ClamWin

Homepage: http://clamwin.sourceforge.net/
Supports: clamscan, freshclam
ClamWin provides Graphical User Interface to Clam AntiVirus scanning engine. It allows to select and scan a folder or file, configure settings and update virus databases. It also includes a Windows Taskbar tray icon. ClamWin also features a context menu handler for Windows Explorer which installs Scan into the right-click explorer menu for files and folders. The package comes with an installer built with InnoSetup. Cygwin dlls are included.