Ah do you still have the flash drive connected ?
Download MCShield to your desktop and install
It will initially run a scan and show the result as a toaster by the system clock
Then in the control centre select scanner and tick unhide items on flash drives
https://dl.dropbox.com/u/73555776/mcshield%20unhide.JPG
Plug in the drive and McShield will start a scan
Then get the log which will be located under the logs tab on the main page
And post that
THEN
Please download Malwarebytes Anti-Malware to your desktop
This is an updated version
Install the progamme and select update
Once it has updated select Settings > Detection and Protection
Tick Scan for rootkits
https://dl.dropboxusercontent.com/u/73555776/MBAMsettings.JPG
Go back to the Dashboard and select Scan Now
https://dl.dropboxusercontent.com/u/73555776/MBAMScan.JPG
If threats are detected, click the Apply Actions button, MBAM will ask for a reboot.
https://dl.dropboxusercontent.com/u/73555776/MBAMReboot.JPG
https://dl.dropboxusercontent.com/u/73555776/MBAMLog.JPG
On completion of the scan (or after the reboot) select View Detailed Log
Select Export > Select text file and save to the desktop
Attach/Post that log