ClamAV is a free, open source virus scanner. It is also cross-platform, with Unix, Linux, Windows versions available.

http://www.clamav.net - The ClamAV home page. This is where you can get ClamAV news, and links to the Unix/Linux versions.

http://www.clamwin.net. This is the ClamWin home page, where you can get information and downlaods for the Windows GUI port of ClamAV.

http://www.sosdg.org/clamav-win32/ - This is the home page for the Win32 CLI version. This version is very easy to configure for use with VirProt (for Mercury32) and VirScan (for PegasusMail).

Here are a couple virus name databases so you can compare the names used by various AV vendors:
http://www.nfllab.com/projects/cvnr
http://viruspool.vanderkooij.org/virus.cms


6 pages link to ClamAV:
 . Page Name .   . Last Modified . 
 ClamWall   April 20, 2006 5:10 pm 
 Mercury32   June 28, 2006 8:39 am 
 PegasusMail   May 19, 2006 4:48 pm 
 VirProt   May 9, 2006 1:36 pm 
 VirusProtection   May 9, 2006 1:36 pm 
 VirusScanningPolicy   May 2, 2006 4:38 am