Nuking the user would be the best step right now.
He is deleting all warnings about his scam from other members
-snip-
They all have the same goal of scamming/spreading malware.
One of the projects was even discovered to have plagiarized a white paper, A scam accusation was opened against sucrecoin but the OP of the thread has even never bother to respond to the accusation
There is definitely a lot in common with these projects since AlexDuma has been involved in announcing them in his self moderated threads.