VirusTotal is a free virus, malware and URL online scanning service. File checking is done with more than 40 antivirus solutions. Files and URLs can be sent via web interface upload, email, API or making use of VirusTotal's browser extensions and desktop applications.

VirusTotal is a free virus and malware online scan service. Virustotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines. VirusTotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines. VirusTotal is a service that analyzes suspicious files and URLs enabling the identification of viruses, worms, trojans and other kinds of malicious content detected by antivirus engines and web analysis toolbars. Specs: Free, independent service Use of multiple antivirus engines Real-time automatic updates of virus signatures Detailed results from each antivirus engine Real time global statistics. This is a list of the companies that participate in VirusTotal with their antivirus engines. * AhnLab (V3) * Antiy Labs (Antiy-AVL) * Aladdin (eSafe) * ALWIL (Avast! Antivirus) * Authentium (Command Antivirus) * AVG Technologies (AVG) * Avira (AntiVir) * Cat Computer Services (Quick Heal) * ClamAV (ClamAV) * Comodo (Comodo) * CA Inc. (Vet) * Doctor Web, Ltd. (DrWeb) * Emsi Software GmbH (a-squared) * Eset Software (ESET NOD32) * Fortinet (Fortinet) * FRISK Software (F-Prot) * F-Secure (F-Secure) * G DATA Software (GData) * Hacksoft (The Hacker) * Hauri (ViRobot) * Ikarus Software (Ikarus) * INCA Internet (nProtect) * K7 Computing (K7AntiVirus) * Kaspersky Lab (AVP) * McAfee (VirusScan) * Microsoft (Malware Protection) * Norman (Norman Antivirus) * Panda Security (Panda Platinum) * PC Tools (PCTools) * Prevx (Prevx1) * Rising Antivirus (Rising) * Secure Computing (SecureWeb) * BitDefender GmbH (BitDefender) * Sophos (SAV) * Sunbelt Software (Antivirus) * Symantec (Norton Antivirus) * VirusBlokAda (VBA32) * Trend Micro (TrendMicro) * VirusBuster (VirusBuster) Tools * PEiD (PEiD) * pefile (pefile) * TrID (Marco Pontello) * PDFiD (Didier Stevens)