So your account was never banned, it was hacked then.
So someone has been using your account to defraud people, regardless of whether you thought it was banned or not, that is what happened as you say.
EMT and Paypal addresses need to be checked to find out who the payments were sent to.
Now just to be sure Bonesy, your email addresses haven't been hacked have they? because that will be quite the coincidence if they have.