I tested Avira AntiVir 8 last night (the free version) and it blocked (quarantined) 5 out 5 pieces of malware. Perfection! 3 pieces of malware were detected via Avira’s signature engine and 2 others were blocked via the Avira heuristics engine (very nice for a free app btw). 
Here are facts:
- 5 Malicious URL’s tested.
- 5 Malicious URL’s were prevented from infecting the host computer
- Internet Explorer was used.
- PC was clean
- Avira AntiVir Free version 8 was used
- Signature DB was updated minutes before test
- Heuristics were set to high
Watch the prevention review below:
httpv://www.youtube.com/watch?v=0_eDef2r5is
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Heuristics is set to High or Medium?
Forget my first answer…
Can you try with Heuristics set to Medium?
Yeah, heuristics was set to high during the testing.
Yes it stopped the URLs, but any intermediate user doesn’t just go to random URLs for the hell of it. It didn’t block the rogue, that upsets me, I use Avira. I think I might just download MBAM to back it up.
@blind – If I had more time…sorry man I’m booked with reviews.
yea like you said, they have to earn some money too. If the free version would catch everything there would be no reason to buy the paid edition.
@Dave – Correct. Users do not go to random URL’s…they get redirected to them while browsing porn sites or myspace
If the free version is that good it means that Premium version with anti-spy, anti-adware and web-guard protection is the perfect AV, well almost perfect only God is perfect ,then it worth to pay for premium version i think.
Yea…Avira rocks!It has just been declared the best antivirus of 2008 by av-comparatives
http://www.av-comparatives.org/seiten/ergebnisse/summary2008.pdf