I launched Android ransomware that locked me out of my smartphone and requested password.
Recently, I stumbled upon a tool that allows to build such custom Android Locker. The Locker can request ransom from a victim as an exchange for receiving unlock password. Password to unlock the device is hard-coded in the source code of the ransomware.
How it works:
This tool re-compiles an old Android Locker seen in 2015 (https://www.virustotal.com/gui/file/a7b5555327dd51b3bdb8da57719b9040f26461780395f62465763e3a2d86046c/details)
allows to customize icon, name, title, description and then re-compiles and signs the APK file to executable form.
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