An anonymous reader quotes Fortune:
The security firm Checkpoint on Thursday uncovered dozens of Android applications that infected users’ devices with malicious ad-click software. In at least one case, an app bearing the malware was available through the Google Play app store for more than a year. While the actual extent of the malicious code’s spread is unknown, Checkpoint says it may have reached as many as 36.5 million users, making it potentially the most widely-spread malware yet found on Google Play… The nefarious nature of the programs went unnoticed in large part, according to Checkpoint, because its malware payload was downloaded from a non-Google server after the programs were installed. The code would then use the infected phone to click on Google ads, generating fraudulent revenue for the attacker.
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