You can upload a file from your hard disk or even email the file to scan as an attachment. Following are to use this service using Email :
The sending process is as follows:
- Create a new message with scan@virustotal.com as the destination address.
- If you wish to receive the results as plain text, write SCAN in the subject field. If you wish to receive an XML attachment with the results, write SCAN+XML in the subject field.
- Attach the file to be scanned. Such file must not exceed 20 MB in size. If the attached file is larger, the system will reject it automatically.
Or, Use the browser addons for Firefox or Chrome http://www.virustotal.com/advanced.html#browser-addons