ClamWin is a graphical front-end to the ClamAV anti-virus software that runs on Microsoft Windows. An easy to use installer program is provided. Standalone virus scanner. Scanning of programs that are loaded in memory. Automatic notifications of new ClamWin releases. Please note that ClamWin 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.