ClamWin is a Free Antivirus for Microsoft Win2K, WinXP, Server 2003, Win98, WinME
It provides a graphical user interface to the Clam AntiVirus engine.
ClamWin Free Antivirus uses the GNU General Public License by the Free Software Foundation and is free (as in freedom) software. ClamWin Free Antivirus comes with an easy installer and open source code. You may download and use it absolutely free of charge.
Features
Scanning Scheduler;
Automatic Virus Database Updates. ClamAV team updates Virus Databases
on a regular basis and almost immediately after a new virus/variant is out
Standalone Virus Scanner;
Context Menu Integration to Microsoft Windows Explorer;
Addin to Microsoft Outlook.
Please note that ClamWin Free Antivirus does not include an on-access real-time scanner, that is, you need to manually scan a file in order to detect a virus. Microsoft Outlook Addin and POP3 Proxy (coming soon), however will delete a virus-infected attachment automatically.
More Information: ClamWin Antivirus
http://www.clamwin.com/Portable ClamWin on a USB or Removable Drive
http://www.clamwin.com/content/view/118/89/ClamWin Free Antivirus updates
Latest ClamAV™ stable release is: 0.91.2
Total number of signatures: 153503
ClamAV Virus Databases:
main.cvd ver. 44 released on 20 Jul 2007 18:01 +0200
daily.cvd ver. 4309 released on 17 Sep 2007 11:06 +0000
http://www.clamav.net/