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Roaming Mantis, part III

In Q2 2018, Kaspersky Lab published two blogposts about Roaming Mantis sharing details of this new cybercriminal campaign. During our research, it became clear that Roaming Mantis has been rather active and has evolved quickly. The group’s malware now supports 27 languages, including multiple countries from Asia and beyond, Europe and the Middle East. Read Full Article

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Leaking ads

We found that because of third-party SDKs many popular apps are exposing user data to the internet, with advertising SDKs usually to blame. They collect user data so they can show relevant ads, but often fail to protect that data when sending it to their servers. Read Full Article

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Roaming Mantis uses DNS hijacking to infect Android smartphones

In March 2018, Japanese media reported the hijacking of DNS settings on routers located in Japan, redirecting users to malicious IP addresses. The redirection led to the installation of Trojanized applications named facebook.apk and chrome.apk that contained Android Trojan-Banker. During our research we received some invaluable information about the true scale of this attack, we decided to call it ‘Roaming Mantis’. Read Full Article

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Jack of all trades

Among this array of threats we found a rather interesting sample – Trojan.AndroidOS.Loapi. This Trojan boasts a complicated modular architecture that means it can conduct a variety of malicious activities: mine cryptocurrencies, annoy users with constant ads, launch DDoS attacks from the affected device and much more. Read Full Article

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Still Stealing

Two years ago we published a blogpost about a popular malware that was being distributed from the Google Play Store. In October and November 2017 we found 85 new malicious apps on Google Play that are stealing credentials for VK.com Read Full Article

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WAP-billing Trojan-Clickers on rise

During the preparation of the “IT threat evolution Q2 2017” report I found several common Trojans that were stealing money from users using WAP-billing. We hadn’t seen any Trojans like this in a while, but several of them appeared out of nowhere. Most of them had been under development since the end of 2016 / the beginning of 2017, but their prevalence increased only in the second half of Q2 2017. Therefore, I decided to take a closer look at these Trojans. Read Full Article

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Booking a Taxi for Faketoken

The Trojan-Banker.AndroidOS.Faketoken malware has been known about for already more than a year. Throughout the time of its existence, it has worked its way up from a primitive Trojan intercepting mTAN codes to an encrypter. Not so long ago, thanks to our colleagues from a large Russian bank, we detected a new Trojan sample, Faketoken.q, which contained a number of curious features. Read Full Article

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A new era in mobile banking Trojans

In mid-July 2017, we found a new modification of the well-known mobile banking malware family Svpeng – Trojan-Banker.AndroidOS.Svpeng.ae. In this modification, the cybercriminals have added new functionality: it now also works as a keylogger, stealing entered text through the use of accessibility services. Read Full Article