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COINMINER_MALXMR.TIDBFAQ-VBS

July 19, 2018
 Analysis by: Hazel Ann Poligratis
 ALIASES:

Troj/Miner-BH (Sophos_Lite), VBS/Agent.OGY (Panda)

 PLATFORM:

Windows

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

8,192 bytes

File Type:

VBS

Memory Resident:

Yes

Initial Samples Received Date:

18 Jul 2018

Arrival Details

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

Autostart Technique

This Coinminer drops the following file(s) in the Windows Common Startup folder to enable its automatic execution at every system startup:

  • %Start Menu%\Programs\Startup\helper.lnk

(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other Details

This Coinminer requires the following additional components to properly run:

  • installer.vbs
  • movemenoreg.vbs
  • WindowsServices.exe

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.388.07

FIRST VSAPI PATTERN DATE:

18 Jul 2018

VSAPI OPR PATTERN File:

14.389.00

VSAPI OPR PATTERN Date:

19 Jul 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

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete this file

[ 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.
  • %Start Menu%\Programs\Startup\helper.lnk

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as COINMINER_MALXMR.TIDBFAQ-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 this Knowledge Base page for more information.


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