Help i hve a fake id bug on my android lg

[AC Question]

I hve a false system app. Fake id bug. Somebody is duplicating the pages. Apps. I hvr 36 running apps i hve no control of. When i try to update anything. It says my device has no seerice. Or unfortunately google play has stopped. It reboots quite often. Won't let me sign into my account or any apps. I can't stop or report running apps. HELP