Minecraft skins on the Play Store discovered as malware

Posted: , by Kaloyan C. Kaloyan C.

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Minecraft skins on the Play Store discovered as malware
At this point it's become quite clear that Google isn't really the best at keeping malicious apps out of the Play Store, although it's doing a spectacularly flashy job of trying to convince us otherwise. So it's no surprise today has brought us another piece of news about malware infiltrating Google's online storefront. The culprit this time? Minecraft.

Okay, not exactly — the old Microsoft/Google rivalry has yet to devolve into cyber warfare tactics. However, as security researchers working for Symantec recently found out, the game's mobile version has been used as a vector to infect unsuspecting players, with at least eight apps discovered to be masquerading as Minecraft add-ons.

At the surface, those apps would provide an actual in-game use (the provided example, shown to the right, is an assassin character skin). Upon install, however, the apps would connect to a command-and-control server and would start sending ad requests. While no ads were actually displayed, this still resulted in ad revenue for the developer and battery loss for the user.

Furthermore, the apps later added the infected devices to a botnet — in essence, this is a large group of devices which unwittingly perform commands given by the owner of the botnet. The most common use is to DDoS (distributed denial of service) websites, which means to shower them with so many fraudulent requests their servers stop responding to actual users.

Symantec dubbed the malware "Sockbot," and says it has identified eight apps with a total of more than 2 million installs. All of those came from a single developer, called "FunBlaster." Google has already been notified of the problem and has since taken them down.

Granted, none of this is out of the ordinary, but there is one detail that makes this a particularly nasty type of attack: Minecraft's target demographic. While the data is scarce, most sources claim the majority of the game's user base is no older than 15 years. Combine this with the basic functionality of the app being strictly cosmetic (and thus unlikely to excite many adults), and it seems clear that the developer's strategy was to primarily target children.

source: Symantec via PCMag

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