Analysis by: Maureen Reyes
ALIASES:

Backdoor.Korplug (Norton)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This Trojan arrives as a component bundled with malware/grayware packages.

It is a component of other malware.

  TECHNICAL DETAILS

File Size: 43,520 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 17 Jul 2018

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

Installation

This Trojan is a component of other malware.

Other Details

This Trojan does the following:

  • It loads the malicious code of BKDR_TGNDIS.ZYFG-A into the memory of an executable.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.414.06
FIRST VSAPI PATTERN DATE: 31 Jul 2018
VSAPI OPR PATTERN File: 14.415.00
VSAPI OPR PATTERN Date: 01 Aug 2018

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

Remove malware/grayware files dropped/downloaded by TROJ_TGNDIS.ZYFG-A. (Note: Please skip this step if the threats listed below have already been removed.)

    • BKDR_TGNDIS.ZYFG-A

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_TGNDIS.ZYFG-A. 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 the following Trend Micro Support pages for more information:


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