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Trojan.DNSchanger


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#1 Snufkin

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Posted 27 October 2008 - 10:19 PM

My computer has been infected by Trojan.DNSchanger...
When I try to Windows update, it brings me to www.msn.com
I have tried to reinstall Windows XP and Vista, however the problem is still here, how can I solve it?

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#2 Budapest

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Posted 27 October 2008 - 10:22 PM

Reinstalling Windows should have solved the problem. Did you format the hard drive before the reinstall?
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 Snufkin

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Posted 27 October 2008 - 10:25 PM

Yes, I have delete all the partition and create it again, do full format and reinstall Windows....
I also can't come to this forum by using the infected computer.

#4 Budapest

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Posted 27 October 2008 - 10:39 PM

The infection would not be able to survive a format. You must have got re-infected somehow.

Please download Malwarebytes Anti-Malware and save it to your desktop.
  • 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 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 and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes, they may alert you after scanning with MBAM. Please permit the program to allow the changes.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#5 Snufkin

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Posted 28 October 2008 - 12:12 AM

It's so strange, I just try to visit windows update website after reinstalling Windows, it brings me to www.msn.com...
I even haven't installed any program or visit other website, just wonder why my computer have got re-infected?

P.S. I'll provide the MBAM's report once it's ready.




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