Hi there the USB is probably infected

CAUTION : This fix is only valid for this specific machine, using it on another may break your computer

Open notepad and copy/paste the text in the quotebox below into it:

HKLM\...\Run: [39740771_2 (scrambled)] => wscript.exe //B "C:\Users\Admin\AppData\Local\Temp\39740771_2 (scrambled).vbe" <===== ATTENTION HKU\S-1-5-21-2117982335-1953125690-2862676845-1000\...\Run: [39740771_2 (scrambled)] => wscript.exe //B "C:\Users\Admin\AppData\Local\Temp\39740771_2 (scrambled).vbe" <===== ATTENTION Startup: C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39740771_2 (scrambled).vbe () C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39740771_2 (scrambled).vbe C:\Users\Admin\AppData\Local\Temp\39740771_2 (scrambled).vbe BHO: Visual Bookmarks -> {D5FEC983-01DB-414a-9456-AF95AC9ED7B5} -> No File BHO-x32: Visual Bookmarks -> {D5FEC983-01DB-414a-9456-AF95AC9ED7B5} -> No File FF user.js: detected! => C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\7ccseq2u.default\user.js EmptyTemp: CMD: bitsadmin /reset /allusers

Save this as fixlist.txt, in the same location as FRST.exe
Run FRST and press Fix
On completion a log will be generated please post that

THEN

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

FINALLY

Please download AdwCleaner by Xplode onto your desktop.

[*]Close all open programs and internet browsers.
[*]Double click on AdwCleaner.exe to run the tool.
[*]Click on Scan.
[*]After the scan is complete click on “Clean”
[*]Confirm each time with Ok.
[*]Your computer will be rebooted automatically. A text file will open after the restart.
[*]Please post the content of that logfile with your next answer.
[*]You can find the logfile at C:\AdwCleaner[S1].txt as well.