Here’s an *almost complete* list of anti virus softwares available for S60 mobile phones:

NetQin
Kaspersky Mobile
Symantec Mobile Security
Mobile Disinfector
AntiCommwarrior
AntiCabir
McAfee
Simworks antivirus
Avira.GmbH.AntiVir.Mobile
BitDefender Mobile Antivirus
F-Secure Mobile Anti-Virus
Fonoinfo Commander Mobile Anti-Virus v3.00
S-MOBILE VirusGuard “formerly” FB-4 VirusGuard
Trend Micro Mobile Security