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Infected With Win32:tratbho [trj]


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#1 Bradz

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Posted 02 April 2008 - 01:02 AM

Hey last night someone on my MSN sent me a link for a supposed "picture" but it turns out it was a trojan (silly me, it wasn't even in picture format).

Anyways Avast! has found this Trojan 3 times now and it's obviously not going away with a simple virus scan as it appears it reinstalls on reboot. On the third detection the file name is rqRKARLC.dll but I think it changes every time because that returned no results on a google search.

Also after getting this virus my Bandwidth monitor has gotten an error when it loads on startup but I can open it fine afterwards. There is also a suspicious looking process running in the process list called "msn.com" which is odd because aren't processes supposed to only be .exe and .dll?

Lastly on 2 occasions since the infection; my MSN messenger has begun acting strangely. At a random time it seems that it is randomly choosing a contact out of my list and its quickly flashing the chat box for that contact. While this is happening my mouse moves near the top left section of my screen and cannot be moved until I CTRL+ALT+DEL.

I'm about to do an Ad-Aware scan but I was wondering if anyone has a solution to this.

So far, this doesn't seem like it is doing any serious damage (no pop ups or deleted files that I've noticed).

Thanks.

Edited by Bradz, 02 April 2008 - 01:04 AM.


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#2 dmndmn

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Posted 02 April 2008 - 09:41 AM

Get SUPERantispyware from : http://www.superantispyware.com/ and also, malwarebytes anti-malware program from : http://www.malwarebytes.org/mbam.php

Then use both to run a scan on the msn messenger folder ( i.e the place of installation of your messenger ) . Clean any infections you find, run a thorough system scan with superantispyware after that. Reboot.

I'm not really sure but i think the virus has encrypted itself into your messenger service. So Maybe running all previous steps, and un-installing it, rebooting the system and re-installing it might help.

Hope this works. :thumbsup:

#3 quietman7

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Posted 02 April 2008 - 10:39 AM

After scanning with SuperAntispyware, do this:

Please print out and follow the instructions for using "Vundofix". -- If using Windows Vista be sure to Run As Administrator.
  • Click the Scan for Vundo button.
  • Once it's done scanning, click the 'Fix Vundo' button.
  • After running VundoFix, a text file named vundofix.txt will automatically be saved to the root of the system drive, usually at C:\vundofix.txt.
  • Please copy & paste the contents of that text file into your next reply.
Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on Download_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 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 Acan" option is selected.
    • Then click on the Scan button.
  • The next screen will ask you 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 and you may be prompted to restart your computer. (see Note below)
  • 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 and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts. Click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.
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