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.
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
VirusTotal has been awarded by the American edition of PC World Magazine, one of the 100 best products of year 2007 in the Security Web Site category.http://www.virustotal.com/