March 7, 2008

How to remove Trojan Trafbrush ?

Trojan.Trafbrush removal tips...

1.Disable System Restore (Windows Me/XP).

2. Update the virus definitions.

3.Backup your system registry.

4.Restart your system in safe mode.

5. Run a full system scan.

6. Delete these values and registry subkeys added to the registry.

* HKEY_CLASSES_ROOT\Brushy.brush.1

* HKEY_CLASSES_ROOT\Brushy.brush

* HKEY_CLASSES_ROOT\CLSID\{E157D62A-D8A4-45DF-8E9B-C33D93821BDF}

* HKEY_CLASSES_ROOT\TypeLib\{F54A0656-1D23-4FC1-883E-E68E4CD29566}

* HKEY_CLASSES_ROOT\Interface\{5A1F62AE-0E47-4547-8E5C-AC73FE58C9AE}

* HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E157D62A-D8A4-45DF-8E9B-C33D93821BDF

* HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS]\"ImagePath" = "%System%\drivers\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS].sys"

* HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS]\"ImagePath" = "%System%\drivers\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS].sys"

* HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations\"SUCCESS" = "%UserProfile%\Local Settings\Temp\v22.exe"

Stop all services created by this Trojan.

1. Click Start > Run.
2. Type services.msc, and then click OK.
3. Locate and select the service that was detected.

[ * HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS]\"ImagePath" = "%System%\drivers\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS].sys"

* HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS]\"ImagePath" = "%System%\drivers\[SIX RANDOM LETTERS][TWO RANDOM NUMBERS].sys"]


4. Click Action > Properties.
5. Click Stop.
6. Change Startup Type to Manual.
7. Click OK and close the Services window.
8. Restart the computer.


Source: Symantec

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