Analysis by: Michael Cabel
 THREAT SUBTYPE:

Information Stealer, Malicious Downloader

 PLATFORM:

Android OS

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This backdoor may be manually installed by a user.

It runs certain commands that it receives remotely from a malicious user. Doing this puts the affected computer and information found on the computer at greater risk.

  TECHNICAL DETAILS

File Size: 90,828 bytes
File Type: DEX
Memory Resident: No
Initial Samples Received Date: 05 Jul 2011

Arrival Details

This backdoor may be manually installed by a user.

Backdoor Routine

This backdoor executes the following command(s) from a remote malicious user:

  • Install its service
  • Update its copy
  • Download and install application
  • Read and send SMS messages

It connects to the following URL(s) to send and receive commands from a remote malicious user:

  • http://svr.{BLOCKED}v.com/Notice/

NOTES:
Once connected,it steals the following information:

  • IMEI
  • IMSI
  • Location Information
  • Malware's Version Number
  • Model ID
  • Phone Number
  • SDK Version Number

  SOLUTION

Minimum Scan Engine: 8.900
TMMS Pattern File: 1.111.00
TMMS Pattern Date: 27 Jun 2011

NOTES:

Trend Micro Mobile Security Solution

Trend Micro Mobile Security Personal Edition protects Android smartphones and tablets from malicious and Trojanized applications. The App Scanner is free and detects malicious and Trojanized apps as they are downloaded, while SmartSurfing blocks malicious websites using your device's Android browser.

Download and install the Trend Micro Mobile Security App via the Android Market.

Remove unwanted apps on your Android mobile device

To remove unwanted apps on your mobile device:

  1. Go to Settings > Applications > Manage Applications.
  2. Locate the app to be removed.
  3. Scroll and highlight the app to be removed, then choose Uninstall.


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