ClamWin for Windows

ClamWin is a free antivirus program for Microsoft Windows 98/Me/2000/XP/2003, and Vista. ClamWin Free Antivirus includes an easy to use installer and open-source code. It is free to download and use. It includes:

High detection rates of viruses and spyware;Scanning Schema;Automatic downloading of the regularly updated Virus Database;Standalone antivirus scanner and right-click menu integration with Microsoft Windows Explorer; Addin to Microsoft Outlook to automatically remove virus-infected attachments

ClamWin Free Antivirus doesn't include an on-access, real-time scanner. To detect spyware or viruses, you must manually scan the file.