ALIASES:

Trojan:Java/SMSer.AD (Microsoft); Trojan:Java/FakeNotify.C (Fsecure)

 PLATFORM:

Windows Mobile, Symbian OS

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan targets Symbian users or devices that support MIDlets – Java 2 Platform Micro Edition (J2ME).

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

This Trojan sends text messages to premium-rate numbers which may result to unnecessary high phone charges. It affects the certain mobile devices that supports MIDlets.

This Trojan may be manually installed by a user.

  TECHNICAL DETAILS

File Size: 16.720 bytes
File Type: Java Class
Initial Samples Received Date: 24 Dec 2011

Arrival Details

This Trojan may be downloaded from the following remote sites:

  • http://{BLOCKED}pera.com
  • http://{BLOCKED}bi-down.com

It may be manually installed by a user.

NOTES:

This Trojan sends text messages to any of the following premium-rate numbers which may result to unnecessary high phone charges:

  • 0930399999
  • 1098
  • 1121
  • 1161
  • 1381
  • 1391
  • 1635
  • 1645
  • 17010
  • 17011
  • 17012
  • 17013
  • 1871
  • 1872
  • 1873
  • 1874
  • 1945
  • 19998866
  • 2322
  • 2855
  • 3302
  • 3303
  • 3304
  • 3336
  • 3339
  • 3858
  • 4126
  • 4127
  • 4128
  • 4129
  • 4152
  • 4153
  • 4156
  • 4157
  • 4545
  • 5040
  • 5339
  • 55886
  • 57575
  • 68305
  • 69067
  • 69991
  • 7151
  • 72170
  • 7796
  • 79067
  • 7910
  • 8013
  • 8014
  • 80888
  • 81015
  • 81185
  • 9090150
  • 9090199
  • 9151
  • 9683
  • 9684
  • 9685
  • 9818

It affects the following mobile devices that supports MIDlets:

  • Motorola
  • Nokia
  • Samsung
  • Siemens
  • Sony Ericsson

This Trojan may be downloaded from the following sites:

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.662.06
FIRST VSAPI PATTERN DATE: 24 Dec 2011
VSAPI OPR PATTERN File: 8.663.00
VSAPI OPR PATTERN Date: 24 Dec 2011

Step 1

Scan your computer with your Trend Micro product to delete files detected as J2ME_SMSSEND.E. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 2

Trend Micro has released an integrated solution for mobile devices, which provides automatic, real-time scanning to protect wireless devices against malicious code and viruses on the Web or hidden inside files.

For Trend Micro customers: You need to make sure that the Trend Micro Security Solution engine version you are using is 7.460 or later and that your scan pattern is updated the latest version. You may also want to download the latest pattern file for smartphones running on Symbian from this site.


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