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Infected with Backdoor.Tidserv!inf


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#1 silencio

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Posted 15 July 2010 - 05:42 PM

Hi all!

Okay, I'm in real trouble at the moment. Today a Norton warning saying I'm infected with Backdoor.Tidserv!inf popped up, telling me it has to be manually removed. Immediately I thought of running a scan with my Spyware Doctor tool and Malwarebytes, but the thing is that my computer just freezes without warning very often, which makes it impossible to run those scans as they take a whole while to complete. So what do I do when I can't scan my computer?!

Getting kinda worried here now as I want to remove the trojan obviously. I have tried starting my computer in safe mode, but when I do the monitor just goes all black and nothing happens....

Please help me outta here. :thumbsup:

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#2 boopme

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Posted 15 July 2010 - 09:51 PM

Hello and welcome...
Is this PC on a network?

Run a full system scan in safe mode with the latest Norton definitions. Then unplug the network connection and reboot the computer. Does the backdoor.tidserv detection come up again? If so, then we need to search for another undetected process on your computer.


Now run TDDS Killer
Please read carefully and follow these steps.
  • Download TDSSKiller and save it to your Desktop.
  • Extract its contents to your desktop and make sure TDSSKiller.exe (the contents of the zipped file) is on the Desktop itself, not within a folder on the desktop.
  • Go to Start > Run (Or you can hold down your Windows key and press R) and copy and paste the following into the text field. (make sure you include the quote marks) Then press OK. (If Vista, click on the Vista Orb and copy and paste the following into the Search field. (make sure you include the quotation marks) Then press Ctrl+Shift+Enter.)


    "%userprofile%\Desktop\TDSSKiller.exe" -l C:\TDSSKiller.txt -v

  • If it says "Hidden service detected" DO NOT type anything in. Just press Enter on your keyboard to not do anything to the file.
  • It may ask you to reboot the computer to complete the process. Allow it to do so.
  • When it is done, a log file should be created on your C: drive called "TDSSKiller.txt" please copy and paste the contents of that file here.
Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware (v1.46) and save it to your desktop.alternate download link 1
alternate download link 2
MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#3 silencio

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Posted 16 July 2010 - 09:01 AM

The PC that is infected is my stationary one. Now I'm on the laptop. Well, the network is broken so I'm currently using a cable from the modem directly to the laptop.

I can't start up the PC in safe mode. Screen just goes all black and no progress. The main problem here now is - I simply can't run any scans on my computer.

#4 boopme

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Posted 16 July 2010 - 01:17 PM

Let us see if we can get Safe mode to run.

Please download and run SafeBootKeyRepair.exe.

Once it has completed, please try booting into Safe Mode.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#5 silencio

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Posted 20 July 2010 - 01:03 PM

I tried running a scan in safe mode, but once again... my PC froze!

#6 boopme

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Posted 20 July 2010 - 03:29 PM

We will need to do this differently.
Please go here....
Preparation Guide ,do steps 6 - 9.

Create a DDS log and post it in the new topic explained in step 9,which is here Virus, Trojan, Spyware, and Malware Removal Logs and not in this topic,thanks.
If Gmer won't run,skip it and move on.
Let me know if that went well.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook




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