Variants of Android DroidKungFu Malware Found

Sue Marquette Poremba

It appears that mobile malware is getting to be more and more like PC malware. According to the October Fortinet Threat Report, FortiGuard Labs observed ongoing development of the new DroidKungFu malware, which has been found to have multiple variants and behaves much like malware found on today's PCs.


DroidKungFu isn't brand new, but the way it is developing is grabbing the attention of security companies. Derek Manky, senior security strategist at Fortinet, said:


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DroidKungFu clearly represents the next evolution in mobile malware. Where earlier attempts at Android malware, such as Zeus in the Mobile (Zitmo), are able to intercept the type of two-factor authentication that banks use to validate the identity of the account holder when logging in, DroidKungFu does much more. By disguising itself as a legitimate VPN client application, the malware quickly gains root access to the device using social engineering. Once executed, DroidKungFu has the ability to download further malware, open URLs in a browser, start programs and delete files on the system.

According to the Fortinet blog, DroidKungFu comes in five different variants so far. All of the variants share the same malicious commands. The differences, the blog said:

... rely on whether the sample uses exploits or not, whether the malicious functionalities are implemented natively or not and whether some payload is encrypted with AES or not and the key it uses.

Lookout added this very good news: If you have Lookout downloaded on your Android phone, you are protected.


These announcements serve as yet another reminder that mobile devices are continuing to take on more of our daily computer use. I recently saw a commercial about transferring money from your account directly into a friend's account using your phone (in a restaurant probably on public Wi-Fi, no less). My first thought was of banking malware that steals your private info.


Fortinet's news is only going to be the tip of the iceberg when it comes to mobile device malware.

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