Analyse suspicious files, domains, IPs and URLs to detect malware and other breaches, automatically share them with the security community.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Oct 25, 2023 · The best way to check your PC for viruses is to run a manual virus scan of your system with Microsoft Defender, Malwarebytes, or another antivirus program. You can also press …

Upload any file, URL, IP, or hash for scanning and online malware analysis. Detect ransomware with 20+ antivirus engines, inspect files with the Adaptive Sandbox, and neutralize threats with Deep CDR.

Download our free virus scanner and removal tool. Check your files for viruses and protect your device with the click of a button.

Avast’s virus scanner finds and removes viruses faster, more thoroughly, and more accurately than ever before. Get the world’s largest threat-detection network and machine-learning malware protection in …

With just one click, launch a rapid, comprehensive scan that detects a wide range of threats. Whether you suspect an infection or simply want to perform a routine check, this tool delivers immediate, …

Free scan to see if your Windows or Mac get infected. Detect and remove viruses, malware, spyware, and other malicious threats.

F‑Secure Online Scanner finds and removes viruses, malware and spyware on your Windows PC. Run a virus scan for free!