GFI VIPRE Antivirus 2012
GFI VIPRE Antivirus 2012 can keep a clean system clean, but in malware removal testing it bombed against rootkits.
Same authors created Duqu, Stuxnet malware?
Security experts have dug deeper into the Duqu Trojan and discovered a scary shared characteristic between the newly discovered piece of malware and last year's infamous Stuxnet worm, supporting the theory that the same authors are behind both.
Avira Free Antivirus 2012
Avira Free Antivirus 2012 scored quite well in PCMag's malware cleanup and blocking tests, though rootkits gave it some trouble in both cases. If you're looking for free protection it's definitely worth a look.
Webroot SecureAnywhere Antivirus
Webroot SecureAnywhere Antivirus's minuscule local client communicates with a gigantic cloud database to provide excellent protection against malware attack, and it also does a very good job cleaning up existing malware infestations.
Five free tools to keep your Windows PC running malware-free
You know you have to stay on top of those insidious malware threats, but what's the most effective (and affordable) solution? Here are some solid options.