Your account has been stolen and its reputation reduced to negative to mitigate further stolen accounts. Here are the steps to take to regain your account and recover its reputation score above 0:
Recover your account: https://steemit.com/recover_account_step_1
Remove all phishing links from every comment made on your account by the person who stole it.
Make a simple post that has declined payout and ask for help in #steemitabuse-appeals on steem.chat