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I dont 100% know if this is a scam but 100% know that every sign point in this direction and that I feel scammed and I can't go on risking paying another 90-100$ to hope to get the prize they promised. It is right there on the exchange but I can't withdraw them. Any serious exchange would allow me to top up with the remaining of the 0.0032 BTC they demand and not having to deposit ANOTHER 0.0032.
Thank you for reading. I hope someone can figure out more about this
Unfortunately, you definitely got scammed and I'm sorry to hear about your loss. At least you have learned a new lesson.
No legit exchange will ask you to make a deposit in order to get 'verified' or have your account 'activated'. This type of scam is quite common in the crypto world and is probably one of the oldest out there.
There are many threads on this forum that list hundreds (or even more) domains of scam exchanges, so if something doesn't smell right, or if you're unsure, never take any action without asking the community first.
As for your deposit (it is a small one thankfully), it is now too late, but such warnings may help to prevent new victims.