This is a letter I got:
"Hi, we temporarily suspended access to your account, however, don't worry. Your earnings will continue to add up during this inquiry.

We noticed your account has gained a high level of referral earnings in a short time. We find this to be suspicious.

We would like to know where you are obtaining your referrals from? If you can provide us where you are advertising your referral link to gain them, we will unsuspend your account.

You have received this e-mail because you or somebody has used your e-mail address to sign up at coinbooster.io. If you believe your e-mail address was misused, please let us know and we will suspend the user immediately.

Regards
CoinBooster Support"

And I can't enter to my account from yesterday...