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.

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

Download our free virus removal tool to scan & use our virus checker. Virus protection for Android, PC, iOS, and Mac devices.

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

Get a free one-time online virus scan, or a free 30-day trial with unlimited virus scans from ESET. Our online virus scanner will help you identify and remove malware.

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

Aug 30, 2025 · These free virus scan and removal tools are useful if your current antivirus misses something or if malware prevents it from running. Below are our favorite options, many of which don't …

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

Oct 21, 2025 · Learn how to run antivirus scans efficiently with TotalAV, Surfshark, and Norton, including quick, full, and custom scans for Windows, Mac, and Android.