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  3. Android.Opfake.B


Risk Level 1: Very Low

February 23, 2012
February 24, 2012 9:02:50 AM
Infection Length:
Systems Affected:
Android.Opfake.B is a Trojan horse for the Android platform that may receive commands from a remote attacker to perform various functions.

Android package file
The Trojan may arrive as the following APK package:

Package name:
File names: BatteryOptimizer.apk, icq.apk, OperaMini65.apk, SkypeMobile.apk
Name: Installer
Version: 1.0

Antivirus Protection Dates

  • Initial Rapid Release version February 23, 2012 revision 033
  • Latest Rapid Release version June 24, 2014 revision 006
  • Initial Daily Certified version February 23, 2012 revision 032
  • Latest Daily Certified version February 15, 2013 revision 004
  • Initial Weekly Certified release date February 29, 2012
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Medium
  • Payload: May receive commands from a remote attacker to perform various functions.
  • Releases Confidential Info: Sends information about the compromised device to the remote attacker.


  • Distribution Level: Low
Writeup By: Yi Li and Asuka Yamamoto

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