How do I identify and remove this spammy malware "Suggestion" app? Recently these spam ads have started showing up on my phone from an app calling itself &quot;Suggestions&quot;. I never installed this thing itself and I don't see it on the apps list.
It runs periodically throughout the day by itself. Maybe once/hour? Generally when I turn on the phone and unlock, its there. More rarely it pops up in front of the active app if I've been using the phone for a while.
Presumably it tagged along with something else I installed, but I can't recall that it started occurring at a corresponding time with any other app being added.
Generally once I minimize it, it disappears entirely.
Is there a way to identify &amp; remove this?
The ad shown below is just an example, they vary.

While this was on the screen, I long pressed the square Android apps button to go into split screen, somehow this triggered the following site to open up:
(don't click it - just for info)
https://yourphoneboost.com/landers/external/cleaner-update/landing.html?device_name=Motorola%20o&amp;language=en-US&amp;device_brand=Motorola&amp;device_model=o&amp;uclick=17m7e8xr0&amp;uclickhash=17m7e8xr0-17m7e8xr0-gm-sy-9z-wf0-tw3y-7a9e36#


This phone is a Motorola G4 running Android 7. The security patch level was April 1, 2018.


(click images for larger variants)
It turns out to be &quot;Bluetooth Auto Connect&quot; that introduced this spamware-like behavior. This app had been installed for a long time but apparently only recently changed its behavior. I will find a replacement.
Thanks to a tip from @Firelord, I was able to determine the actual app (process?) by:

Pressing the main Android square recent / running apps button

Long-pressing the title bar of the &quot;Suggestions&quot; window.

Pressing the (i) icon which shows up after the long-press. This showed the actual app name.