Somebody have access to my data

Hi about a year ago I get the spoonsored ad on facebook and it was like "let us create a page grom your account and we will send you a money" (something like that) and I get into it and give some guy access from teamwiever and he entered some site and get all the info about my ip address and all that stuff, and later my YouTube acc was blocked for violating the roles but I dont do anything, and also few days ago my instagram acc was bloked by Instagram for same reason, and now I see on Facebook some profile with my picture which is private in chat and nobody have access to it exept me and other person in chat. And finaly when I go to register to this forum it shows me my google acc and one that I never see before Please help me I dont know what to do and how I can fix this? I'm really woried