Do you ever run this? It is updated monthly but since there is not an icon
for it I don’t think most people run it. Just click on the start orb and type
MRT and hit enter.
for it I don’t think most people run it. Just click on the start orb and type
MRT and hit enter.
| What is the Malicious Software Removal Tool? In early 2005, Microsoft started releasing a software product called the Microsoft Malicious Software Removal Tool. Its a monthly update released on the second Tuesday of each month (Patch Tuesday) to help scan user's computers and remove viruses and malware. MRT uses a signature database they update on a monthly basis. Because this database does not have virus signatures and patterns for EVERY virus in the wild, its meant to just help prevent the infection and spread of the most prevalent issues. For this reason, you should still run antivirus software on your computer even though the Malicious Software Removal Tool is being run on your computer. Normally, this removal tool is downloaded via Windows Update and runs silently in the background to check for infections on the computer. It runs a quickscan for the worst infections, but what if you would like to use the removal tool to run a more thorough scan of your computer. We'll show you how to manually start the MSRT and how to run a thorough scan for problems. |
How to Run the Malicious
Software Removal Tool Manually
Follow the steps below to open
MSRT and change the default settings.
1) Click on Start, Run
2) Type
MRT and Press Enter
3) You'll be presented with the following screen, click
on the Next button
4) Normally, the removal
tool runs the Quick Scan, but for more thorough results, choose FULL SCAN and
click Next
5) Now the Malicious
Software Removal Tool will scan your entire hard drive for infections and
problems.
6) Once the scan is completed,
you should see the following screen if your computer is free of infection.
7) If you click on the View
Detailed Results of the Scan option on the Results page you should see which
viruses, worms, and trojans the removal tool scanned for
and if an infection was found.
8) Click Finish on the Scan
Results page to exit the Microsoft Malicious Software Removal Tool
Log File
Results
Whether you manually run the removal tool or it runs
automatically when downloaded from Windows Updates, you may want to view the
scan results log to see what it scanned for and what it found. The log file
(mrt.log) will be found in the Windows\Debug folder. If you are running Windows XP or Windows Vista, this file is probably located
at
c:\windows\debug\mrt.log
Follow the instructions below to
open it.
1) Click on Start, Run
2) Type the following and Press
Enter
notepad
c:\windows\debug\mrt.log
3) The
log file will open in Windows Notepad. Each scan will log its results in the
file. If you had an infected file, you will see something like the following in
the log file.
Microsoft Windows Malicious Software Removal Tool
v1.33, September 2007
Started On Sat Sep 15 21:41:52 2007
Extended
Scan Results
----------------
->Scan ERROR: resource
file://C:\pagefile.sys (code 0x00000020 (32))
Found virus:
Backdoor:Win32/Nuwar.B!ini in file://C:\Documents and
Settings\Mark\spooldr.ini
Found virus: Backdoor:Win32/Nuwar.B!ini in
file://C:\Documents and Settings\Mark\Desktop\Virus Info\spooldr.ini
Found
virus: Trojan:Win32/Tibs.DC in file://C:\System Volume
Information\_restore{3C8729AD-DC07-4E82-8FC5-363FFE9EB86D}\RP14\A0020913.exe
4)
Click on the X in the upper right corner to close Notepad
More
Information
For more information on the Microsoft Malicious
Software Removal Tool visit
their help page or click on the following link to go to the home page for the removal tool
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