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ANDROIDOS_ADVINST.A

April 22, 2013
 Analysis by: Veo Zhang
 THREAT SUBTYPE:

Information Stealer, Malicious Downloader

 PLATFORM:

Android OS

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

File Size:

3354613 bytes

File Type:

APK

Memory Resident:

Yes

Initial Samples Received Date:

20 Apr 2013

Payload:

Steals information, Collects system information, Downloads files

NOTES:

This malware is integrated in several apps found in Google Play.

It connects to the following URL(s) to receive remote commands:

  • http://{BLOCKED}splay.net/api/adv.php
  • http://{BLOCKED}ays.com/api/adv2.php

These remote URLs can be updated.

It sends the following information to the remote server:

  • phone number
  • IMEI
  • device model information

The malware may receive the following commands from the remote server:

  • 'news' - pushes remote advertising information to the notification bar
  • 'showpage' - opens a webpage received from the remote server
  • 'install' - silently downloads malware disguised as an app into the SD card and then prompts for installation
  • 'showinstall' - pushes the downloaded app to the notification bar. Clicking the notification triggers the installation.
  • 'iconpage' - adds a short-cut on home screen to certain websites
  • 'iconinstall' - adds a short-cut on home screen to install certain apps

It downloads other malware onto the affected device, making it more vulnerable.

  SOLUTION

Minimum Scan Engine:

9.300

TMMS Pattern File:

1.453.00

TMMS Pattern Date:

23 Apr 2013

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