Technical Analysis & Behavior
The Android package identifier 'com.rspl20.nanny.android' is a known indicator of compromise (IoC) for the PhoneSheriff stalkerware spyware family. Also distributed under aliases: PhoneSheriff, MobileNanny, PeekTab, RetinaX, RetinaSpy. Signed with developer SHA1 certificate F57CBB4CBB9834A1... Stalkerware operators intentionally disguise 'com.rspl20.nanny.android' as a generic Android system service, Wi-Fi updater, or battery manager so victims do not uninstall it from Settings > Apps. If 'com.rspl20.nanny.android' is present on your device without your knowledge, revoke its Accessibility and Device Admin privileges immediately and run a full mobile antivirus scan.