Microsoft Malware Removal Tool

Microsoft Malware Removal Tool will help you remove a variety of specific and popular malware from infected systems. Because computers may appear to be functioning normally even if they are infected, Microsoft recommends that you run this tool even if your computer appears to be completely normal. In addition to using this tool, you should also use an up-to-date antivirus product to help protect your computer from other malware.
Full name of the software: Microsoft Windows Malicious Software Removal Tool

It checks Windows XP, Windows 2000, and Windows Server 2003 computers for infections with a variety of specific and popular malware (including Blaster, Sasser, and Mydoom) and helps remove the infection. After completing the detection and removal process, the tool will display a report describing the results of its execution, including the malware detected and removed (if any). Additionally, it creates a log file named mrt.log in the %WINDIR%debug folder. Simplified Chinese interface.
Microsoft recommends that all Windows system users download the removal tool to perform a thorough check, even if the computer system appears to be "all fine." However, this tool does not replace the functions of regular antivirus software.