Annoying Pop-ups on Samsung Galaxy S4?

Ive had this phone since January and I love. However, after a while it started giving me these pop ups every ten minutes. Then in about May I started getting video ads that could play while my phone was sleeping. The video add said they were powered by adfuse. So I looked up my problem and I tried everything. I downloaded three virus scanners and they didnt work. Then I searched my downloaded app permissions and there was nothing that suggested writing over apps. Im really stuck. Please Help.


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