Threat description




Trojan:Android/Voxv.B is a trojanized version of a popular game app that harvests and silently forwards sensitive details from the infected device to remote contacts.


Automatic action

When detected during scanning, F-Secure SAFE will prompt you for a desired action. You may assess the detected file and choose to Uninstall, Quarantine or keep it installed on your device. More information about these options can be found at Help Center: Assess files detected during scanning.

Technical Details

Trojan:Android/Voxv.B is a trojanized version of the legitimate and popular game app 2048 Puzzle. The trojan uses the same name and look as the original app, but requests more permissions than the legitimate game, including permission for writing, reading and sending SMS messages. Due to the similarity between the legimitate and trojanized apps, users would need to be alert to the additional permissions requested by the trojan to be able to differentiate between them.

Once installed, the trojan collects the following details from the device:

  • International Mobile Subscriber Identity (IMSI) number
  • International Mobile Equipment Identity (IMEI) number
  • Device type, brand, model and release version
  • Device ID, SIM serial number and phone number (line1)
  • API level and display type
  • List of installed apps

These details are silently forwarded to specified remote servers; some of the details are also sent via SMS to a specified phone number.

In addition to data harvesting, the trojan also checks the device for the presence of a specific app with the package name '' (LBE Security Master Application). This appears to be a security utility program intended for Chinese language users.

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