

It’s also available when user accesses Windows Update or Microsoft Update. Windows Malicious Software Removal Tool is released and distributed via Automatic Updates, with updated version of the tool is installed on second Tuesday of each month automatically. However, it provides basic ability to remove virus and malicious infectious Trojans when a computer is infected, and no valid antivirus program is installed or expired old definitions unable to detect the harmful code. Windows Malicious Software Removal Tool is not a complete replacement or alternative for a full anti-virus product to safeguard and protect the system. To remove this tool, delete the executable file (msert.exe by default).įor more information about the Safety Scanner, see the support article on how to troubleshoot problems using Safety Scanner.Windows Malicious Software Removal Tool is a free security utility from Microsoft that checks Windows and Windows Server computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps to remove the infection if it is found. For detailed detection results, view the log at %SYSTEMROOT%\debug\msert.log. Review the scan results displayed on screen.


Safety Scanner expires 10 days after being downloaded.

Microsoft Safety Scanner only scans when manually triggered. The security intelligence update version of the Microsoft Safety Scanner matches the version described in this web page. To learn more, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS. Your devices must be updated to support SHA-2 in order to run Safety Scanner. Safety Scanner is exclusively SHA-2 signed.
