A-Squared Free
A-Squared Free
http://www.emsisoft.com/en/software/free/
Active Security Monitor
Aol internet security central provides the most comprehensive set of free online safety tools available, including mcafee virusscan plus -- special edition from aol, powerful parental controls, aol computer checkup and more.
http://safety.aol.com/isc/ActiveSecurity/
Avast
Download avast! antivirus software a complete virus protection with anti-spyware technology offering full desktop security including a resident shield. it is available as a free trial for 60 days. daily automatic updates ensure continuous data protection against all types of malware and spyware.
http://www.avast.com/
Avg Antivirus
Avg Antivirus
http://free.grisoft.com/doc/1
Bitdefender (online)
Bitdefender online scanner is a free on-demand virus scanner which incorporates the award-winning bitdefender scanning engines.
http://www.bitdefender.com/scan8/ie.html
Clamwin
Looking for free open source antivirus for windows? download clamwin free antivirus and get free virus scanning and free virus definition updates.
http://www.clamwin.com/
Free Av
Download free antivirus protection - avira antivir personal official website.
http://www.free-av.com/