That's why I don't wear their signature anymore. But, talking about their support, they don't answer on tickets via their website. And try to write yobit.ch in your browser, it will get you to yobit.net.
If you entered into the clone of yobit then yobit will not be responsible for it.
Right domain of yobit is
https://yobit.net/And even they warned about the fake websites on their interface as well.
P.S: If you have any funds on your yobit wallet move ASAP to your wallet or to new account,your account credentials were stolen by clone site.