w32.USBWorm Related to youtube, orkut,mozilla concerns annoying pop ups as those shown below

How to get around-

download the Worm-fix.exe tool.

After downloading the tool, removing the worm is quite as simple as running the removal tool.

However its also possible that the exe file extension association to get corrupted due to a virus scan

In that case double click on ‘EXE File Association Fix‘. This will reestablish the exe file association