The same thing has happened to me. I did a check at whois for debtdoctor.biz and the following is info I found:
Registrant Contact Information:
Name: Dennis Best
Organization: Magnumz, LLC
Address 1: 1958 Woodland Ct.
City: Wentzville
State: Missouri
Zip: 63385
Country: US
Phone: +1.6363273947
Email: dbest(at)debtdoctor.biz
I had 250 show up in my account thursday morning. I'm gonna start with contacting my bank Monday to stop any transactions from either companies. Please let me know if this is a good start.