ClamWin Free Antivirus for Windows

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
Portable ClamWin on a USB or Removable Drive

End of Life : ClamAV 0.94.x

Latest ClamAV™ stable release is: 0.95.3
Total number of signatures: 655172
ClamAV Virus Databases:
main.cvd ver. 51 released on 14 May 2009 10:28 :0400
daily.cvd ver. 10054 released on 21 Nov 2009 06:50 :0500
http://www.clamav.net/