For more information, go to Microsoft Support Lifecycle. If an infection is found, the tool will display a status report the next time that you start your computer.

Note In compliance with the Microsoft Support Lifecycle policy, MSRT is no longer supported on Windows Vista and older platforms. After the download, this tool runs one time to check your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps remove any infection that is found. It also includes information for the administrators and advanced users, including information about supported command-line switches. This article contains information about how the tool differs from an antivirus or antimalware product, how you can download and run the tool, what happens when the tool finds malware, and tool release information.

For comprehensive malware detection and removal, consider using Microsoft Safety Scanner. Use this tool to find and remove specific prevalent threats and reverse the changes they have made ( see covered threats). Microsoft generally releases MSRT monthly as part of Windows Update or as the standalone tool. Windows Malicious Software Removal Tool (MSRT) 5.99 helps remove malicious software from computers running Windows11, Windows 10, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, or Windows Server 2008.

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