When checking my Android devices I noticed that my Hi12 (stock ROM) and a friends Hi8 (also stock ROM) both come with pre-installed Android spyware. The software in question is called ‘Adups’ and installed by default.
According to Kyptowire: “owners can expect zero privacy or control while using it.”
Adups is not detected by common antivir scanners. Neither can it in deinstalled without root. It can be blocked however using Debloater also on non-rooted tablets: