Avira Free Antivirus – Now includes protection cloud technology Built upon the same award-winning technology found in our premium products, Avira Free Antivirus helps keep your PC malware-free while protecting your privacy. Lightweight and powerful, Avira Free Antivirus offers Real-Time malware detection, privacy tools and safety ratings for your search results.
Comodo Antivirus is the free way to rid your computer of viruses, malware, Trojans, worms, hackers, and other Internet threats. Scan any drive or file. Get in-depth reports on viral activity. Detect suspicious files that behave like viruses do. Even scan compressed .zip files, where viruses often hide. Comodo Antivirus is the intelligent virus defense system that offers multiple layers of hi-tech protection against known and unknown threats.
Bitdefender Antivirus Plus builds on the best antivirus technology for Windows to silently stop e-threats, secure online transactions, and defend your privacy on social networks.
Removes viruses, spyware, rootkits and fake antivirus AND works along your existing antivirus. Sophos know all about viruses and they’re a pain. They can slow down your computer or try to steal your data and you might not even know you’ve got one. Even if you already have antivirus installed on your computer you can install our tool to find and clean up infections your antivirus might have missed.
[alert-announce]You might also want to take a look at our complete list with: The best Antivirus Solutions (including all the non-free options)[/alert-announce]