‘ExpensiveWall’ malware is the latest Android security threat – and you may be infected

A strain of Android malware that sends fraudulent premium SMS messages and charges users’ accounts for services without their knowledge was recently found lurking in more than 100 apps on the official Google Play Store. It has been downloaded millions of times.

That’s according to researchers at mobile security company Check Point, who have dubbed the malware “ExpensiveWall” after one of the booby-trapped applications.

The malware family it belongs to, first exposed by security firm McAfee back in January, has now reached between 5.9m and 21.1m total downloads, meaning it could be one of the biggest known outbreaks of malware to have ever spread to Android phones and tablets.

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