Google has said that it recently identified and shut down a massive ad fraud Android botnet called Chamois, which may have infected scores of Android devices. Google claimed that the botnet operated stealthily to infect users via the Play Store, without their knowledge, bombarding them with popup ads and automatically installing other apps in the background. Google security researchers said they chanced upon Chamois “during a routine ad traffic quality evaluation”. According to Google, Chamois was “one of the largest” malware families seen on Android and distributed via “multiple channels”.
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ORIGINAL SOURCE: IBTimes