Troubleshoot Setup wizard problems

Infected operating system
9.0 ----- I think.
Infected device
Samsung G3 9.0
Infected device issues
Woke up other morning and a setup wizard run running in my phone. Had been for a long time. Phone is slow. Non responsive. Nothing is rite about it. I cant even answer calls half the time it's so slow.
Steps taken to remove the infection
Have tried 3 different phone cleaners and deleting just about all I can