: Use your built-in Microsoft Defender for an offline scan, or download the Malwarebytes Free Scanner for a high-confidence second opinion.

: This can prevent information-stealing malware from sending your data back to a remote server.

: A similar service that uses multiple engines to scan for ransomware and other threats.

How to start a scan for viruses or malware in Microsoft Defender

: Upload the file (up to 650MB) to have it analyzed by over 70 different antivirus engines simultaneously.