Please, try to create a filter for those persistent and annoying ads, most of them are porn
http://www.steepto.com/ghits/
steepto.com
report the page / site (exact link) where you get such ads
probably malware
https://malwaretips.com/blogs/remove-noad-steep-tv/
https://malwaretips.com/blogs/remove-noad-steep-tv/