It's nothing to be concerned about - It's Diagnostic Monitoring Agent & you can Disable it with a package disabler or adb...
It's been reported previously by a few people - It's just annoying - But nothing beyond that 🐧
My previous reply to this issue:
It's a Samsung system app - Diagnostic Monitoring Agent = DiagMonAgent You don't need to worry about it & you can either disable it with adb commands or (simpler) get Package Disabler Pro from the Play Store (costs a couple of bucks) - Or you could always Root the device & uninstall it... Your call 🤙🐧
