Ad Aware and Avast-Free Antivirus

Ad Aware and Avast-Free Antivirus

AVG Internet Security

Avira AntiVir 10 R

Bit Defender Online Full Virus Scan

Emsisoft Anti-Malware

ESET Online scanner

Housecall Trend Micro

Immunet Protect Review  Cloud-based Anti Virus Software

Individual precaution when opening emails coming from friends

Kaspersky Internet Security 2013 Version

Making extra precaution of installing up to date anti-virus

Microsoft Security Essentials

Microsoft Windows Malicious Software Removal Tool for Windows Vista, Windows XP, Windows 2000 and Windows Server 2003.

Panda Active Scan

Perform daily scans

Sophos Threat Detection

Superantispyware

ThreatSense Scanning Technology

Use a firewall