Trojan steals contact details from Android-running devices with bogus battery optimization app. Trojan covertly scans address books and broadcasts phone numbers and email addresses to an attacker-controlled domain. After sending all contact details, it displays an image with a GONE visibility state, followed by a message saying: I am sorry. Your terminal is not available or unsupported Users are left believing their device was simply incompatible with the app. Even the app`s icon is convincing, displaying a green battery logo.”]