Are you attacked by a virus? destroy it!

Download two programs:
1- MalwareBytes
2- SuperAntiSpyware

Restart your computer, and press f8 repeatedly immediately after pressing restart button.

You should see a black screen with white lettering.

Select SAFE MODE WITH NETWORKING.
Scan (Quick) with Malwarebytes' Anti-Malware.

Remove found items, restart if needed.

Then scan with Superantispyware (complete), and remove.

There you go, it's removed.