Malware researchers at antivirus firm Dr Web discovered more than 33 Android Apps in the Google Play Store with over 100 million installations that contain a clicker Trojan. The apps were all functional and include common applications like dictionaries, online maps, audio players, barcode scanners and other software. Trojan is a malicious module that, according to Dr Web classification, is named Android Click 312. origin. To avoid detection, the apps start any malicious activity after 8 hours from their installation. Trojan remains active in the memory of infected devices and allows to execute multiple malicious activities.”]
Source: https://securityaffairs.co/wordpress/89675/malware/android-apps-clicker-trojan.html