But this is honestly one of the most obvious scams that I've seen in a while. All the giveaways, and referral programs that are promising free coins that they offer basically rule out any legitimacy. The broken English is an obvious cue as well. In future, don't just use random exchanges you find on chat groups or via a google search. Always research, check their volume on coinmarketcap, check their reputation on the forum, etc.
Yes, that was also I have seen on their exchange site and that was obviously shady one, there's a lot of newly launched exchanges site now giving a high amount of giveaways such as giving a bonus to those who register their exchange site.
@OP thanks for this warning but if I were you, I must prefer to use exchange site that reputed one and having good service to avoid the problem in the future, avoid those newly exchange having promising programs that free. Indeed, if you still biting those newly exchanges launched be researchful on them not just look the giveaways given.