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Ztorg: from rooting to SMS

I’ve been monitoring Google Play Store for new Ztorg Trojans since September 2016, and have so far found several dozen new malicious apps. All of them were rooting malware that used exploits to gain root rights on the infected device. In May 2017, a new Ztorg variant appeared on the Google Play Store – only this this time it wasn’t a rooting malware but a Trojan-SMS. Read Full Article

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Ztorg: money for infecting your smartphone

This research started when we discovered an infected Pokémon GO guide in Google Play. We detected the malware as Trojan.AndroidOS.Ztorg.ad. After some searching, I found some other similar infected apps that were being distributed from the Google Play Store. After I started tracking these infected apps, two things struck me – how rapidly they became popular and the comments in the user review sections. Read Full Article

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Do web injections exist for Android?

Man-in-the-Browser (MITB) attacks can be implemented using various means, including malicious DLLs, rogue extensions, or more complicated malicious code injected into pages in the browser. We’re often asked if there are any web injection attacks for Android devices. This is our attempt to investigate and give as full an answer as possible. Read Full Article

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The banker that encrypted files

Many mobile bankers can block a device in order to extort money from its user. But we have discovered a modification of the mobile banking Trojan Trojan-Banker.AndroidOS.Faketoken that went even further – it can encrypt user data. In addition to that, this modification is attacking more than 2,000 financial apps around the world. Read Full Article