Analysis by: Kathleen Notario
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

File Size: 78,327 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 20 Jul 2010

Installation

This backdoor adds the following folders:

  • %Current%\ƒ_ƒEƒ“ƒ[ƒhƒf[ƒ^_ƒTƒ“ƒvƒ‹

Dropping Routine

This backdoor drops the following files:

  • %Current%\ƒ_ƒEƒ“ƒ[ƒhƒf[ƒ^_ƒTƒ“ƒvƒ‹\FMDT0201_”p”Ôƒf[ƒ^.dat
  • %Current%\ƒ_ƒEƒ“ƒ[ƒhƒf[ƒ^_ƒTƒ“ƒvƒ‹\FMDT0202_U‘Öƒf[ƒ^.dat
  • %Current%\ƒ_ƒEƒ“ƒ[ƒhƒf[ƒ^_ƒTƒ“ƒvƒ‹\FMDT5211_Šî–{î•ñiVol7Œ`Ž®j_1.dat

  SOLUTION

Minimum Scan Engine: 8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as BKDR_LINEAGE.HGN. 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.


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