Apps Engine

The Microsoft Malicious Software Removal Tool is an anti-malware utility that checks computers running Windows 10 Technical Preview, Windows 8 and Windows 8.1, Windows 7, Windows Vista, Windows XP*, Windows Server 2012 R2 and Windows Server 2012, Windows Server 2008, and Windows Server 2003 for infections by specific, prevalent malicious software - including Blaster, Sasser, and Mydoom - and helps remove malware and any other infections found.

When the detection and malware removal process is complete, the tool displays a report describing the outcome, including which, if any, malware was detected and removed.

*The Malicious Software Removal Tool will continue to be provided for Windows XP through July 14, 2015; it will also continue to be delivered automatically via Windows Update and for download via the Download Center.