1 - AVG Anti-Virus and Internet Security - AVG.com - 
AVG Antivirus and internet security protection for home and business. Products ranging from maximum protection, to basic antivirus protection available for free download.
http://www.avg.com/ -

2 - Antivirus and Antispyware Software - Kaspersky Lab - 
Shop for award-winning antivirus and antispyware software protection against viruses, spyware, trojans, worms, spam and hacker attacks at the Official Kaspersky Lab site.
http://www.kaspersky.com/ -

3 - CA Anti-Virus 2009 - Comprehensive AntiVirus Software Protection - 
CA Anti-Virus 2009 provides total protection against viruses, worms and Trojan horse programs. Protect your PC today. Buy Now for $39.99.
http://shop.ca.com/virus/antivirus.aspx -

4 - Kaspersky Lab Anti-Virus 7.0 - 
Kaspersky Anti-Virus 7.0 is a fully integrated security solution that provides your computer with the most effective protection.
http://usa.kaspersky.com/products_services/anti-virus.php -

5 - 2383 - 
McAfee offers antivirus and computer security software for home PCs or corporate ... Privacy Policy. Anti-Piracy Policy. Copyright © 2003-2009 McAfee, Inc. All ...
http://www.mcafee.com/ -

6 - Antivirus, Anti-Spam and Internet Security Software - Trend Micro USA - 
... security software and services with focus on outbreak prevention and enabling customers to manage the impact of network worms and virus threats. ...
http://www.antivirus.com/ -

7 - Antivirus software - Wikipedia, the free encyclopedia - 
Antivirus software (alternate spelling anti-virus) mainly prevent and remove ... "Anti-virus protection gets worse". Channel Register. ...
http://en.wikipedia.org/wiki/Anti-virus -

8 - Avast! 4 Home Edition - 
Download for the free version of the Avast! antivirus ... Free virus protection for your home PC. New viruses are being found "in the wild" all the time. ...
http://www.avast.com/eng/free_virus_protectio.html -

9 - 1654 - 
Download avast! antivirus software a complete virus protection with anti-spyware technology offering full desktop security including a resident shield. It is ...
http://www.avast.com/ -

10 - Symantec - 
Symantec provides content and network security software and appliance products including Norton AntiVirus to individuals, enterprises, and service providers.
http://www.norton.com/ -