I thought everybody knew that already?

Yobit scam ? Trade lost money
Yobit SCAM - SYSCOIN withdrawal
1000+ ETH blocked: Yobit.net won't explain or resolve
YOBIT scam - class action law suit
YoBit seems wants to steal my money. Are they scammed?
Scam market YObit.net and YObit.io
Yobit.Net Scamming My Deposit

And many more...