Virus Information
Total Defence
Global Security Advisory
Virus Tools & Online Scanners
Microsoft Safety Scanner
Symantec
Security Response - Virus Removal Tools
Symantec
Online Security CheckĀ
Trend
Micro Online Scanner
Free Anti Virus Programs
My all time favorite free antivirus has to be Microsoft Security Essentials.
Microsoft Security Essentials
MalwareBytes
Avast
Antivirus Home Edition
AVG
Free
Avira
Antivir Personal
Anti Virus Trial Software
Nod32 Antivirus 30 day Trial