Analysis by: John Kevin Sanchez
 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.

  TECHNICAL DETAILS

File Size: 165,888 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 24 Jan 2017
Payload: Connects to URLs/IPs

Arrival Details

This Trojan may be dropped by the following malware:

Other Details

This Trojan does the following:

  • It is responsible for sending information about the infection back to the server:
      http://page/sam/{BLOCKED}x.php?selection={encrypted data}
      • {encrypted data} is the number of files that is overwriten by the malware. This is taken from the file %Windows%\inf\tyb6_s32.pnf, which is created by the wiper component TROJ_WIPMBR.D.
  • It is capable of receiving files from the remote server and execute it on the affected system.

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 13.178.02
FIRST VSAPI PATTERN DATE: 24 Jan 2017
VSAPI OPR PATTERN File: 13.179.00
VSAPI OPR PATTERN Date: 25 Jan 2017

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

Remove the malware/grayware file that dropped/downloaded TROJ_DISTTRACK.D. (Note: Please skip this step if the threat(s) listed below have already been removed.)

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_DISTTRACK.D. 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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