• Do you have any third party software ON like macro?
• Did you use a VPN ?
Better you provide many proof, like did you make a new steam account and try to play again?
https://steamcommunity.com/id/Dragons5 (I don't know if it your account, but it look empty & new "Level 0").
Record if it's possible and do the same process, it happen to get a false positive ban but it rare too, there is always a reason why you get banned.
LMAO ok....ok...LOL! .... you owe me a drink