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This KB entry contains information about MSRT and provides links to related topics. Information for IT administrators and advanced users (KB890830)įor advanced information, read KB890830 at. It also generates the following log file: The standalone version available on this page is delivered at the same time.Īfter the standalone version of MSRT scans the computer and removes threats, it displays a report that lists the threats. Microsoft generally delivers MSRT with Windows Update the second Tuesday of the month. If you would like to run MSRT on demand, run the standalone version. The integrated version automatically runs in the background. For comprehensive malware detection and removal, consider using Microsoft Safety Scanner.Įnable automatic updates to regularly get MSRT with Windows Update. MSRT targets prevalent malware families only. This tool does not replace full-fledged antimalware such as Windows Defender Antivirus.

To complement your antimalware product.

If you suspect an infection from prevalent malware families ( see covered threats).

Windows Update automatically downloads and runs MSRT in the background.

If you have automatic updates for Windows turned off.

Type the following command to run a scan quietly (without a visual interface) and press Enter: mrt /q Quick tip: Usually, you would only use this option to run the security utility as scheduled task for other computers in the network.

Click the Next button to proceed with scan and automatic cleaning.

Type the following command to do a full scan and automatically clean infected files and press Enter: mrt /f:y.

Click the Next button to proceed with full scan.

Type the following command start a forced scan, and press Enter: mrt /f.

Search for Command Prompt, right-click the top result, and select the Run as administrator option.

To use the Malicious Software Removal Tool with Command Prompt, use these steps:

How to use the Malicious Software Removal Tool with Command promptĪlternatively, you can also use the security tool with commands, but the options available are more limited than the graphical interface. After the scan, the MSRT also creates a long in c:\Windows\Debug\mrt.logįile that includes information about the tool, summary, and return codes. In some cases, the tool may not be able to restore the files to their original state. The tool may be able to clean the infected files, but it is not perfect, and some data loss could happen depending on the infection. If the malicious software modified the browser settings, then you will give directions to restore the original settings (if applicable). In the event that a full scan was used, you will be prompted to remove the infection from those files.

If a threat is found, you will be prompted to run a full scan. Once you complete the steps, the tool will scan the system for malicious software. Source: Windows Central (Image credit: Source: Windows Central)