Analysis by: Adrian Cofreros

ALIASES:

Trojan:Win32/Lukicsel.I(Microsoft),a variant of Win32/Lukicsel.X(NOD32),HEUR:Trojan.Win32.Generic(Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This Trojan may be dropped by other malware.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not have any downloading capability.

  TECHNICAL DETAILS

File Size: 28,160 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 30 Oct 2014

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_LUKICSEL.VU

Installation

This Trojan drops the following non-malicious files:

  • %System%\crt.dat

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Download Routine

This Trojan does not have any downloading capability.

NOTES:

It is injected on 'svchost.exe' process by TROJ_LUKICSEL.VU.

It will delete itself (%System%\dll.dll).

It reads the component file %System%\shimg.dll and create an executable code on the same memory of the process it was injected. This serve as a configuration file on what it can perform on the affected system.

It does not have rootkit capabilities.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 11.244.08
FIRST VSAPI PATTERN DATE: 30 Oct 2014
VSAPI OPR PATTERN File: 11.245.00
VSAPI OPR PATTERN Date: 31 Oct 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Scan your computer with your Trend Micro product and note files detected as TROJ_LUKICSEL.VV

Step 4

Restart in Safe Mode

[ Learn More ]

Step 5

Remove malware/grayware files that dropped/downloaded TROJ_LUKICSEL.VV. (Note: Please skip this step if the threats listed below have already been removed.)

     
    • TROJ_LUKICSEL.VU

Step 6

Search and delete the file detected as TROJ_LUKICSEL.VV

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 7

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %System%\crt.dat

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_LUKICSEL.VV. 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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