Fxstar.org administration explain their delayed payouts by technical issues. In this case for some reason it sounds quite suspicious. Let's wait and see if they do what they promise:
Dear partners! In the last 3 days we had some problems with our security, that’s why we had to put many withdrawals into pending status. We had these problems before and we have solved them. So you don’t have to worry about that. We will start our normal work in 1 day.