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COINMINER_MALXMR.TIBAFZ-VBS

July 25, 2018
 Analysis by: John Donnie Celestre
 ALIASES:

VBS/Agent.aa (McAfee), VBS/Agent.NKG!worm (Fortinet)

 PLATFORM:

Windows

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

1,828 bytes

File Type:

VBS

Memory Resident:

No

Initial Samples Received Date:

29 Mar 2018

Arrival Details

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

Installation

This Coinminer creates the following folders:

  • %Appdata%\WindowsServices

Other Details

This Coinminer requires the following additional components to properly run:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.166.02

FIRST VSAPI PATTERN DATE:

02 Apr 2018

VSAPI OPR PATTERN File:

14.167.00

VSAPI OPR PATTERN Date:

03 Apr 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

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 to delete files detected as COINMINER_MALXMR.TIBAFZ-VBS. 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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