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LeakerLocker Extortionware Test-Drives a New Malware Model

July 12, 2017 / Tara Seals

A new Android malware dubbed LeakerLocker threatens to share victims’ private information and browsing history to all their contacts—causing potential embarrassment or worse. According to McAfee, rather than encrypt files, the malware claims to have made an unauthorized backup of a phone’s sensitive information that could be leaked to a user’s contacts unless it receives “a modest ransom,” which at the time of writing was about $50. It was found in two applications in the Google Play Store, Wallpapers Blur HD and Booster & Cleaner Pro, both of which have thousands of downloads. Both are trojans that offer apparently normal functions, but they ask for excessive permissions (like the ability to access calls, reading and sending SMS and access to contacts).