Rapicomp

kaspersky antivirus update:
http://www.download.com/Kaspersky-Anti-Virus-Definition-Complete-Update/3000-2239_4-10059428.html

norton antivirus update:
http://download.chip.eu/en/Norton-AntiVirus-Definition-Update-i32-31.07.2006_62895.html

mcafee antivirus update:
http://www.softpedia.com/get/Others/Signatures-Updates/McAfee-Virus-Definitions.shtml