1. Symantec/
  2. Security Response/
  3. Android.Lockdroid.H


Risk Level 1: Very Low

March 16, 2016
March 18, 2016 2:25:57 PM
Infection Length:
Systems Affected:
Android.Lockdroid.H is a Trojan horse for Android devices that locks the screen and displays a ransom demand on the compromised device.

Android package file
The Trojan may arrive as a package with the following characteristics:

Package name: content-gormless.apk
Name: System Update

Once installed, the application will display a green icon with a white Android logo.

Antivirus Protection Dates

  • Initial Rapid Release version May 20, 2016 revision 034
  • Latest Rapid Release version September 22, 2016 revision 024
  • Initial Daily Certified version May 20, 2016 revision 049
  • Latest Daily Certified version September 22, 2016 revision 025
  • Initial Weekly Certified release date March 23, 2016
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Jason Pantig

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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