Please check new websites and scan any downloaded files before you install new software. VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.

VirusTotal is a website, originally developed by Hispasec, that provides free checking of files for viruses. It uses 55 different antivirus products and 61 online scan engines^[2][3] to check for viruses that the user’s own antivirus solution may have missed, or to verify against any false positives.^[4] Files up to 128 MB can be uploaded to the website or sent via email ~ Wikipedia