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ClamAV (antivirus) is a free software, cross-platform antimalware toolkit able to detect many types of malware, including viruses. It was developed for Unix and has third party versions available for AIX, BSD, HP-UX, Linux, macOS, OpenVMS, OSF (Tru64), Solaris and Haiku. As of version 0.97.5, ClamAV builds and runs on Microsoft Windows.
Many antivirus products use "third-party antivirus engine". This means that the antivirus engine is made by another producer; however, the malware signature and/or other parts of the product may (or may not) be done from the owner of the product itself.
AV-Comparatives is an Austrian independent organization that tests and assesses antivirus software, regularly releasing charts and reports that are freely available to the public and the media. [1] [2] Antivirus vendors have to meet various requirements regarding trustworthiness and reliability in order to take part in the tests. [citation needed]
Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows.It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7.
For example, in 2009, ClamWin Free Antivirus failed to detect almost half of the trojan horses, password stealers, and other malware in AV-TEST's "zoo" of malware samples. In the 1–21 June 2008 test performed by Virus.gr, ClamWin Free Antivirus version 0.93 detected 54.68% of all threats and ranked 37th out of 49 products tested, with the ...
Anti-virus software can cause problems during the installation of an operating system upgrade, e.g. when upgrading to a newer version of Windows "in place"—without erasing the previous version of Windows. Microsoft recommends that anti-virus software be disabled to avoid conflicts with the upgrade installation process.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Anti-virus software Norton AntiVirus Developer(s) Gen Digital Initial release December 1990 ; 34 years ago (1990-12) Stable release Windows: 22.21.10.40 (November 1, 2021 ; 3 years ago (2021-11-01)) [±] Operating system Microsoft Windows (Windows 95 and later), macOS, Linux Platform x86 ...
The well-known and highly regarded Ars Technica lists Kaspersky as one of the best choices for Anti-Virus on the Windows platform. [16] Kaspersky Anti-Virus was "A-listed" by the UK PC journal PC Pro in late 2007, where it scored very highly for detection and removal of malware. [17]