I managed to syskey one of them, their main software to use is TeamViewer 9
Number: 888-509-1525
Msg they leave:
Dinner this call is a reminder for you that today 300 dollar is going to automatically debited from your bank account for the subscription of your computer services and support and Windows license key renewal US auto renewal your subscription if you wanted to cancel the subscription please call to our toll free number the number is 888-509-1525 thank you.
. They ain’t picking up I guess it’s dead