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AfterMath of Troj/Nyrate-A


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4 replies to this topic

#1 MadStudent

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Posted 30 December 2009 - 02:54 AM

Received that nasty little bastard in topic title from a googletalk buddy, damn thing infected half my friends before I knew what had happened. Was able to remove it, have run system scans afterward via nod32 online and kaspersky online and all appears clean. However, each time the pc boots there is no desktop, and a explorer window set to my documents pops up. Checking processes does in fact show this is the legitimate windows explorer running but for some reason the desktop/start menu has failed to load. If you hit alt-ctrl-delete and go to file->run->explorer.exe the desktop/start menu is restored.

Mental Note: The "my documents explorer" which pops up on windows boot the identical window you would receive if your desktop/start menu had been visible and explorer was started from task manager. I believe part of the infection used explorer as a startup and since it has been removed code is laying around in regedit linking to the deleted file and causing this problem, but as of yet I have been unable to locate it.

Info
-I am running Windows Vista Home with all updates at present
-Via msconfig "Load startup items" has been unchecked so startup is clean
-I have tried using system restore and going back ~week+ before the infection occurred and this has not fixed the problem

Any help would be appreciated. Attached are logfiles that should be helpful, please advise what other tools may be used to provide more effective logs to diagnose the issue.

Update1::->
Found this in DDS Log, file has been long since deleted (qiaap.exe) but something missed this registry item, going to delete and try reboot in a few minutes.
"
============== Pseudo HJT Report ===============

uStart Page = hxxp://google.com/
mWinlogon: Userinit=c:\windows\system32\Userinit.exe
uWinlogon: Shell=explorer.exe "c:\users\username\qiaap.exe"
"

Update2::->
Removing highlighted entry was the solution! Yeay for DDS, however would be great if someone could look over logs and see if I missed anything.

Attached Files


Edited by MadStudent, 30 December 2009 - 03:42 AM.


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#2 Blind Faith

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Posted 09 January 2010 - 07:45 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 and take the steps necessary with you to get your machine back in working order clean and free of malware.

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



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Yadi thakè, tahalè
Ki kshama kartè paro
?



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#3 MadStudent

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Posted 11 January 2010 - 01:12 AM

The original issue has been resolved, however a new one has popped up. Viruses have been removed but now I have another problem I believe related to the fact his key had been accidentally removed HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Network\Server Manager

Network Cards are running amuck, loosing cards from hardware manager and re-appearing. I've gotten the correct drivers but getting failed to reinstall because of "invalid inf" however files are straight from manufacturers site so no idea what is causing it. See attached screenshots.

Attached Files


Edited by MadStudent, 11 January 2010 - 01:16 AM.


#4 sundavis

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Posted 12 January 2010 - 01:15 PM

Hi MadStudent,



Welcome to BleepingComputer HijackThis Logs and Malware Removal, :(
My name is sundavis, I will be helping you to deal with your Malware problems today.

Before we proceed to fix your Network Cards driver problems, your machine probably have been compromised by W32.Virut. This is a typical pattern.

Besides that, I can't see any Autoloading programs from Registry & Startup group in your logs. If you can't access internet right now, please download the following file from another computer and transfer it via usb or flash drive.

Step1

Before we start fixing anything you should print out these instructions or copy them to a NotePad file so they will be accessible. Some steps will require you to disconnect from the Internet or use Safe Mode and you will not have access to this page.

Please download Dr.Web CureIt and save it to your desktop. DO NOT perform a scan yet.
alternate download link

Note: The file will be randomly named (i.e. 5mkuvc4z.exe).

Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Scan with Dr.Web CureIt as follows:
  • Double-click on the randomly named file to open the program and click Start. (There is no need to update if you just downloaded the most current version
  • Read the Virus check by DrWeb scanner prompt and click Ok where asked to Start scan now? Allow the setup.exe to load if asked by any of your security programs.
  • The Express scan will automatically begin.
    (This is a short scan of files currently running in memory, boot sectors, and targeted folders).
  • If prompted to dowload the Full version Free Trial, ignore and click the X to close the window.
  • If an infected object is found, you will be prompted to move anything that cannot be cured. Click Yes to All. (This will move any detected files to the C:\Documents and Settings\userprofile\DoctorWeb\Quarantine folder if they can't be cured)
  • After the Express Scan is finished, put a check next to Complete scan to scan all local disks and removable media.
  • In the top menu, click Settings > Change settings, and uncheck "Heuristic analysis" under the "Scanning" tab, then click Apply, Ok.
  • Back at the main window, click the green arrow "Start Scanning" button on the right under the Dr.Web logo.
  • Please be patient as this scan could take a long time to complete.
  • When the scan has finished, a message will be displayed at the bottom indicating if any viruses were found.
  • Click Select All, then choose Cure > Move incurable.
  • In the top menu, click file and choose save report list.
  • Save the DrWeb.csv report to your desktop.
  • Exit Dr.Web Cureit when done.
  • Important! Reboot your computer because it could be possible that files in use will be moved/deleted during reboot.
  • After reboot, post the contents of the log from Dr.Web in your next reply. (You can use Notepad to open the DrWeb.cvs report)

In your next reply, please post back:

1.Dr.Web log Thanks

#5 sundavis

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Posted 17 January 2010 - 02:10 AM

Due to Lack of feedback, this topic is now Closed.

Everyone else please start a new topic in the Hijackthis-Malware Removal forum.




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