From what I understand, Yuri is good for his word.  Back in 2014 they were hacked and around 300 BTC was stolen. https://bitcointalk.org/index.php?topic=485029.msg5357338#msg5357338 Over time, as I have heard it, he repaid the victims from the funds generated by C-cex and finally recently broke even.  That was part of the reason for the month long vacation- in celebration for this accomplishment.  Just be patient with them and I believe you can expect to get refunded.