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TLD4 Removed but now Windows XP will not logon

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#1 darren allison

darren allison

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Posted 12 January 2011 - 12:11 PM


Sorry I did not come to your site first, I caught TLD4 Malware and used Combofix and TDSSKILLER to remove, they did well but now I have a serious issue with windows. The system now on any mode of boot (Safe Mode with Networking or Normal Logon) fails with the following error and then follows with BSOD. The error messages I receive when I hit CTRL ALT DEL are as follows in order:

1st Authentication Manager Error
A specified authentication package is unknown
2nd Winlogon.exe - Application Error
The Instruction at "0x1001caf2" referenced memory at "0x000500ac" The memory could not be "read"
3rd BSOD
STOP: c000021a {Fatal System Error}
The windows logon process system process terminated....
0xc0000005 (0x00000000 0x00000000)

I can get into Safe Mode (WITHOUT NETWORKING) but that is all I can do. Is there any hope?

Thanks again for your help,


Edited by darren allison, 12 January 2011 - 12:17 PM.

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#2 rigacci



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Posted 17 January 2011 - 09:54 AM

Hello and welcome to Bleeping Computer

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help. No one is ignored here.

If you have since resolved the original problem you were having, we would appreciate you letting us know. If not please perform the following steps below so we can have a look at the current condition of your machine.

If you have not done so, include a clear description of the problems you're having, along with any steps you may have performed so far.

Upon completing the steps below another staff member will review your topic an do their best to resolve your issues.

If you have already posted a DDS log, please do so again, as your situation may have changed.
Use the 'Add Reply' and add the new log to this thread.

Thanks and again sorry for the delay.

We need to see some information about what is happening in your machine. Please perform the following scan:
  • Download DDS by sUBs from one of the following links. Save it to your desktop.
  • Double click on the DDS icon, allow it to run.
  • A small box will open, with an explaination about the tool. No input is needed, the scan is running.
  • Notepad will open with the results.
  • Follow the instructions that pop up for posting the results.
  • Close the program window, and delete the program from your desktop.
Please note: You may have to disable any script protection running if the scan fails to run. After downloading the tool, disconnect from the internet and disable all antivirus protection. Run the scan, enable your A/V and reconnect to the internet.

Information on A/V control HERE

We also need a new log from the GMER anti-rootkit scanner. Please first disable any CD emulation programs using the steps found in this topic:

Why we request you disable CD Emulation when receiving Malware Removal Advice

Then create another GMER log and post it as an attachment to the reply where you post your new DDS log. Instructions on how to properly create a GMER log can be found here:

How to create a GMER log



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