Jotti's malware scan - A free service that lets you scan suspicious files with several antivirus programs.

About Jotti's malware scan : You scan suspicious files with several antivirus programs. You can submit up to 5 files at the same time. There is a 250MB limit per file. Please be aware that no security solution offers 100% protection, not even when it uses several antivirus engines and all files are shared with antivirus companies, so detection accuracy of their antivirus products can be improved.