W32.USBWorm spreads through USB drive. It prevents use of Youtube, Orkut, Firefox. Whenever you open Mozilla, it says “I DNT HATE MOZILLA BUT USE IE OR ELSE…”.

Cure:

• Open Task Manager by holding Ctrl + Alt + Del and click on the process tab.

• Ignore the warning messages and stop the SVC.Host for the system’s user name.

• Navigate to C:/Heap41a and delete the contents of the folder.

Also, immediately format your USB drive containing the virus.