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Detection of Ad SDK Cootek -> Android/Adware.Cootek


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  • Staff

Due to its overly aggressive nature, we have decided to detect an Ad SDK known as Cootek as Android/Adware.Cootek.  Cootek displays full screen ads.  Not only does it display these ads within the app that contains the code, it also does this when the app is not open.  Most notably, after a device is unlocked.  This action, along with many complaints in the various reviews of infected apps has lead us to this decision.

The Cootek SDK is in many apps found in Google Play — over 2k according to our Mobile Intelligence System.  One example is 7 Fit.

If you are okay with these full screen Ads, please feel free to ignore the detection of Android/Adware.Cootek in Malwarebytes for Android.  Although aggressive, these Ads do NOT cause any other harm to your device.

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11 hours ago, MAM said:

@MAM

Ewind is another Ad SDK.  That particular app contains both Adware.Ewind and Adware.Cootek.

Nathan

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15 hours ago, MAM said:

I am a little bit confused now. Yasterday, in the eavening by me ( iam german) Malwarebytes Mobile 3.0 ( on a Android device installed) detect this App not. To day in the morning,  it is recognized.

MAM

Hi @MAM,

It can take some time for the signature database to replicate across all our servers, and then update to your device.

Nathan

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On 10/9/2017 at 12:52 PM, mbam_mtbr said:

Due to its overly aggressive nature, we have decided to detect an Ad SDK known as Cootek as Android/Adware.Cootek.  Cootek displays full screen ads.  Not only does it display these ads within the app that contains the code, it also does this when the app is not open.  Most notably, after a device is unlocked.  This action, along with many complaints in the various reviews of infected apps has lead us to this decision.

The Cootek SDK is in many apps found in Google Play — over 2k according to our Mobile Intelligence System.  One example is 7 Fit.

If you are okay with these full screen Ads, please feel free to ignore the detection of Android/Adware.Cootek in Malwarebytes for Android.  Although aggressive, these Ads do NOT cause any other harm to your device.

UPDATE: For similar reasons, we have added detection for Adware.Solid.  Once again, apps with this Ad SDK have been found in Google Play.

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