I don't play battlefield in some months and i downloaded it today and i notice i got banned, i was hacked by some russian ip and it wasn't me hacking on this account. I am brazillian and the guy who got banned was playing on russian servers.

Hi, please refer to those guides and try again.

https://bf4db.com/forum/thread/guide-how-to-submit-an-appeal-2807

https://bf4db.com/forum/thread/guide-how-to-claim-your-soldier-3296