[*]On a clean machine, please download Farbar Recovery Scan Tool and save it to a flash drive.
Note: You need to run the version compatible with your system.
Plug the flashdrive into the infected PC.
[*]If you are using Windows 8 consult How to use the Windows 8 System Recovery Environment Command Prompt to enter System Recovery Command prompt.
If you are using Vista or Windows 7 enter System Recovery Options.
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 US 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.
Note: In case you can not enter System Recovery Options by using F8 method, you can use Windows installation disc, or make a repair disc. Any Windows installation disc or a repair disc made on another computer can be used.
To make a repair disk on Windows 7 consult: http://www.sevenforums.com/tutorials/2083-system-repair-disc-create.html
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 US 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
[*]Once in the 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:\frst (for x64 bit version type e:\frst64) and 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.