Anti-Virus Software

Free

• AVG Anti-Virus
• Avast!
• Avira AntiVir
• Malwarebytes
• Total AV

Commercial

• Bitdefender
• Eset
• Kaspersky
• McAfee
• Panda
• Sophos
• TrendMicro
• Webroot

Online Scanners

• Panda ActiveScan
• Trend Micro HouseCall
• F-Secure Online Scanner