Android - experiencing Malware / Intrusive Ads / Popups

RedViking

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Can’t remember if I posted something similar already.

I live in a community with a lot of elderly people, and I have become the resident IT guy. Most of the time I help with simple things like switching off flight mode, turning on mobile data, getting the volume working, or dealing with popups and malware taking control of their phones.

The last one is the real challenge. The cause is almost always the same: mobile games, clicking on adverts, and installing rubbish. But lately the behaviour from these apps has become extremely aggressive. I have seen the following on their devices:

  1. Pop‑up ads that take over the entire screen and cannot be dismissed.
  2. The power button becomes blocked so you cannot switch off the phone.
  3. The phone takes control of itself. If you try to open Settings, it immediately closes.
  4. You cannot close recent apps, and similar issues.
These apps hide themselves from the normal Android application list and from the Permissions menu. Booting into safe mode, where possible, does not help. Even with mobile data and Wi‑Fi switched off, the intrusive behaviour continues. So I suspect it is either some kind of script or an app disguising itself as a system app. Many phones come with system‑level adware preinstalled, so finding the culprit is difficult.

So far, the only reliable solution is to fight with the ads or malware until I can force the phone to shut down, and then do a full factory reset. Most of the elderly residents forgot their Google password the day they created it, so there is no way to recover their Gmail, WhatsApp, or contacts afterwards.

Is there a better way to handle this and stop these ads or malware without doing a full format? I have tried battling long enough to get into the Play Store and install Malwarebytes, but it usually finds nothing.

Of course, the best solution is education so it does not happen again. But try educating a 75‑year‑old who cannot remember if they woke up that morning.
 
Can’t remember if I posted something similar already.

I live in a community with a lot of elderly people, and I have become the resident IT guy. Most of the time I help with simple things like switching off flight mode, turning on mobile data, getting the volume working, or dealing with popups and malware taking control of their phones.

The last one is the real challenge. The cause is almost always the same: mobile games, clicking on adverts, and installing rubbish. But lately the behaviour from these apps has become extremely aggressive. I have seen the following on their devices:

  1. Pop‑up ads that take over the entire screen and cannot be dismissed.
  2. The power button becomes blocked so you cannot switch off the phone.
  3. The phone takes control of itself. If you try to open Settings, it immediately closes.
  4. You cannot close recent apps, and similar issues.
These apps hide themselves from the normal Android application list and from the Permissions menu. Booting into safe mode, where possible, does not help. Even with mobile data and Wi‑Fi switched off, the intrusive behaviour continues. So I suspect it is either some kind of script or an app disguising itself as a system app. Many phones come with system‑level adware preinstalled, so finding the culprit is difficult.

So far, the only reliable solution is to fight with the ads or malware until I can force the phone to shut down, and then do a full factory reset. Most of the elderly residents forgot their Google password the day they created it, so there is no way to recover their Gmail, WhatsApp, or contacts afterwards.

Is there a better way to handle this and stop these ads or malware without doing a full format? I have tried battling long enough to get into the Play Store and install Malwarebytes, but it usually finds nothing.

Of course, the best solution is education so it does not happen again. But try educating a 75‑year‑old who cannot remember if they woke up that morning.
What device is it? You might need to perhaps put it in some kind of kid mode? Also my dad is 79 and doesn't have those issues?
 
It is various devices. Not just a single person. Samsung, Oppo (yuck). Mostly samsung budget range.
For Samsung you can turn on Auto blocker in Security and Privacy. Plus App security, App Protection. But that's only after you manage to clear things, but MTN also had some issues with pop ups on the sim card
For Oppo no idea.
 
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