CVE-2017-16835
The "Photo,Video Locker-Calculator" application 12.0 for Android has android_allowBackup="true" in AndroidManifest.xml, which allows attackers to obtain sensitive cleartext information via an "adb backup ‘-f smart.calculator.gallerylock’" command.
Date published : 2018-02-20
https://www.ds-security.com/2017/11/16/photovideo-locker-calculator-leak-of-sensitive-files/