Sorry to your lost but in my case I have been trading on Yobit for the past 11 months and nothing unusual I can withdraw my coins and bitcoin whenever I want,the only negative thing is support is very slow security and on time payment is good in my case or opinion.
The support is slow? I wonder whether it exists at all. If you cant withdraw your money for several weeks without any statement or message from "support" its a scam in my view.
To all new users: Please stay away from yobit.net it smells scamy To bad for this exchange got so many bad feedbacks from many people here and it is their very big fault since their support group is unresponsive for the claims and problems occured on them thats why its very advisable to others to not do trade onhere if they don't want to get compromised if they are dealing their alts onhere. Yobit should act professionaly so that they can deal will bad feedbacks on them.