Being a post-infection removal tool, the Malicious Software Removal Tool can detect malicious software on Windows 7, but is not a replacement for an antivirus program.
The tool file is located at C:\Windows\System32\mrt.exe. Its scan log is located at: C:\Windows\Debug\mrt.log and event log is located at: C:\Windows\Debug\mrteng.log.
You can click the start menu --> type the mrt.exe in the box --> Press Enter to run it.
When the Malicious Software Removal Tool window opened, Click the Next button. Then choose a type of scan: Quick scan, Full scan, Customized scan.
After click the Next button, it will start a scan. As scan finished, a scan results will be created.
How to Run the "Windows Malicious Software Removal Tool" in the Command Prompt:
type mrt.exe /F:Y - scan full scan, but automatically clean infected files.
type mrt.exe /F - force fullscan.
type mrt.exe /N - detect-only mode
type mrt.exe /? or mrt.exe /? - help displys usage information
type mrt.exe /Q or mrt.exe /quiet - quiet mod; if set, no UI is shown
Notes: you need to install Windows Update KB890830 first.
