I am getting the same thing almost constantly. Just started recently. I can find the app on my phone but you can't close it, stop it, disable it or uninsall. You also can't find out anything about it, what it is supposed to do etc. I tried the standard delete the memory database or whatever it is called (always the first advice from teck support) didn't help.
I would recommend wiping the cache partition on your device, you can do so by following these steps.
Turn off the device.
Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
When the Android logo displays, release all three keys.
An 'Installing system update' message will show for 30 - 60 seconds before the Android system recovery menu options appear.
Press the Volume down key several times to highlight wipe cache partition.
Press Power key to select.
Press the Volume down key to highlight yes, them and press the Power key to select.
When the wipe cache partition is complete, Reboot system now is highlighted.
Press the Power key to restart the device.
Let me know if this helps!