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Your Computer Starts Up to a Blue Screen and Keeps Rebooting Itself

Check whether TDSSmhlt.sys is present in the following locations:

If you find TDSSmhlt.sys in any of these locations, your computer is very likely to be infected with the following malware:

  1. To enable deleting the TDSSmhlt.sys file, terminate the associated process in the Task Manager as follows:
    • Right-click in the Windows taskbar (a bar that appears along the bottom of the Windows screen) and select Task Manager on the menu.
    • In the Tasks Manager window, click the Processes tab.
    • On the Processes tab, select TDSSmhlt.sys and click End Process.
  2. Using your file explorer, browse to the file using the paths listed in Location of TDSSmhlt.sys and Associated Malware.
  3. Select the file and press SHIFT+Delete on the keyboard.
  4. Click Yes in the confirm deletion dialog box.

You can delete locked files with the RemoveOnReboot utility. You can install the RemoveOnReboot utility from here.

After you delete a locked file, you need to delete all the references to the file in Windows registry.

To delete a locked file:

  1. Right-click on the file and select Send To -> Remove on Next Reboot on the menu.
  2. Restart your computer.

The file will be deleted on restart.

To remove all registry references to a malware file:

  1. On the Windows Start menu, click Run.
  2. In the Open box, type regedit and click OK. The Registry Editor window opens.
  3. On the Edit menu, select Find.
  4. In the Find dialog box, type FILENAME. The name of the first found registry value referencing TDSSmhlt.sys is highlighted in the right pane of the Registry Editor window.
  5. Right-click the registry value name and select Delete on the menu.
Finally, download and run Malwarebytes and Spybot Search & Destroy to finish the job.

 
 
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Article Information

This usually means you have the malware called TDSS.

Creation Date December 19,2008
Article Tags TDDSSmhlt.sys Error virus Malware rootkit removal
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