360 antivirus free

Agax is an expandable free Mac antivirus program.

Run a full system scan with the Symantec antivirus product To remove threat

Free eScan AntiVirus Toolkit to scan your PC of virus and other threats

Portable antivirus software, built to remove certain variant of virus.

Free online antivirus to combat viruses, spyware and other Internet threats

Free Antivirus for Mac OS X. Real-time protection for virus, worms and spyware.

A front end Gui for the excelent F-Prot Antivirus for DOS.

ClamWin Portable is the popular ClamWin antivirus packaged as a portable app.