Scan Files For Malware Online With Virus Total

If you have got a file in your computer and think that can be a virus and you do not have any antivirus installed or your antivirus is not updated or you are in cyber cafe and want to scan that file before sending in pen drive what is the way.
Virus Total can help you to do it online without downloading and installing any program. File size limit is 20MB. You can send your file for scanning overs SSL.
If you think a URL can be a suspicious attack you can scan URL for any suspicious activity.

Virus total is a service analyzes suspicious files and URLs and quick detects virus, worms, Trojans and all kind of malware.
Virus Total is available as FireFox add-on also. This add-on will scan any files before downloading them.