VirusTotal offers a free service that lets you upload suspicious files and URLs for, where it inspects them and checks for viruses using 70+ third-party antivirus products. VirusTotal isnt running the same AV software as youre running, which can easily lead to a false negative. Cybercriminals are getting smarter. They now create malware that senses when its in the VirusTotal environment, and therefore it. The service also runs command line versions of the AV software it tests with, rather than the. GUI versions, that means depending on the product, they will not behave exactly the. desktop versions”]