Metascan release notes

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