This is one stubborn bugger.
Download the Microsoft Malicious removal tool from
HERE.
Download and install Ewido
http://www.ewido.net/en/download/
Double-click the Ewido icon on your desktop to run it.
On the top of the main screen click Shield. Click the word active to change it to inactive.
On the top of the main screen click 'Update'. Then click on 'Start update'. The update will start and a progress bar will show the updates being installed.
If you are having problems with the updater, you can get the manual update at
http://download.ewido.net/ewido-signatures-full-current.exe
When you have finished updating, exit Ewido.
You might want to copy and paste these instructions into a notepad file. Then you can have the file open in safe mode, so you can follow the instructions easier.
Turn off system restore.(XP/ME only) See how here.>
http://www.bleepingcomputer.com/forums/tutorial56.html
Boot into safe mode, under your normal user name(NOT THE ADMINISTRATOR ACCOUNT). See how here.>
http://www.bleepingcomputer.com/forums/tutorial61.html
In Windows Explorer, turn on "Show all files and folders, including hidden and system". See how here.>
http://www.bleepingcomputer.com/forums/tutorial62.html
Open your task manager, by holding down the ctrl and alt keys and pressing the delete key.
Click on the processes tab and end process for(if there).
ntsystem.exe
winstall.exe
Close task manager.
Run HJT with no other programmes open(except notepad). Click the scan button. Have HJT fix the following, by placing a tick in the little box next to(if there).
O4 - HKLM\..\Run: [gwiz] C:\WINDOWS\system32\ntsystem.exe
O4 - HKCU\..\Run: [Windows installer] C:\winstall.exe
Click the fix checked button.
Close HJT.
Make sure all windows are closed. Run Ewido.
Click 'Scanner'. Then click 'Complete System Scan' to begin scanning.
When the scan is complete click 'Recommended Action' and change it to 'Quarantine'.
Then click 'Apply all actions'.
Once finished, click the 'Save report' button. Then click 'Save Report As' and save it to your desktop.
Run the Microsoft malicious removal tool.
Locate and delete the following
bold files and/or directories(if there).
C:\
winstall.exe
C:\WINDOWS\system32\
ntsystem.exe
Reboot into normal mode, turn system restore back on and rehide your protected OS files.
Post the Ewido report and a fresh HJT log as attachments.
Regards Howard
