[noop]

VirusTotal is a great online tool to scan single files against multiple antivirus programs.

http://www.virustotal.com/

Quote

VirusTotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines.

Specs:

• Free, independent service
• Use of multiple antivirus engines
• Real-time automatic updates of virus signatures
• Detailed results from each antivirus engine
• Real time global statistics

This is a list of the companies that participate in VirusTotal with their antivirus engines.

• AhnLab (V3)
• Antiy Labs (Antiy-AVL)
• Aladdin (eSafe)
• ALWIL (Avast! Antivirus)
• Authentium (Command Antivirus)
• AVG Technologies (AVG)
• Avira (AntiVir)
• Cat Computer Services (Quick Heal)
• ClamAV (ClamAV)
• Comodo (Comodo)
• CA Inc. (Vet)
• Doctor Web, Ltd. (DrWeb)
• Emsi Software GmbH (a-squared)
• Eset Software (ESET NOD32)
• Fortinet (Fortinet)
• FRISK Software (F-Prot)
• F-Secure (F-Secure)
• G DATA Software (GData)
• Hacksoft (The Hacker)
• Hauri (ViRobot)
• Ikarus Software (Ikarus)
• INCA Internet (nProtect)
• K7 Computing (K7AntiVirus)
• Kaspersky Lab (AVP)
• McAfee (VirusScan)
• Microsoft (Malware Protection)
• Norman (Norman Antivirus)
• Panda Security (Panda Platinum)
• PC Tools (PCTools)
• Prevx (Prevx1)
• Rising Antivirus (Rising)
• Secure Computing (SecureWeb)
• BitDefender GmbH (BitDefender)
• Sophos (SAV)
• Sunbelt Software (Antivirus)
• Symantec (Norton Antivirus)
• VirusBlokAda (VBA32)
• Trend Micro (TrendMicro)
• VirusBuster (VirusBuster)

[Pirate07]

I still use virustotal from time to time. Very good online tool. The only down fall is the file cannot be over 20mb.

[noop]

I think they increased the limit. I uploaded a 23MB file earlier this week if I recall.