Update: Anonymous have taken the real video down, they are waiting to see if the two people who got arrested will be free.
If you take the money they will most likely Reverse it so you'll be left in Debt, there's a lot more to the story than I can type here, in short you have to prove that you are not lost at sea and Dead, and that you have right to access these accounts.
Which is going to be impossible as the system is against the people and will do everything they can to make sure it don't happen, otherwise it would mean everyone is like a multi millionaire.