Virustotal is a free web-based virus and spyware scanner that lets you check suspicious files for viruses, worms, trojans, and all kinds of malware. No-registration required.
- Upload and scan files online or send files via email (firstname.lastname@example.org).
- Maximum allowed file size:10 MB.
- Compares target file against 32 antivirus engines incl. Panda Software, Grisoft, F-Secure, McAfee, and Kaspersky.
- Detailed scan results from each antivirus engine.
- Virus Total Uploader: tiny Windows program that enables file upload and online scan right from the desktop.
- Multi-lingual: English, Spanish, Russian, Dutch, French … (over 15 languages).
Check out VirusTotal @ http://www.virustotal.com