Scan your computer for threats easily and effectively. Detect and remove malware on your PC with a powerful and user-friendly tool that uses the same ThreatSense® scanning technology and signatures as ESET Smart Security and ESET NOD32 Antivirus - just by using your web browser. ESET's Free Online Antivirus Scanner features these powerful security benefits for your PC - all free! One-Click Activation, Comprehensive Malware Detection, Always Up-to-Date & In-Depth Scanning.
Virustotal is a service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines.
"Select or drop a file up to 140 MB in size for malware analysis, vulnerability check, and data sanitization (CDR; Content Disarm and Reconstruction)."