Unfortunately, you are just one of many users who got scammed by them.

Make a new thread in the Scam Accusations board and post all the proof you have on them.
You can follow this scam report format to make it as clear as possible.

They are already tagged multiple times, not sure what another tag will bring. Have you tried contacting the member 1xbit_official? He is working with them, it might help to present your case to him. Who knows...