To function, cloner apps require extensive permissions (contacts, storage, location). In a modified version, there is no guarantee that this data isn't being harvested.

Access to over 200 customization settings, including changing app icons and names, removing permissions, and disabling auto-start or analytics.

: Anti-virus warnings for cloned apps are often "false positives" due to unofficial signing certificates, but warnings for the modded cloner itself should be taken seriously . Verdict App Cloner - Official Home Page

: Disguise apps behind fake icons (like a calculator) or lock them with passwords. Visual Customization

End of story.