From Microsoft Corp.
The Microsoft Windows Malicious Software Removal Tool checks Windows Vista, Windows XP, Windows 2000, and Windows Server 2003 computers for and helps remove infections by specific, prevalent malicious softwareincluding Blaster, Sasser, and Mydoom. When the detection and removal process is complete, the tool displays a report describing the outcome, including which, if any, malicious software was detected and removed. The tool creates a log file named mrt.log in the %WINDIR%debug folder.
To download the x64 version of Malicious Software Removal Tool, click here.
This tool is not a replacement for an anti-virus product. To help protect your computer, you should use an anti-virus product.
Microsoft will release an updated version of this tool on the second Tuesday of each month. New versions will be made available through this web page, Windows Update, and the Malicious Software Removal Tool Web site on Microsoft.com.
To have the newest versions automatically delivered and installed as soon as they are released, set the Automatic Updates feature to Automatic. The version of this tool delivered by Windows Update runs on your computer once a month, in the background. If an infection is found, the tool will display a status report the next time you start your