You need to have the administrator level privileges to run the tool. To run the tool, just double-click on this file. The filename is in the form of Windows-KB890830-圆4-V5.9.exe. The download is in form of an executables. Because this file is updated every month, so you should always download a new file. You can download the malicious software removal tool from the web site at. 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. Microsoft releases a new version of the tool every month containing definitions to remove newer malware. The Microsoft malicious software removal tool checks computers running Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, and Windows Server 2003 for infections by specific, prevalent malicious software - including Blaster, Sasser, and Mydoom - and helps remove any infection found.
I tried using SysInternals AutoRuns and looking at the Scheduled Tasks but was not able to find where it was being started.Because Windows operating system has been the main target of the malware (malicious software), Microsoft released a tool called Malicious Software Removal Tool in order to help the Windows users get rid of a huge range of the malware families.
So it is definitely installed and being run daily.
The update KB890830 is not installed on this computer.Īccording to the C:\Windows\debug\mrt.log, C:\Windows\System32\MRT.exe is being run daily during the "Automatic Maintenance" window defined in the Action Center section of the control panel. We also tried running wusa.exe /uninstall /KB:890830 but it returned the error: We've had issues with MRT in the past and want to remove it, but now the script has declined the update and we cannot find anything under the View installed updates section to remove it. We have a script that declines KB890830 updates for our on-premise Windows Update Server, but we recently found someone approved one of the monthly updates before the script could run and the Malicious Software Removal Tool (MRT) was installed on all of our servers.
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