This is the youtube channel URL https://www.youtube.com/channel/UC-YoKd4Qb_ToznrwksS2TWQ
Whisch is associated with the scam recently change the name of the youtube channel ad ask the user to mail them just to solve the problem.
Checkout this thread you will get to know and report the channel so no one get scammed on youtube like me.
Some thread related to this scam is
http://scammer.info/d/23977-1-888-302-0444/2