ANDROIDOS_FAKEAPP.SM


 ALIASES:

Android/Adware.AirPush.A (NOD32)

 THREAT SUBTYPE:

Information Stealer, Click Fraud

 PLATFORM:

Android OS

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Via app stores

This Android malware arrives as a fan-made application that tricks users into thinking that it is the same as the original. It displays advertisements upon installation.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

This malware arrives as a Trojanized Android application. Upon execution, it creates shortcuts pointing to ads sites on the device's home page. It does this by downloading details about its intended ads on certain sites.

This Trojan may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

APK

Initial Samples Received Date:

20 Feb 2012

Payload:

Displays ads

Arrival Details

This Trojan may be manually installed by a user.

NOTES:

This malware arrives as a Trojanized Android application.

Upon execution, it creates shortcuts pointing to ads sites on the device's home page. It does this by downloading details about its intended ads on the following sites:

  • www.{BLOCKED}dsettings.com
  • ad.{BLOCKED}boltapps.net

Below is an example of the created shortcuts:

Aside from home page shortcuts, it also displays advertisements via notifications:

It then reports infection by uploading information to the following C&C server:

  • http://api.{BLOCKED}push.com/v2/api.php

Sent information includes the following:

  • IMEI
  • Carrier
  • Network operator
  • Phone model
  • API Key
  • App Id
  • Token
  • Infection timestamp
  • Package name and version
  • Wifi information
  • User agent
  • Android ID

After executing its payload, it then displays the following fake notification to the user:

  SOLUTION

Minimum Scan Engine:

9.200

TMMS Pattern File:

1.193.00

TMMS Pattern Date:

28 Feb 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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