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96, running a definition update, scanning a file and identifying a Trojan from the command-line. ClamAV includes a number of utilities: a command-line scanner, automatic database updater and a scalable multi-threaded daemon, running on an anti-virus engine from a shared library. The application also features a Milter interface for sendmail and on-demand scanning. The ClamAV virus database is updated at least every four hours and as of 10 February 2017 contained over 5,760,000 virus signatures with the daily update Virus DB number at 23040. Out of the 25 million samples tested, ClamAV scored 76.
12 out of 19, a higher rating than some much more established competitors. In the 2008 AV-Test, which compared ClamAV to other antivirus software, it rated: on-demand: very poor, false positives: poor, on-access: poor, response time: very good, rootkits: very poor. The ClamAV engine can be reliably used to detect several kinds of files. In particular, some phishing emails can be detected using antivirus techniques.
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However, false positive rates are inherently higher than those of traditional malware detection. ClamAV Unofficial Signatures are mainly used by system administrators to filter email messages. Detections of these groups should be scored, rather than causing an outright block of the “infected” message. ClamAV is available for Linux and BSD-based operating systems. In most cases it is available through the distribution’s repositories for installation. On Linux and BSD desktops ClamAV provides on-demand scanning of individual files, directories or the whole PC. It is used within the operating system’s email service.
Another program which uses the ClamAV engine, on macOS, is Counteragent. ClamAV for OpenVMS is available for DEC Alpha and Itanium platforms. The build process is simple and provides basic functionality, including: library, clamscan utility, clamd daemon and freshclam for update. ClamAV for Windows is now a part of the Immunet client produced by Cisco.
Immunet is a real-time cloud based detection software, maintained by Cisco, which owns both ClamAV and Immunet. The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via Internet. GUIs for the application for various platforms and uses. There is also an update and scanning scheduler through a cron job facilitated by the graphical interface. Tiger Cache Cleaner is shareware software which installs and presents a graphic interface for using ClamAV to scan for viruses, and provides other unrelated functions. Explorer, and an add-in for Microsoft Outlook.
In 2008, Barracuda Networks was sued by Trend Micro for its distribution of ClamAV as part of a security package. Archived from the original on 2007-12-15. Archived from the original on 2008-12-25. Archived from the original on 2010-08-21. Archived from the original on 15 July 2011.
Archived from the original on 2012-12-20. Clam Sentinel – Free Realtime Antivirus”. Trend Micro patent claim provokes FOSS community, leads to boycott”. Barracuda bites back at Trend Micro in ClamAV patent lawsuit”.