Quote:Researchers found a Trojan Dropper malicious module hidden within the Android app CamScanner downloaded over 100 million times by Google Play Store users.
 
The malicious component was found by Kaspersky security researchers Igor Golovin and Anton Kivva while taking a closer look at the insides of the CamScanner app following a deluge of negative reviews posted by users over the last few months,
 
As a confirmation to sudden increases in negative ratings and user reviews usually pointing out to something not exactly going right with an app, the researchers found "that the developer added an advertising library to it that contains a malicious dropper component."