Help! Device Manager is auto-iinstalling apps from ads

If you go to your apps list and try to open App Selector, you'll see it's connected to a few things like content manager and aura services. I used that make sure it didn't allow any installs by going through all of them there first, and then went to each of those apps on the app list, to turn off any permissions or uninstall/ disable if I could. Especially Aura Services as I noticed it had been running in the background without permission. And then also made sure to disable the App Selector as well. It seems to work for a bit, but I have to redo it everytime it installs an update. That's definitely something they need to fix for security purposes, I agree 100%.