2 years? This doesn't make sense. Did you send that amount 2 years ago or did you send partial amounts which add up to 0.4 BTC through out this duration op? Either way, this was a stupid move since there are far more legit sites out there in comparison.

Try contacting https://bitcointalk.org/index.php?action=profile;u=116564 who handles their thread in this forum(He has not been that active lately though).