We have listed quite a number of best free anti-virus software to stop worms, viruses, and other malware. Apart from our list pcworld has a list of such free antivirus you can depend on.
If you are looking for online engine, here is the list of top free online malware and virus scan services, this service uses multiple antivirus engines to scan your file or program.
List of Best 5 Free Antivirus Software tested and listed by pcworld.
1. Avira AntiVir Personal
Avira AntiVir Personal offers great protection, but using it might frustrate some non-techies.
2. Alwil Avast Antivirus Home Edition
Avast Antivirus Home Edition offers solid protection and a good feature set, but it needs an interface makeover.
3. AVG 8.5 Free
AVG 8.5 Free has a good interface and useful Web attack blocking, but its malware blocking is below average.
4. Microsoft Security Essentials Beta
Microsoft Security Essentials will be a solid contender when it emerges from beta around the end of 2009.
5. PC Tools Antivirus Free Edition
PC Tools Antivirus lets far too much malware through to realistically protect any PC.
[via Free Antivirus Software]