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Author Topic: Aggressive Ad Module Scans Android Apps  (Read 2130 times)

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Pez

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Aggressive Ad Module Scans Android Apps
« on: 13. September 2013., 13:15:10 »
Aggressive Ad Module Scans Android Apps

During our routine patrols of popular marketplaces offering Android applications we recently came across some suspicious applications hosted on the popular Google Play. The applications are distributed as hacking tools, utility tools, and pornographic apps by different developers. Here are images for a few of them:



("click the images to make them larger")




Suspicious applications on Google Play.

These apps seem to offer no functionality based on their titles, stating “increase Internet speed” and “phone hacking,” for example.

Once installed by the victim, the apps appear to work at first but in fact they simply display screens with interactions that are all fake, using hard-coded or random values generated by the code to seem legitimate. In short, these apps are fake or joke applications.



These fake apps appear to be working on the surface.



Hard-coded PIN in the code.

These apps also bundle several components that relentlessly show advertisements after the user closes the app. In our research, one of the ad modules has an online scanning function, which checks installed apps on the device without the user notification and aggressively displays a purchase screen.



Executed online scan function.

We also confirmed the ad module attempts to download the alleged antimalware application Armor for Android from a remote server.



The “antimalware” application downloaded from a remote server.

As always, users should never install unknown or untrusted software. This is especially true for illegal software, such as cracked applications. They are a favorite vector for malware infection. McAfee Mobile Security detects these suspicious fake apps as Android/FakeBapp.C.


Original article: Monday, September 9, 2013 at 11:07am by Yukihiro Okutomi
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Samker

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Re: Aggressive Ad Module Scans Android Apps
« Reply #1 on: 14. September 2013., 10:40:44 »
I really do not understand why someone would install (consciously) fake App?  ???

Thanks P.  :up:

devnullius

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Re: Aggressive Ad Module Scans Android Apps
« Reply #2 on: 14. September 2013., 13:06:24 »
Well... I'm afraid I recognize some of the programs from my early android days last year... They do not always advertise "fake" app. And to be fair... I never even thought of checking that in the beginning. Because  WHY would someone... ;p

Sigh - gonna check the damages laters

:)

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Re: Aggressive Ad Module Scans Android Apps
« Reply #2 on: 14. September 2013., 13:06:24 »

 

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