VirusTotal is a free website that lets you upload any file to online virus scanner and then scan it for viruses, worms, trojans, and all kinds of malware with 41 different popular antivirus applications. This comes very handy for scanning email attachments or downloads. VirusTotal got better and faster, with instant hash checking, letting you skip uploads altogether in the recent versions.
You can use VirusTotal in three ways.
- Upload the file directly to virustotal.com
- Send email to firstname.lastname@example.org with subject SCAN ; filesize less then 20MB.
- Download and install VirusTotal Uploader which enables you to directly send files from your system using the context menu. You can simply right-click on a file and use the Send To -> VirusTotal option.