AndroidOS_OPfake.E

October 09, 2012
 Analysis by: Veo Zhang
 THREAT SUBTYPE:

Premium Service Abuser, Malicious Downloader

 PLATFORM:

Android OS

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Via app stores, Downloaded from the Internet

This Trojan may arrive using one or multiple arrival methods.

  TECHNICAL DETAILS

File Size:

53,892 bytes

File Type:

APK

Memory Resident:

Yes

Initial Samples Received Date:

09 Jul 2012

Payload:

Sends SMS to premium service, Downloads files

Arrival Details

This Trojan arrives via the following means:

  • cover itself as normal app to attract user installing it.

Propagation

This Trojan sends the following message(s):

35123922nu361190123711983.1/230377 to 1899
853313rn6543611hp37155909.1/230377 to 1151
861231754436112253763657.1/230377 to 5537

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}e.net/?u=www.{BLOCKED}4free.ru%2Fgames%2Fextreme_formula%2FExtreme_Formula_v1.1.4.apk%3Fdl

  SOLUTION

Minimum Scan Engine:

9.200

TMMS Pattern File:

1.271.00

TMMS Pattern Date:

26 Jul 2012

Step 1

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 Google Play.

Step 2

Remove unwanted apps on your Android mobile device

[ Learn More ]

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