the announcement of the prosecutor only talks about money, not bitcoins, so maybe, bitcoins are not confiscated.
Not maybe. According to the document linked by 600watt, the bitcoins are not confiscated. This is an official statement from Simon's lawyer, so we can take it granted... Now, let's wait to get out BTC back!
Now if it still won't happen, we'll have no doubt of Simon's bad faith.
AFAIK, the bitcoins will be able to be returned by introducing a limited feature for withdrawals on the bitcoin-24.com site. Call the lawyers to get more details if required, that's what I've read.