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Failure to remove backdoor.bot

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My wifes PC has backdoor.bot in the C\windows\pchealth\helpctr\binaries directory.

Specifically secdrive.exe, VTkMgr.exe, VTsMgr.exe, svchost.exe

and lsass.exe in the same directory has Trojan.Agent

The PC is running Windows XP with Service pack 3

I have the latest Malwarebytes with all the latest updates.

Malwarebytes detects the problem, and asks for removal on reboot.

After reboot the problem ( the 5 entries ) are still there. This unfortunately is very repeatable.

I have Spybot installed and the Tea timer is disabled.

If I look at the c drive all is fine. I can list all the directories.

If I look at the Windows pchealth directory, the system says that the C drive is not formatted. This bit worries me.

Only this directory gives me the C drive not formatted response.

The machine is running very slowly, all the time.

The McAfee antivirus keeps getting switched off, although I can put it on again.

I had the same virus on my machine in the same place and it was removed very easily.

Some help would be very much appreciated.

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Greetings and welcome to the forum.

To get you fixed up please follow the instructions here:


and post your logs in a new topic here:


Please be sure not to install any software or use any removal/scanning tools exept those that you are

instructed to by the expert who will be assisting you as doing so can make their job much more difficult.

I hope I was helpful. Good luck and safe surfing.

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