AFTER you clean up with a Good Anti-Virus and Malwarebytes in SAFE MODE. I'd make sure to turn off all prior System Restore points before that, don't worry, it won't break the machine. YOU can re-check the slot later and make a new clean restore point. Try using OPENDNS free accounts, and consider using the mvps.org custom Hosts file in the future.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.