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How To Remove Backdoor.bot?


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Flush your DNS cache and restore MS's Hosts file:


Copy and paste these lines in Note pad.


@Echo on


attrib -h -s -r hosts

echo localhost>HOSTS

attrib +r +h +s hosts


ipconfig /release

ipconfig /renew

ipconfig /flushdns

netsh winsock reset all

netsh int ip reset all

shutdown -r -t 1

del %0


Save as flush.bat to your desktop.

Double click on the flush.bat file to run it. Using Vista or Windows 7, right click and choose to run as Administrator.


Your computer will reboot itself.


Next, download TFC by Old Timer http://www.geekstogo.com/forum/TFC-Temp-File-Cleaner-OldTimer-file187.html and save it to your desktop.


Save any unsaved work. TFC will close ALL open programs including your browser!

Double-click on TFC.exe to run it. If you are using Vista/Windows 7 right-click on the file and choose Run As Administrator.


Click the Start button to begin the cleaning process and let it run uninterrupted to completion.

Important! If TFC prompts you to reboot, please do so immediately. If not prompted, manually reboot the machine anyway to ensure a complete clean.


Malwarebytes' has been updated to version 1.50. Update and perform a full scan


Let us know if you're still being redirected.

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Jacee, I'm afraid I now have the Bootkit.TDSS virus. I've tried using your steps to remove it and scanning it with the latest version of MalwareBytes, but I'm not sure I am rid of it. Here's the partial log from my last full scan by MalwareBytes.


Files Infected:

c:\WINDOWS\Temp\3.tmp (Rootkit.TDSS.Gen) -> Quarantined and deleted successfully.

c:\WINDOWS\Temp\5.tmp (Rootkit.TDSS.Gen) -> Delete on reboot.



Update: I am now certain I have the Alureon TDSS.TDL4 rootkit virus that infects the Master Boot Record. Please help me. :(

Edited by yakukid
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