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Mobile malware evolution: 3 infection attempts per user in Fiscal 2013

Mobile Threats Evolution

Experts at Kaspersky Lab have published the results of their analysis of the mobile threat landscape in Fiscal 2013.

2013 in figures:

  • Nearly 100 000 new malicious programs meant for mobile devices detected in Fiscal 2013, more than double the previous year’s figure of 40059 samples. As of January 1, 2014 Kaspersky Lab’s collection included 143,211 mobile malware samples.
  • 98.1% of all mobile malware detected in 2013 targeted Android devices.
  • Approximately 4 million malicious applications used by cybercriminals to distribute mobile malware for Android-based devices. An over-all of 10 million malicious Android apps detected in 2012-2013.
  • The top five countries with the highest number of unique attacked users stand as: Russia (40%), followed by India (8%), Vietnam (4%), Ukraine (4%) and the UK (3%).
  • The majority of mobile malware in Fiscal 2013 targeted users’ money:
    • The number of mobile malware modifications designed for phishing, the theft of bank card information and money from bank accounts increased by a factor of almost 20.
    • 2,500 attempted infections by banking Trojans were blocked.

Banking Trojans are by far stand as the most dangerous type of mobile malware for users. Some of those detected in Fiscal 2013 were more geared towards stealing money from bank accounts rather than from a victim’s mobile account, which significantly increases the potential losses.

Susceptibilities in the Android OS architecture and its rising popularity were important factors behind the increase in Android banking Trojans in Fiscal 2013. Cybercriminals appear to have become obsessed with this method of making money: at the beginning of the year there were just 64 known banking Trojans, but by the end of Fiscal 2013 Kaspersky Lab’s collection contained 1,321 unique samples.

Victor Chebyshev, Virus Analyst, Kaspersky Lab, observed that – “Today, the majority of banking Trojan attacks target users in Russia and the CIS. However, that is unlikely to last for long: given the cybercriminals’ keen interest in user bank accounts, the activity of mobile banking Trojans is expected to grow in other countries in 2014. We already know of Perkel, an Android Trojan that attacks clients of several European banks, as well as the Korean malicious program Wroba.”

The increasingly sophisticated route to your money

  • Criminals are gradually more and more using obfuscation, the deliberate act of creating complex code to make it difficult to analyze. The more complex the obfuscation, the longer it will take an antivirus solution to neutralize the malicious code and the more money the fraudsters can steal.
  • Methods used to infect a mobile device that takes account of compromising legitimate sites and distributing malware via alternative app stores and bots (the bots usually self-proliferate by sending out text messages with a malicious link to addresses in the victim’s address book).
  • Android vulnerabilities are used by criminals to augment the rights of malicious applications, which considerably extends their capabilities and makes it more difficult to remove malicious programs. To bypass the code integrity check when installing an application, the Master Key vulnerability is used. The fact that it is only possible to get rid of Android vulnerabilities by receiving an update from the device manufacturer merely complicates the situation further. If a smartphone or tablet was released more than a year ago, it is probably no longer supported by the manufacturer and patching of vulnerabilities is no longer provided. In that event, the only help comes from an antivirus solution.



Jawed Akhtar

A Journalist by interest and a Music Enthusiast by passion. Wedded to Mother Nature, Jawed indulges his aesthetics in travelling and reading books of varied genres. Having covered News stories for top Dailies in his formative years, that is, he is game for tryst with Technology at Techmagnifier.

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