Metascan release notes

V 4.2.5

Release date: 4/14/2026

• Upgrade Bitdefender Windows SDK to 3.0.1.392

  • Minor bug fixes

• Engine update for Aurora - Linux

• Engine update for Aurora - Windows

V 4.2.4

Release date: 4/9/2026

• Upgrade ClamAV Linux SDK to 1.4.4

  • Resolved multiple issues in ClamAV

• Upgrade ClamAV Windows SDK to 1.4.4

  • Resolved multiple issues in ClamAV

• Upgrade ClamAV Linux updater

• Upgrade ClamAV Windows updater

• engine update for Avira - Windows

  • fix for immediate config change

• engine update for Avira - Linux

  • fix for immediate config change

• Upgrade Gridinsoft Windows SDK to 1.0.242

• Upgrade Gridinsoft Windows updater

V 4.2.3

Release date: 3/24/2026

• Engine update for OPSWAT Predictive Alin AI - Linux

  • FileType info provision fix

• Engine update for OPSWAT Predictive Alin AI - Windows

  • FileType info provision fix

• Engine update for OPSWAT Predictive Alin AI - Linux

  • FileType info provision fix

• Upgrade OPSWAT Predictive Alin AI Linux updater

• Upgrade OPSWAT Predictive Alin AI Windows updater

• Upgrade OPSWAT Predictive Alin AI Cloud Linux updater

• Engine update for SentinelOne - Windows

  • New config option - Process archive files

• Engine update for SentinelOne - Linux

  • New config option - Process archive files

• Upgrade Xvirus Anti-Malware Linux SDK to 5.1.1

  • Fixed different detection cases with Linux variant

• Upgrade Xvirus Anti-Malware Windows SDK to 5.1.1

  • Fixed different detection cases with Linux variant

• Upgrade Xvirus Anti-Malware Linux updater

• Upgrade Xvirus Anti-Malware Windows updater

V 4.2.2

Release date: 3/13/2026

• Upgrade Gridinsoft Windows SDK to 1.0.238

• Upgrade Gridinsoft Windows updater

• Upgrade Microsoft Defender Windows updater

V 4.2.1

Release date: 3/9/2026

• Upgrade IKARUS Windows SDK to 6.4.23

• Upgrade IKARUS Linux SDK to 6.4.23

• Upgrade Vir.IT ML Windows SDK to 9.5.102

  • Improvements on the heuristic engines for detecting MSIL & AutoIT malware

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.102

  • Improvements on the heuristic engines for detecting MSIL & AutoIT malware

• Upgrade Avira Windows SDK to 4.15.29

  • Brings new improvements and security updates, further enhancing its stability and performance

• Upgrade Avira Linux SDK to 4.15.29

  • Brings new improvements and security updates, further enhancing its stability and performance

• Upgrade ESET Windows SDK to 1.5.5.0

• Upgrade ESET Linux SDK to 1.5.5.0

• Upgrade Trellix Windows SDK to 6800

  • Decomposition support for Virtual Hard Disk (VHD) files

  • Repair enhancements for infected Excel spreadsheet

  • DAT Memory Protection feature for ENS Windows

  • Quality improvements and malware threat enhancement

• Upgrade Trellix Linux SDK to 6800

  • Decomposition support for Virtual Hard Disk (VHD) files

  • Repair enhancements for infected Excel spreadsheet

  • DAT Memory Protection feature for ENS Windows

  • Quality improvements and malware threat enhancement

• Upgrade IKARUS Windows updater

• Upgrade IKARUS Linux updater

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

• Upgrade ESET Windows updater

• Upgrade ESET Linux updater

V 4.2.0

Release date: 2/4/2026

• Upgrade SentinelOne Windows SDK to 26.1

  • Improved detection of PE, ELF, MACH-O, DotNet, PDF, DOC files

  • Added support for ISO, MSI and MSIX files

• Upgrade SentinelOne Linux SDK to 26.1

  • Improved detection of PE, ELF, MACH-O, DotNet, PDF, DOC files

  • Added support for ISO, MSI and MSIX files

V 4.1.19

Release date: 1/21/2026

• Upgrade Systweak Windows SDK to 1.0.0.2-2147

• Upgrade Gridinsoft Windows SDK to 1.0.234-470

• Upgrade Gridinsoft Windows updater

V 4.1.18

Release date: 12/18/2025

• Upgrade BKAV Pro Windows SDK to 8.2.39-602

  • Improved malware detection rate and reduced false positives

• Upgrade AhnLab Windows SDK to 3.29.1.1-2455

• Upgrade AhnLab Linux SDK to 3.29.1.1-2414

• Upgrade IKARUS Windows SDK to 6.4.20-2363

• Upgrade IKARUS Linux SDK to 6.4.20-2252

• Upgrade ClamAV Linux SDK to 1.4.3-2653

• Upgrade ESET Windows SDK to 1.5.4.0-2268

• Upgrade ESET Linux SDK to 1.5.4.0-2282

• Upgrade Bitdefender Windows SDK to 3.0.1.371-2289

• Upgrade Bitdefender Linux SDK to 3.0.1.342-2179

• Upgrade ESET Windows updater

• Upgrade ESET Linux updater

V 4.1.17

Release date: 11/24/2025

• Upgrade Vir.IT ML Windows SDK to 9.5.100-2207

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.100-2354

  • Improved heuristic engines to detect LNK and MSIL Malware

V 4.1.16

Release date: 11/24/2025

• Upgrade NETGATE Windows SDK to 25.0.650.0-1982

• Upgrade Sophos Windows SDK to 4.23-3.96.1-2179

• Upgrade Sophos Linux SDK to 4.23-3.96.1-2089

• Upgrade Avira Windows SDK to 4.15.28-2389

• Upgrade Avira Linux SDK to 4.15.28-2348

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

V 4.1.15

Release date: 11/11/2025

• Upgrade Webroot Windows SDK to 1.6.2-2015

• Upgrade Webroot Linux SDK to 1.6.2-1980

• Upgrade Sophos Windows SDK to 4.23-3.95.1-2170

• Upgrade Sophos Linux SDK to 4.23-3.95.1-2076

V 4.1.14

Release date: 11/05/2025

• Upgrade TACHYON Linux SDK to 20251029-2033

• Upgrade ClamAV Windows SDK to 1.4.3-2553

• Upgrade ClamAV Linux SDK to 1.4.3-2619

V 4.1.13

Release date: 10/20/2025

• Upgrade Sophos Windows SDK to 4.23-3.95.1-2159

• Upgrade Sophos Linux SDK to 4.23-3.95.1-2068

• Upgrade Trellix Windows updater

• Upgrade Trellix Linux updater

• Upgrade Xcitium Windows updater

• Upgrade Xcitium Linux updater

• Upgrade Aurora Windows updater

• Upgrade Aurora Linux updater

V 4.1.12

Release date: 10/09/2025

• Upgrade Bkav Pro Windows SDK to 8.2.38-568

• Upgrade Bkav Pro Windows updater

• New Enhancements and Bug Fixes for Bkav Pro:

  • Increased the malware detection rate

  • Decreased the false positive rate

  • Added the SDK for detecting Polymorphic virus

  • Fixed the crash bug when scanning some PE files

  • Added an SDK for malware detection based on code analysis and heuristics

  • Fixed the stability issue when multi-threaded scanning polymorphic malware files

V 4.1.11

Release date: 10/02/2025

• Upgrade XVirus Windows SDK to 5.0-1905

• Upgrade XVirus Linux SDK to 5.0-564

• Upgrade XVirus Linux updater

• Upgrade XVirus Windows updater

• New configuration options for Xvirus:

  • Signatures based scan

  • Heuristics aggressive level 1-5 scans

  • MaxHeuristicsPeSscanLength

  • MaxHeuristicsOtherSscanLength

• McAfee engine has been renamed to Trellix

• Comodo engine has been renamed to Xcitium

• Cylance engine has been renamed to Aurora

V 4.1.10

Release date: 09/15/2025

• Upgrade Webroot Windows SDK to 1.6.1-1973

• Upgrade Webroot Linux SDK to 1.6.1-1941

• Upgrade Gridinsoft Windows SDK to 1.0.209-393

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.97-2318

• Upgrade Vir.IT ML Windows SDK to 9.5.97-2169

• Upgrade Scrutiny Windows SDK to 3.2.4-1425

• Upgrade Webroot Linux updater

• Upgrade Webroot Windows updater

• Upgrade Gridinsoft Windows updater

• Resolved a security vulnerability in the Webroot engine

V 4.1.9

Release date: 08/29/2025

• Upgrade Comodo Windows SDK to 6.5.0.1206-2390

• Upgrade SentinelOne Windows SDK to 25.3-92

• Upgrade SentinelOne Linux SDK to 25.3-83

• Upgrade TACHYON Windows SDK to 20241014-2232

• Upgrade Avira Windows SDK to 4.15.27-2341

• Upgrade Avira Linux SDK to 4.15.27-2314

• Upgrade Comodo Windows updater

• Improved detection of PE and ELF files, enhanced runtime performance, and fixed crashes caused by specific malformed ZIP files in the SentinelOne engine

• Improvements and security updates, further enhancing its stability and performance in the Avira engine

V 4.1.8

Release date: 07/28/2025

• New Config Option in Sophos (Windows & Linux) Max Recursion Depth

V 4.1.7

Release date: 07/14/2025

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.96-2299

• Upgrade Vir.IT ML Windows SDK to 9.5.96-2151

• Upgrade AhnLab Windows SDK to 3.27.2.4-2383

• Upgrade AhnLab Linux SDK to 3.27.2.4-2358

• Upgrade Avira Windows SDK to 4.15.26-2318

• Upgrade Avira Linux SDK to 4.15.26-2281

• Upgrade Ikarus Windows SDK to 6.4.12-2283

• Upgrade Ikarus Linux SDK to 6.4.12-2193

• Upgrade Ikarus Linux updater

• Upgrade Ikarus Windows updater

• Upgrade Avira Linux updater

• Upgrade Avira Windows updater

V 4.1.6

Release date: 07/3/2025

• Set default temp directory to OPSWAT's temp dir for Emsisoft - Windows

V 4.1.5

Release date: 06/23/2025

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.94-2286

• Upgrade Vir.IT ML Windows SDK to 9.5.94-2140

• Upgrade Varist Windows SDK to 6.6.2-2254

• Upgrade Varist Linux SDK to 6.6.2-2219

• Upgrade ESET Windows SDK to 1.4.2.0-2186

• Upgrade ESET Linux SDK to 1.4.2.0-2178

• Upgrade ClamAV Windows SDK to 1.4.3-2460

• Upgrade ClamAV Linux SDK to 1.4.3-2545

• Upgrade ClamAV Linux updater

• Upgrade ClamAV Windows updater

• Resolved a security vulnerability in the ClamAV engine

V 4.1.4

Release date: 06/12/2025

• Upgrade ESET Windows SDK to 1.4.2-2178

• Upgrade ESET Linux SDK to 1.4.2-2172

• Upgrade Filseclab Windows SDK to 1.0.2.2132-2078

• Upgrade Bkav Pro Windows SDK to 8.2.31-503

• Upgrade ESET Linux updater

• Upgrade ESET Windows updater

• Fix the issue where Bkav Pro fails to detect malicious files in SFX installers

• Fix the issue where Filseclab caused a system shutdown bug

V 4.1.3

Release date: 06/02/2025

• Upgrade ClamAV Windows SDK to 1.4.2-2439

• Upgrade ClamAV Linux SDK to 1.4.2-2525

• Customers can now configure the Avira engine to treat PUP/PUA detections as infected or not

• Fix ClamAV Windows when MDCore’s temp directory is set to a RAMDISK

V4.1.2

Release date: 04/25/2025

• Upgrade ClamAV Windows SDK to 1.4.2-2411

• Upgrade ClamAV Linux SDK to 1.4.2-2516

• Upgrade Comodo Windows SDK to 6.5.0.1195-2316

• Upgrade AhnLab Windows SDK to 3.27.1.1-2344

• Upgrade AhnLab Linux SDK to 3.27.1.1-2330

• Upgrade Avira Windows SDK to 4.15.25-2248

• Upgrade Avira Linux SDK to 4.15.25-2248

• Upgrade Bitdefender Windows SDK to 3.0.1.306-2159

• Upgrade Bitdefender Linux SDK to 3.0.1.297-2093

• Upgrade BKAV Pro Windows SDK to 8.2.30-477

• Upgrade CMC Windows SDK to 2.3.5-389

• Upgrade CrowdStrike Windows SDK to 1.10.1-1945

• Upgrade CrowdStrike Linux SDK to 1.10.1-1669

• Upgrade Cylance Windows SDK to 1.2.1-587

• Upgrade Cylance Linux SDK to 1.2.0-629

• Upgrade Emsisoft Windows SDK to 2021.05.7597-2036

• Upgrade Eset Windows SDK to 1.0.0-2127

• Upgrade Eset Linux SDK to 1.0.0-2126

• Upgrade Filseclab Windows SDK to 1.0.2.2123-2030

• Upgrade Gridinsoft Windows SDK to 1.0.209-329

• Upgrade Huorong Windows SDK to 1.0.0-1835

• Upgrade Ikarus Windows SDK to 6.3.23-2230

• Upgrade K7 Windows SDK to 4.0.0.7-2280

• Upgrade K7 Linux SDK to 4.0.0.7-2354

• Upgrade Lionic Windows SDK to 8.23-1876

• Upgrade Lionic Linux SDK to 8.23-1676

• Upgrade McAfee Windows SDK to 6700-2144

• Upgrade McAfee Linux SDK to 6700-2098

• Upgrade Microsoft Defender Windows SDK to 1.0.0

• Upgrade NANO AV Windows SDK to 1.0.146.25796-1980

• Upgrade NETGATE Windows SDK to 25.0.650.0-1865

• Upgrade QuickHeal Windows SDK to 18.0-2086

• Upgrade QuickHeal Linux SDK to 18.0-2049

• Upgrade RocketCyber Windows SDK to 02_01___2025-1915

• Upgrade RocketCyber Linux SDK to 09_07 _2024-363

• Upgrade Scrutiny Windows SDK to 3.2.4-1336

• Upgrade Sophos Windows SDK to 4.21-3.93.1-2035

• Upgrade Sophos Linux SDK to 4.21-3.93.1-1979

• Upgrade Systweak Windows SDK to 1.0.0.2-1980

• Upgrade TACHYON Windows SDK to 20240927-1965

• Upgrade Varist Windows SDK to 6.6.1-2210

• Upgrade Varist Linux SDK to 6.6.1-2189

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.81-2262

• Upgrade Vir.IT ML Windows SDK to 9.5.81-2113

• Upgrade VirusBlockAda Windows SDK to 5.3.2-1970

• Upgrade Webroot Windows SDK to 1.4.114-1876

• Upgrade XVirus Windows SDK to 4.2.3-1778

• Upgrade Zillya Windows SDK to 1.2.0.11-2029

• Upgrade Antiy Windows SDK to 3.0.3.1-2063

• Upgrade ClamAV Linux updater

• Fix the issue in VirusBlockAda where PDFs are incorrectly flagged as suspicious

• Fix ClamAV integration issue to ensure compatibility with Debian 9

• The BKAV Pro SDK update has improved malware detection, reduced false positives, and enhanced scanning of packaged files

V4.1.1

Release date: 03/05/2025

• Upgrade ClamAV Windows SDK to 1.4.2-2385

• Upgrade ClamAV Linux SDK to 1.4.2-2475

• Upgrade AhnLab Windows SDK to 3.27.1.1-2322

• Upgrade AhnLab Linux SDK to 3.27.1.1-2312

• Upgrade K7 Windows SDK to 4.0.0.7-2257

• Upgrade K7 Linux SDK to 4.0.0.7-2335

• Upgrade RocketCyber Windows SDK to 02___01_2025-1897

• Upgrade RocketCyber Linux SDK to 09_07_2024-349

• Upgrade Avira Windows SDK to 4.15.25-2224

• Upgrade Avira Linux SDK to 4.15.25-2234

• Upgrade Sophos Windows SDK to 4.21-3.93.1-2014

• Upgrade Sophos Linux SDK to 4.21-3.93.1-1965

• Upgrade Gridinsoft Windows SDK to 1.0.209-308

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.81-2244

• Upgrade Vir.IT ML Windows SDK to 9.5.81-2090

• Upgrade ClamAV Windows updater

• Upgrade ClamAV Linux updater

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

• Upgrade Gridinsoft Windows updater

V4.0.98

Release date: 02/28/2025

• The Tachyon license has been updated

V4.0.97

Release date: 02/03/2025

• Upgrade AhnLab Windows SDK to 3.27.0.8-2308

• Upgrade Bitdefender Windows SDK to 3.0.1.306-2122

• Upgrade CMC Windows SDK to 2.3.5-353

• Upgrade Emsisoft Windows SDK to 2021.05.7597-2001

• Upgrade ESET Windows SDK to 1.0.0-2093

• Upgrade Huorong Windows SDK to 1.0.0-1800

• Upgrade K7 Windows SDK to 4.0.0.6-2240

• Upgrade McAfee Windows SDK to 6700-2106

• Upgrade QuickHeal Windows SDK to 18.0-2046

• Upgrade Sophos Windows SDK to 4.20-3.92.0-1996

• Upgrade TACHYON Windows SDK to 2020.4.22.1-2115

• Upgrade Varist Windows SDK to 6.6.1-2178

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.80-2229

• Upgrade Vir.IT ML Windows SDK to 9.5.80-2075

• Upgrade VirusBlockAda Windows SDK to 5.3.1-1932

• Upgrade Zillya! Windows SDK to 1.2.0.11-1992

• Upgrade BKAV Pro Windows SDK to 8.2.25-422

• Upgrade Gridinsoft Windows SDK to 1.0.203-281

• Upgrade Gridinsoft Windows updater

• Resolved an issue where the Zillya! engine was locking files after a scan

• Resolved an issue where BKAV Pro engine crashed with certain files

• Added support for scanning Office file formats in BKAV Pro engine

• Improved malware detection rate in BKAV Pro engine

• Reduced false positive rate in BKAV Pro engine

• Resolved an issue with multi-thread scanning in Vir.IT engine

V4.0.96

Release date: 01/16/2025

• Upgrade Scrutiny Windows SDK to 3.2.4-1278

• Upgrade Scrutiny Windows updater

V4.0.95

Release date: 12/18/2024

• Reverted the VirusBlokada SDK engine update to address and resolve the false positive detection issue in PDF files

V4.0.94

Release date: 12/16/2024

• Upgrade XVirus Windows SDK to 4.2.3-1717

• Upgrade XVirus Linux SDK to 4.2.3-354

• Upgrade Ikarus Windows SDK to 6.3.23-2165

• Upgrade Ikarus Linux SDK to 6.3.23-2110

• Upgrade Ikarus Widnows updater

• Upgrade Ikarus Linux updater

• Upgrade Comodo Windows SDK to 6.5.0.1195-2241

• Upgrade Vir.it eXplorer Windows SDK to 9.5.76-2194

• Upgrade Vir.it ML Windows SDK to 9.5.76-2037

• Performance Improvement in XVirus for Windows and Linux

• Added a new heuristic engine in Vir.IT to detect AutoIT malware and LNK files

• Added new functions to heuristic engines in Vir.IT for detecting MSIL malwares

V4.0.93

Release date: 11/28/2024

• Upgrade K7 Linux SDK to 4.0.0.5-2276

• Upgrade K7 Windows SDK to 4.0.0.5-2195

• Upgrade VirusBlokAda Windows SDK to 5.0.0-1888

• Upgrade VirusBlokAda Widnows updater

• Resolved a vulnerability in the K7 engine

• Add preflight script to check OS version for K7 engine (CentOS 7 is not supported anymore)

V4.0.92

Release date: 11/20/2024

• Upgrade Xvirus Linux SDK to 4.2.2-341

• Upgrade Systweak Windows SDK to 1.0.0.2-1785

• Upgrade Systweak Windows updater

• Upgrade Ahnlab Linux SDK to 3.26.1.4-2253

• Upgrade Ahnlab Windows SDK to 3.26.1.4-2261

• Upgrade BKAV Pro Windows SDK to 8.2.23-379

• Upgrade Avira Windows SDK to 4.15.23-2168

• Upgrade RocketCyber Linux updater

• Upgrade RocketCyber Windows updater

• Upgrade Lionic Linux SDK to 8.23-1600

• Upgrade Lionic Windows SDK to 8.23-1793

V4.0.91

Release date: 11/18/2024

• Upgrade Filseclab windows SDK to 1.0.2.2123-1948

• Upgrade Filseclab Windows updater

• Switched the Filseclab engine process to 64-bit for enhanced performance

• Disabled the QProcess timeout in Filseclab to improve stability

V4.0.90

Release date: 10/22/2024

• Upgrade Cylance Linux SDK to 1.2.0-539

• Upgrade Cylance Windows SDK to 1.2.1-484

• Upgrade RocketCyber Linux SDK to 22_05_2024-262

• Upgrade RocketCyber Windows SDK to 12_02_2021-1818

• Upgrade Webroot SMD Linux SDK to 1.4.114-1767

• Upgrade Webroot SMD Windows SDK to 1.4.114-1770

• Upgrade Avira Linux SDK to 4.15.23-2163

• Upgrade Avira Windows SDK to 4.15.23-2147

• Upgrade TACHYON Linux SDK to 20240927-1880

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

• Add a UI option to the Cylance engine to configure the malware detection threshold

• Resolve the issue causing the TACHYON engine to crash on certain files

V4.0.89

Release date: 10/15/2024

• Upgrade CMC Windows updater

• Upgrade CMC Linux updater

• Upgrade BKAV Pro Windows updater

• Upgrade Cylance Windows updater

• Upgrade Cylance Linux updater

• Upgrade Emsisoft Windows updater

• Upgrade ESET Windows updater

• Upgrade Lionic Windows updater

• Upgrade Lionic Linux updater

• Upgrade NANOAV Windows updater

• Upgrade NANOAV Linux updater

• Upgrade NETGATE Windows updater

• Upgrade Systweak Windows updater

• Upgrade Webroot SMD Windows updater

• Upgrade Webroot SMD Linux updater

V4.0.88

Release date: 10/14/2024

• Upgrade Gridinsoft Windows SDK to 1.0.187-191

• Upgrade Bkav Pro Windows SDK to 8.2.22-323

• Upgrade Varist Windows SDK to 6.6.1-2103

• Upgrade Varist Linux SDK to 6.6.1-2095

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.72-2148

• Upgrade Vir.IT ML Windows SDK to 9.5.72-1989

• Upgrade ClamAV Windows SDK to 1.4.1-2297

• Upgrade ClamAV Linux SDK to 1.4.1-2392

• Varist updates include multiple new features and bug fixes:

  • Fixed memory corruption issue

  • Resolved endless loop in DOS malware scans

  • Improved URL detection and recovery for Office malware

  • Enhanced encrypted password feature for archive scanning

  • Improved scan speed and stability across various formats

• Improved BKAV engine for better malware detection and fewer false positives

• Enabled support for image fuzzy hashing in ClamAV

V4.0.87

Release date: 09/12/2024

• Upgrade Cylance Windows SDK to 1.2.1-437

• Upgrade Cylance Linux SDK to 1.2.0-474

• Fixed false positive verdicts when scanning unsupported files with Cylance

V4.0.86

Release date: 09/04/2024

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.66

• Upgrade Vir.IT ML Windows SDK to 9.5.66

• Upgrade CMC Windows SDK to 2.3.5

• Upgrade CMC Linux SDK to 2.3.5

• Upgrade CMC Windows updater

• Upgrade CMC Linux updater

• Updated the Vir.IT engine to patch the vulnerabilities

• Disable scan by cloud option by default on CMC engine

V4.0.85

Release date: 09/02/2024

• Updated the Vir.IT engine to patch the vulnerabilities

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.65

• Upgrade Vir.IT ML Windows SDK to 9.5.65

V4.0.84

Release date: 08/20/2024

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.64

• Upgrade Vir.IT ML Windows SDK to 9.5.64

• Upgrade K7 Windows SDK to 4.0.0.3

• Upgrade Avira Windows SDK to 4.15.22

• Upgrade Avira Linux SDK to 4.15.22

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

• Upgrade AhnLab Windows SDK to 3.26.0.5

• Upgrade AhnLab Linux SDK to 3.26.0.5

• Improved Windows Vir.IT eXplorer scan speed for EML files

• Prevent Windows K7 extracting files to system temp directory

V4.0.83

Release date: 08/13/2024

• Upgrade Gridinsoft SDK to 1.0.183

• Improve Antiy's scan speed

• Fix Comodo failure when repeating scan a file

V4.0.82

Release date: 07/23/2024

• Improve encrypted files recognition in Cylance

V4.0.81

Release date: 07/18/2024

• Comodo new configurations on Windows and Linux:

  • Max scanned script size - Text files larger than the threshold won't be scanned

V4.0.80

Release date: 07/15/2024

• Upgrade Cylance Windows SDK to 1.2.1

• Upgrade Cylance Linux SDK to 1.2.0

• Upgrade Lionic Windows SDK to 8.17-1658

• Upgrade Lionic Linux SDK to 8.17-1499

• Improve archive handling in Cylance

V4.0.79

Release date: 07/09/2024

• New scan engine in Windows: Gridinsoft

• Upgrade Sophos Windows SDK to 4.18-3.90.0

• Upgrade Sophos Linux SDK to 4.18-3.90.0

• Upgrade RocketCyber Linux SDK to 22-05-2024

• Upgrade ESET Windows updater

• Upgrade ESET Linux updater

• Upgrade Avira Windows updater

• Upgrade Avira Linux updater

V4.0.78

Release date: 07/04/2024

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.61

• Upgrade Vir.IT ML Windows SDK to 9.5.61

• Upgrade Bkav Windows SDK to 8.2.21

V4.0.77

Release date: 06/21/2024

• Upgrade K7 Windows updater

• Upgrade K7 Linux updater

• Upgrade McAfee Windows updater

• Upgrade McAfee Linux updater

• Upgrade VirusBlokAda Windows updater

• Upgrade Varist Windows updater

• Upgrade Varist Linux updater

V4.0.76

Release date: 06/18/2024

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.59

• Upgrade Vir.IT ML Linux SDK to 9.5.59

V4.0.75

Release date: 06/12/2024

• Upgrade CrowdStrike Falcon ML Windows SDK to 1.10.1

• Upgrade CrowdStrike Falcon ML Linux SDK to 1.10.1

• Upgrade Cylance Linux SDK to 1.2.0

V4.0.74

Release date: 04/24/2024

• Upgrade Avira Windows SDK to 4.15.21.77

• Upgrade Avira Linux SDK to 4.15.21.77

• Performance Improvement in Comodo for Windows

V4.0.73

Release date: 04/18/2024

• Upgrade NANOAV Windows SDK to 1.0.146.90815

• Upgrade NETGATE Windows SDK to 25.0.650.0

• Upgrade Vir.IT eXplorer Windows SDK to 9.5.0.68

• Upgrade Vir.IT ML Windows SDK to 9.5.0.68

• Upgrade Bitdefender Windows SDK to 3.0.1.306

• Upgrade Bitdefender Windows updater

• Upgrade Bitdefender Linux updater

• Temporary folder config in AhnLab - Linux

• Temporary folder config in AhnLab - Windows

V4.0.72

Release date: 03/26/2024

• Upgrade QuickHeal Windows SDK to 18.0

• Upgrade IKARUS Windows SDK to 6.03.11

• Upgrade IKARUS Linux SDK to 6.03.11

• Upgrade Avira Windows SDK to 4.15.20.156

• Upgrade Avira Linux SDK to 4.15.20.156

• Upgrade Anhlab Windows SDK to 3.25.1.4.34589

• Upgrade Anhlab Linux SDK to 3.25.1.4.34589

• Upgrade Vir.IT Windows SDK to 9.5.0.59

• Upgrade Vir.IT Linux SDK to 9.5.0.59

• Upgrade CMC Windows updater

V4.0.71

Release date: 03/06/2024

• New scan engine in Linux: CMC

• Upgrade IKARUS Windows SDK to 6.03.07

• Upgrade IKARUS Linux SDK to 6.03.07

• Upgrade Sophos Windows SDK to 4.17-3.0090

• Upgrade Sophos Linux SDK to 4.17-3.0090

• Upgrade TACHYON Windows updater

• Upgrade TACHYON Linux updater

V4.0.70

Release date: 02/06/2024

• Upgrade AhnLab Windows SDK to 3.25.0.6.34367

• Upgrade AhnLab Linux SDK to 3.25.0.6.34367

• Upgrade Cylance Windows SDK to 1.1.2

• Upgrade BKAV Windows SDK to 8.2.20

• Upgrade McAfee Windows SDK to 6700

• Upgrade McAfee Linux SDK to 6700

V4.0.69

Release date: 01/22/2024

• New scan engine in Windows: BKAV

V4.0.68

Release date: 01/18/2024

• Resolved issue where log rotation failure on Windows ClamAV

• Resolved issue where log rotation failure on Windows Cylance

• Resolved issue where log rotation failure on Windows Filseclab

• Set log level during scanner initialization on Linux Bitdefender

• Set log level during scanner initialization on Windows Bitdefender

• Set log level during scanner initialization on Windows Filseclab

• The Metadefender MetaScan MAX package for both Windows and Linux has been updated to remove Kaspersky

• The Metadefender MetaScan 20 Windows package update replaces Kaspersky with Xvirus and Antiy, with Lionic

V4.0.67

Release date: 01/16/2024

• The Aegislab engine has been renamed to Lionic

• Upgrade Lionic Windows SDK to 8.7

• Upgrade Lionic Linux SDK to 8.7

V4.0.66

Release date: 01/04/2024

• Upgrade Clamav Windows SDK to 0.103.11

• Upgrade Clamav Linux SDK to 0.103.11

• Upgrade Sophos Windows SDK to 4.17-3.89.0

• Upgrade Sophos Linux SDK to 4.17-3.89.0

• XVirus new configurations on Windows and Linux:

  • EnableHeuristics - Enables heuristics scanning of files. Default: true

  • MaxScanLength - Maximum file size to be scanned in bytes. If set “null” then there is no limit. Default: null

V4.0.65

Release date: 12/18/2023

• Upgrade Vir.IT to 9.5.43

• Upgrade RocketCyber 03_11_2023

• Upgrade Kaspersky to 8.10.1.1311

• Fix Cylance, Vir.IT to return not scanned for password protected archives

• Improve integration to avoid DLL hijack

V4.0.64

Release date: 12/7/2023

• New scan engine in Windows: CMC

  • Upgrade CMC Windows SDK to 2.3.1

V4.0.63

Release date: 12/4/2023

• Upgrade Cylance Windows SDK to 1.1.0

• Upgrade Cylance Linux SDK to 1.1.0

• Make archive scanning depth configurable in Cylance for Windows and Linux

V4.0.62

Release date: 11/20/2023

• New scan engine in Linux: RocketCyber

V4.0.61

Release date: 11/13/2023

• Upgrade IKARUS Winnows SDK to 6.2.7

• Upgrade IKARUS Linux SDK to 6.2.7

• A bug fix has been released for the IKARUS Windows SDK

V4.0.60

Release date: 10/23/2023

• Upgrade Avira Windows SDK to 4.15.19

• Upgrade Avira Linux SDK to 4.15.19

V4.0.59

Release date: 10/19/2023

• Increased the maximum number of concurrency to the Cylance engine

• Introduced a timeout feature for the Cylance SDK requests

V4.0.58

Release date: 10/9/2023

• Enhance the script for Windows Defender

V4.0.57

Release date: 9/25/2023

• Enhance the script for Windows Defender

V4.0.56

Release date: 9/7/2023

• Introduction of Linux Max Package

  • It includes 19 engines (AhnLab, Avira, Bitdefender, ClamAV, Eset, QuickHeal, K7 Security, Tachyon, Varist, Ikarus, Kaspersky, McAfee, Nano, Sophos, Webroot, CrowdStrike, AegisLab, Cylance, and XVirus)

• New scan engine in Linux: Xvirus

• New scan engine in Linux and Windows: Cylance

• Update Avira Linux SDK to 4.15.17

• Update Avira Windows SDK to 4.15.17

V4.0.55

Release date: 9/6/2023

• Update Sophos Linux SDK to 4.16.3.88

• Update Sophos Windows SDK to 4.16.3.88

• New config “Scan all file types” added to Sophos (Linux) and Sophos (Windows)

V4.0.54

Release date: 8/29/2023

• Update Xvirus SDK to 4.2

V4.0.53

Release date: 8/23/2023

• Updated VirIT ML SDK to 9.5.34

• Updated VirIT eXplorer SDK to 9.5.34

V4.0.52

Release date: 8/9/2023

• Improved the speed of ClamAV

V4.0.51

Release date: 6/28/2023

• Updated VirIT ML SDK to 9.5.27

• Updated VirIT eXplorer SDK to 9.5.27

V4.0.50

Release date: 6/22/2023

• Fixed the issue where engines fail to scan .dat and .ink files

V4.0.49

Release date: 6/19/2023

• Updated Ahnlab SDK to 3.23.3.2

• Updated IKARUS SDK to 6.1.10

V4.0.48

Release date: 5/22/2023

• The Cyren engine has been renamed to Varist

V4.0.47

Release date: 5/22/2023

• All Windows Docker updaters have been updated

• Fixed an issue reported by customer when Avira returned Failed to scan result to a sample file

V4.0.46

Release date: 4/26/2023

• Fixed an issue that caused K7 Windows to permanently fail on some environments

V4.0.45

Release date: 4/20/2023

• Updated ClamAV to 0.103.8 to increase performance

V4.0.44

Release date: 3/29/2023

• Updated Adaware CLI that caused the engine to fail initializing

V4.0.43

Release date: 3/23/2023

• Upgrade IKARUS SDK to 6.1.6

• Upgrade Vir.IT SDK to 9.5.25

• Upgrade Avira SDK to 4.15.15

V4.0.42

Release date: 3/22/2023

• Updated the TACHYON updater utility to patch vulnerabilities in their 3rd parties

V4.0.41

Release date: 3/20/2023

• Added description to all engine configurations

V4.0.40

Release date: 3/7/2023

• Fixed an issue where ClamAV Linux had a missing dependency

V4.0.39

Release date: 3/1/2023

• Fixed an issue, where Huorong updater did not generate databases

v4.0.38

Release date: 3/1/2023

• Upgrade AhnLab SDK to 3.23.1.2

• Upgrade Sophos SDK to 4.15-3.87.0

• Upgrade CrowdStrike SDK to 1.8.1

• Fixed an issue where AhnLab may not initialize on specific systems

• Fixed an issue with Systweak update generation

v4.0.37

Release date: 2/21/2023

• Updated ClamAV SDK to 1.0.1 to resolve vulnerabilities

v4.0.36

Release date: 2/16/2023

• Updated XVirus SDK to 4.1

v4.0.35

Release date 1/9/2023

• Updated McAfee SDK to 6600

• Fixed Avira issue that caused previous release to fail permanently when updating

v4.0.34

Release date 12/6/2022

• Upgrade Bitdefender to 3.0.1.297

• Upgrade ClamAV Windows to 0.103.7-2

• Significantly improved the multi-thread speed of Sophos Windows

• Fixed an issue where Avira did not detect infected files in nested archives

v4.0.33

Release date 11/21/2022

• Upgrade XVirus Engine

v4.0.32

Release date 10/27/2022

• Upgrade Vir.IT SDK to 9.5.22

v4.0.31

Release date 10/20/2022

• Upgrade Cyren SDK to 6.5.5

v4.0.30

Release date 10/10/2022

• Upgrade Bitdefender Windows SDK to version 3.0.1.289

• Upgrade IKARUS SDK to 6.0.28

• Upgrade Sophos SDK to 4.14-3.86.1

• Introduced Max File Size configuration in CrowdStrike

v4.0.29

Release date 9/12/2022

• Upgrade ClamAV SDK to version 0.103.7

• Improve K7 detection

v4.0.28

Release date 7/28/2022

• Upgrade Avira SDK to version 4.15.10

• Upgrade IKARUS SDK to version 6.0.26

• Upgrade McAfee SDK to version 6500

• Upgrade Cyren SDK to version 6.5.4

v4.0.27

Release date 7/4/2022

• Upgrade K7 SDK to version 4.0.0.2

v4.0.26

Release date 6/9/2022

• Fix wrong definition date in K7 Linux

v4.0.25

Release date 6/1/2022

• Upgrade Avira to version 4.15.8

• Upgrade Vir.IT SDK to version 9.5.18

v4.0.24

Release date 5/26/2022

• Lavasoft will be renamed to Adaware on 6/1

• Upgrade ClamAV SDK to version 0.103.6

v4.0.23

Release date 5/23/2022

• Upgrade AhnLab to version 3.21.0

• Upgrade Avira to version 4.15.7

v4.0.22

Release date 5/9/2022

• Upgrade Scrutiny to version 3.2.4

• Upgrade Sophos to version 3.85.1

• Upgrade Vir.IT to version 9.5.11

v4.0.21

Release date 5/2/2022

• Upgrade TACHYON Linux to version 20220408

• Upgrade Vir.IT to version 9.5.14

• Ensure all engines return "No Thread Found" for 0 byte files

v4.0.20

Release date: 4/19/2022

• Upgrade IKARUS to version 6.0.13

• Upgrade Vir.IT to version 9.5.13

• Upgrade ClamAV Linux to version 0.103.5

v4.0.19

Release date: 4/13/2022

• Update K7 SDK to version 4.0

• Update Bitdefender Windows to version 3.0.1.285

• Update Avira to version 4.15.5

v4.0.18

Release date 3/29/2022

• Update Avira SDK to version 4.15.3

• Updated IKARUS SDK to version 6.0.5

• Updated Vir.IT SDK to version 9.5.12

v4.0.17

Release date: 3/14/2022

• Update Scrutiny SDK to version 3.2.3

v4.0.16

Release date: 2/28/2022

• Updated Systweak SDK to 2.3.1001.26067

• Updated Sophos Windows SDK to 3.84.1

v4.0.15

Release date: 2/16/2022

• Upgrade Vir.IT SDK to 9.5.11

• Return default threat name for Scrutiny

• Fix Symantec Malformed container detection

v4.0.14

Release date: 2/9/2022

• Upgrade Avira SDK to 4.15.2

• New ESET version that doesn't need to change temp folder on the hardened Linux OS

• Increased memory utilization capabilities of the 32 bit engines

• Fixed an issue that could potentially cause ClamAV to hang

• Increased internal timeout for SUPERAntiSpyware that could potentially cause it to fail

v4.0.13

Release date: 2/2/2022

• Upgrade ClamAV SDK to 0.103.5

• Add NETGATE Heuristic scan option

v4.0.12

Release date: 1/31/2022

• Upgrade new engine SDK:

  • McAfee 6400

• Configuration to allow TrendMicro/TrendMicro HouseCall to change batch scan wait time

• Improve ClamAV stability

v4.0.11

Release date: 12/7/2021

• A configuration to adjust confidence level for CrowdStrike Falcon ML, Webroot SMD to resolve false positive issues

• Significant TACHYON (Windows) performance improvement

• Upgrade new engine SDK:

  • IKARUS 5.7.5

  • Vir.IT 9.5.04

  • AegisLab (Linux) 7.7

  • Kaspersky (Windows) 8.9.3.1319

• Kaspersky and Systweak are able to return PUP/PUA scan result

• Add new logging mode configuration: Webroot SMD, AegisLab (Linux), TACHYON (Linux), K7 (Windows)

• Add max archive scan file size configuration for Avira

v4.0.10

Release date: 12/1/2021

• Engine names are changed regarding on this announcement

• Add new logging mode configuration: AhnLab, HAURI, NETGATE

v4.0.9

Release date: 11/24/2021

• Upgrade Cyren SDK to version 6.5.1

• Add new engine configurations:

  • McAfee: Logging mode, detect PUP/PUA

  • VirusBlokAda: Logging mode, detect PUP/PUA, heuristic scan, deep scan, Max archive scan file size,

  • Zillya!: Max recursive extraction, max archive scan file size

v4.0.8

Release date: 11/11/2021

• New scan engine: Scrutiny

• Upgrade Cyren SDK to version 6.5.0

• Upgrade Vir.IT to version 9.5.02

• Add new engine configurations:

  • Comodo, FilsecLab: logging mode

  • CrowdStrike: Max extracted file size, Max number of extracted files

  • TrendMicro / TrendMicro House Call: Extract Archive, Max recursive extraction

  • FilsecLab: Max recursive extraction

v4.0.7

Release date: 11/01/2021

• Upgrade Zillya! SDK to version 1.2.0.11

• Upgrade Sophos SDK to version 3.38.3

• Better handling ClamAV temp files

• Add new configuration for:

  • QuickHeal, Sophos, Tachyon, Kaspersky, NANOAV, IKARUS, Antiy: logging mode

  • Cyren: Heuristic

v4.0.6

Release date: 10/18/2021

• Improve TrendMicro and TrendMicro House Call scan throughput

• Add new configurations for:

  • ESET Linux: Max recursive extraction, logging mode

  • Bitdefender: Max recursive extraction, Max scan size (archive)

  • ClamAV: Recursive match limit (PCRE), Max file size (PCRE), Max recursive extraction, logging mode

  • Avira: logging mode

• Upgrade Avira SDK to version 4.15.1

v4.0.5

Release date: 9/28/2021

• Fix Symantec initialization failed in some specific case.

• Upgrade Crowdstrike Falcon ML SDK to version 1.6

• Improve Lavasoft scan throughput

• Fix Systweak scan issue when input files containing semicolons

v4.0.4

Release date: 9/14/2021

• Upgrade Sophos SDK to version 3.83.2

• Upgrade Vir.IT SDK to version 9.5.01

v4.0.3

Release date: 8/31/2021

• Upgrade Bitdefender SDK to version 3.0.1.280

• Upgrade Vir.IT SDK to version 9.5.00

• Upgrade CrowdStrike Falcon ML SDK to version 1.5

• Fix Kaspersky locked file issue

• Fix TrendMicro, TrendMicro HouseCall slowness issue

v4.0.2

Release date: 8/17/2021

• Symantec can use different port if the port 1344 is being used

• Remove Eicar test file in the NANO AV package

• Improve code for several engines: TrendMicro, TrendMicro HouseCall, VirusBlokAda, Zillya

v4.0.1

Release date: 8/3/2021

• Upgrade Emsisoft SDK to version 2021.05.7597

• Improve code for several engines: RocketCyber, Systweak