|yep, absolutely don't pay them money, give out personal information, or credit cards.|
you will need to enter safe mode with networking.
then utilize the following scanner by downloading
1.)Please select the emergency scan, and run an update if it prompts to do so.
2.) Please select PC Scan on the left, and then run a deep scan.
3.)Once it scans, Please Quarantine the found items.
This should have removed your problems for now. You may want to update your antivirus, and you may wish to ensure that all programs are up to date. Then clear your cashe, cookies, and temporary internet stuff.
Happy to help with more issues