Mar 17, 2012
I'm afraid the thousands of dollars you have already lost are gone for good. Whatever account you used to pay them, cancel it. That will keep them from getting even more money.
They will continue to call demanding more money. Hang up on them. Work with your phone provider to block the calls. As a last resort you might even change your phone number. But your new number will be someone else's old number and may come with calls from the previous owner was trying to escape.