TROJ_LOADER.FEKI

February 27, 2015
 Analysis by: Sammy Chua
 ALIASES:

Artemis!8273DB25E448 (McAfee); Trojan/W32.Forwarded.Gen (nProtect); PE:Trojan.HijcLpk!1.998A (Rising)

 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, Downloaded from the Internet

This Trojan may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not have any downloading capability.

It is used to load and execute a file.

  TECHNICAL DETAILS

File Size:

4,608 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

25 Feb 2015

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

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.

Other Details

This Trojan is used to load and execute the following file:

  • C:\Progra~1\Realtek\Audio\HDA\RtlUpdlib.dll - detected as BKDR_PROXY.TORYR

NOTES:

This Trojan is a fake language pack DLL file.

It does not have rootkit capabilities.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.500.08

FIRST VSAPI PATTERN DATE:

25 Feb 2015

VSAPI OPR PATTERN File:

11.501.00

VSAPI OPR PATTERN Date:

26 Feb 2015

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_LOADER.FEKI

Step 4

Restart in Safe Mode

[ Learn More ]

Step 5

Search and delete files detected as TROJ_LOADER.FEKI

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

Step 6

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