They're out of Russia to the best of my knowledge, and I have no idea how Russia regulates crypto exchanges if they even do at all.  You never know with that country when it comes to crypto.  But the main problem is one of transparency as far as I'm concerned.  It would be so easy for Yobit to just run away with everyone's money if nobody knows who's running the show, and nobody does know.  That's why I stopped using them for trading a long time ago.

Changing the signature from the cryptotalk one to something that's all Yobit is not cool IMO.  It's like they're trying to restart the Yobit signature campaign through some shady backdoor maneuver, and even if Yahoo62278 is still managing it, it's still not cool.  I'm not sure if the investbox thing is a scam or not, but drawing new members to it will probably make it into a Ponzi scheme in no time.