FRST save it to a flash drive.
Plug the flash drive into the infected PC.
If you are using Windows8 consult
http://www.bleepingcomputer.com/tutorials/windows-8-recovery-environment-command-prompt/
How to use the Windows 8 System Recovery Environment Command Prompt to enter System Recovery 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.