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Root-kit help


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So, my problem started a week ago where I got a piece of what I thought was malware. I unhooked my ethernet and ran scans, didn't detect anything. I ran a system restore and thought that solved the problem... until today. I could not log on to my computer even in safe mode. Unhooked ethernet again. I also tried a bootable flash drive with Windows Defender Offline and since that booted the OS, it would not run a full scan. The virus was counteracting everything I tried. All this has led me to believe that it is a root-kit. Is there any way to remove it using an external independently bootable anti-virus program or anything else? When I turn on the computer, it tries to log on to my user tile whenever I start the OS.

 

I run a Win7x64.

 

Note: I happen to have 2 bootable OS's on differnt hard drives and tried both (My new one and my old one) but the virus had infected both OS's.

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Please download Farbar Recovery Scan Tool from here:                                                                   

http://www.bleepingcomputer.com/download/farbar-recovery-scan-tool/

save it to a USB flash drive. Ensure to get the correct version for your system, 32 bit or 64 bit

 

Note: You need to run the version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.

 

Plug the flash drive into the infected PC.

 

If you are using Vista or Windows 7 enter System Recovery Options.

 

Plug the flashdrive into the infected PC.

 

Enter System Recovery Options I give two methods, use whichever is convenient for you.

 

To enter System Recovery Options from the Advanced Boot Options:

  • Restart the computer.
  • As soon as the BIOS is loaded begin tapping the F8 key until Advanced Boot Options appears.
  • Use the arrow keys to select the Repair your computer menu item.
  • Select Your Country as the keyboard language settings, and then click Next.
  • Select the operating system you want to repair, and then click Next.
  • Select your user account an click Next.

 

To enter System Recovery Options by using Windows installation disc:

  • Insert the installation disc.
  • Restart your computer.
  • If prompted, press any key to start Windows from the installation disc. If your computer is not configured to start from a CD or DVD, check your BIOS settings.
  • Click Repair your computer.
  • Select Your Country as the keyboard language settings, and then click Next.
  • Select the operating system you want to repair, and then click Next.
  • Select your user account and click Next.

 

On the System Recovery Options menu you will get the following options:

Startup Repair

System Restore

Windows Complete PC Restore

Windows Memory Diagnostic Tool

Command Prompt

 

  • Select Command Prompt
  • In the command window type in notepad and press Enter.
  • The notepad opens. Under File menu select Open.
  • Select "Computer" and find your flash drive letter and close the notepad.
  • In the command window type  e:\frst64 or e:\frst depending on your version. Press Enter
    Note: Replace letter e with the drive letter of your flash drive.
  • The tool will start to run.
  • When the tool opens click Yes to disclaimer.
  • Press Scan button.
  • It will make a log (FRST.txt) on the flash drive. Please copy and paste it to your reply.

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