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Last year’s mobile malware tripled

Since Borderless Networks has been introduced, it has gained access and acceptance in the corporate networks. This was a long battle between managers and network administrators as BYOD or Bring Your Own Device has made networks meet their limit as users has increased 5 to 10 times its network capacity.

Now, the battle is really getting protection, whenever, wherever, and must have that instant protection once you go online. Malwares, ransomware, netbots, have also swarmed faster and has coped up faster hitting even the hardest RISC UNIX based systems like Apple, who for the longest time has not been hit by viruses.

The volume of malware targeting users of mobile devices grew more than three times in 2015, compared to 2014. The most dangerous threats in 2015 were ransomware, malware capable of obtaining unlimited rights on an infected device, and data stealers, including financial malware. These are main findings of the annual Mobile Virusology report prepared by the Kaspersky Lab Anti-malware Research group.

The Volume of New Mobile Malware Tripled in 2015 via Kaspersky Lab Virusology
The Volume of New Mobile Malware Tripled in 2015 via Kaspersky Lab Virusology

The 2015 mobile threat landscape in numbers:
● 884,774 new malicious programs were detected by Kaspersky Lab, a three-fold increase on 2014 (295, 539).
● The number of new mobile banking Trojans decreased to 7,030 from 16, 586 in 2014.
● 94,344 unique users were attacked by mobile ransomware, a five-fold increase on 2014 (18, 478).

Ransomware is on the rise, 2015 was the year of ransomware

Once a device is infected with this type of malware, the malicious app blocks the device with a pop-up window carrying a message that the user has committed illegal actions. In order to unlock the device the user has to pay a ransom ranging between $12 and $100.

The number of users of Kaspersky Lab mobile products attacked by ransomware increased from 1.1% to 3.8% between 2014 and 2015. Attacks were registered in 156 counties, with Russia, Germany and Kazakhstan the most hit.
The Trojan-Ransom.AndroidOS.Small malware and its modification, Trojan-Ransom.AndroidOS.Small.o were the most active in Russia and Kazakhstan.

The Small.o was the most widespread of all mobile ransomware detected by Kaspersky Lab last year.
The number of ransomware app modifications has increased by 3.5 times, proof that fraudsters are seeing ever more advantage in earning money from users via blackmail. 2016 is likely to see an increase in the complexity of the malware and its modifications, with more geographies targeted.

Malware with super-user access rights – another threatening development

Nearly half of the top 20 Trojans in 2015 were malicious programs displaying intrusive advertising on mobile devices. The most widespread last year were the Fadeb, Leech, Rootnik, Gorpro and Ztorg Trojans. Fraudsters used every available method to propagate these Trojans, through malicious web-banners, fake games and other legitimate apps published in official applications stores.

In some cases they were positioned as legitimate software preinstalled by the device vendor.
Some of these apps have the ability to gain super-user access rights or root access. Such rights give attackers an almost unlimited ability to modify information stored on an attacked device.

If the installation is successful the malware becomes almost impossible to delete, even after a reboot to factory settings.

Mobile malware with the ability to gain root access has been known about since 2011, and last year it was extremely popular among cyber-criminals. This is likely to continue in 2016.

Take care of your money – mobile banking malware

Banking Trojans are becoming more and more complex, despite a decrease in the number of modifications.
The mechanics of these malicious apps is the same as before: after getting into a clients’ system/device, the malware overlays a bank’s legitimate pages or online payment apps with fake ones. However, the scale on which such malware could be utilized grew significantly in 2015.

Now cyber-criminals can attack clients of dozens of banks located in different countries using only one type of malware, while previously they would have used malicious apps that could only attack one or two financial services organizations in just a few countries.

An example of a malicious application with multiple targets is the Acecard Trojan, which has tools for attacks against users of several dozen banks and web-services.

“As mobile devices become more and more functional, cybercriminals have become more and more sophisticated at attacks that attempt to steal money from users. Last year was the year of banking Trojans and ransomware. Adware was widely used to infect devices with more sophisticated malicious programs. We also witnessed growing interest in malware that can gain super-user access on users’ devices. To stay safe do not neglect reliable mobile anti-virus solutions. Bear in mind that prevention of the threat is better than suffering losses after the infection,” – advises Roman Unuchek Senior Malware Analyst at Kaspersky Lab USA.

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Eli

Eli has 26 years of extensive IT sales expertise in Data, voice and network security and integrating them is his masterpiece. Photography and writing is his passion. Growing up as a kid, his father taught him to use the steel bodied Pentax and Hanimex 135mm film and single-direction flash, Polaroid cameras, and before going digital, he used mini DV tape with his Canon videocam. He now shoots with his Canon EOS 30D. Photography and blogging is a powerful mixture for him.

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