
VirusTotal
VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware. You can upload files up to 150 MB in size.
Malwr is a free malware analysis service and community where you can submit files and receive the results of a complete dynamic analysis back.
Malwr is a free malware analysis service and community launched in January 2011. You can submit files to it and receive the results of a complete dynamic analysis back.
antivirus virus-scanner