Many mobile apps and games include advertisements, which is perfectly fine — the developers have to eat, after all. However, some malicious applications go a step further by sending push notifications containing advertisements, or taking over your entire screen when you don't even have the app open. In a few cases, apps have even been caught pushing ads when the phone is asleep or on the lock screen.

Malicious apps like those shouldn't have been allowed onto the Play Store in the first place, but if you're dealing with annoying spam notifications or full-screen popups, you've come to the right place.

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