Virustotal, an online virus scanning service operated by Google, is a handy resource to verify that files are clean before you execute them on your devices.
All it takes is to visit the Virustotal website, drop a file on the interface from the local system, and wait for the scan results to be displayed after the scan.
The service is ideal to get a quick overview of a file's reputation. Results are not 100% trustworthy especially if some engines report hits while others don't; the likelihood of false positives is higher on Virustotal than with any one antivirus engine that you check files against.
Virustotal maintains an email scanning service next to the Web version and the APIs that it provides. You send emails with a file attachment to the service and get a report soon thereafter as a reply.
Here is how that works:
The email is returned by the recipient's email address ([email protected]) and uses the subject [VirusTotal] Server notification.
It lists file information -- name, size, md5 and sha1 hashes -- and results of all supported engines. Each engine is listed with its name, version, and last update date.
Email scanning is quite handy at times, e.g. when you are on a mobile and want a file scanned, cannot access the VirusTotal website, or want multiple files scanned in a short period of time.
Third-party applications like Winja VirusTotal Uploader or
The system has several limitations, however:
It is better, usually, to use Virustotal directly or through a program as you don't run into any of the limitations that way. Sometimes however, email scanning may come in handy.
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