For business customers only  

It uses Accessibility Services to automatically close the "Settings" or "App Info" screens if a user tries to uninstall it.

Files labeled as "SpyNote 6.4" on public repositories are frequently loaded with secondary malware designed to target the user attempting to deploy it.

: Only download apps from the official Google Play Store and keep "Play Protect" enabled. spynote-x-github · GitHub Topics

: "SpyNote" builders found on GitHub or hacking forums are frequently backdoored