Threat Descriptons



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Counterclank.A is an advertising component used in various ad-supported apps. While running, the component silently collects data from the device and forwards it to a remote site.


Once the scan is complete, the F-Secure security product will ask if you want to uninstall the file, move it to the quarantine or keep it installed on your device.

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note: You need administrative rights to change the settings.

Technical Details

Counterclank.A is an advertising module included in various apps, typically popular games or image-related programs. The apps themselves are not malicious and are free, ad-supported software that simply included the advertising module to provide revenue for the app developers.

In addition to displaying ads however, the module also leaks information from the device to a remote site without the user's knowledge.

While the app is running, the module retrieves the following information from the device and forwards the data to http://[...][...]:

  • Device manufacturer
  • Device model
  • Device version
  • IMEI (International Mobile Equipment Identity) number
  • Operating system version
  • Phone locale settings
  • Phone number
  • Source IP address
  • User Agent

The module also adds a search icon to the device's home screen and a bookmark to the device's browser, which lead the user to a mobile search provider, http://[...][...].

While apps with such behavior may be legitimately used by the device's authorized user, they are classified by security programs as riskware because in the hands of unauthorized users, they can also be used to cause damage to the user's data or the device.

If you are confident that you are aware of the risks involved in using the program and consent to its use, you may choose to keep it installed on your device.

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