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FalseGuide Android Malware

Security researchers have recently identified new mobile malware hidden in more than forty fake game guide applications hosted on the Google Play store.
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Summary

Security researchers have recently identified new mobile malware hidden in more than forty fake game guide applications hosted on the Google Play store.

Affected platforms

The following platforms are known to be affected:

Threat details

The FalseGuide malware can be used to root an Android device, conduct a DDoS attack and penetrate private networks. At the time of publication, Google has removed the latest malicious FalseGuide apps from the Google Play store, however the malware authors have historically been able to successfully evade malicious code-scanning attempts so it is likely that FalseGuide will re-appear.

FalseGuide targets game guide apps because they are widely popular in the gaming community and require little development from the author. For malware authors this is a good way to reach a large audience with little effort. FalseGuide enrols infected devices into a silent botnet which can be used to launch DDoS attacks.

The following describes the FalseGuide attack in stages:

  1. At the time of app installation, FalseGuide asks for administrator permissions.
  2. The malware registers itself to a Firebase Cloud Messaging topic.
  3. FalseGuide receives messages containing links to additional malicious modules which are downloaded and installed on the infected devices.

Remediation steps

Type Step
  • Ensure an anti-virus application is installed on Android devices.
  • Read user reviews before installing an application, which may highlight anything suspicious.

Last edited: 17 February 2020 11:30 am