Analysis by: John Rey Canon

 ALIASES:

Worm.NSIS.BitMin.d (KASPERSKY); Trojan.NSIS.Coinminer (IKARUS); NSIS/CoinMiner.Z trojan (NOD32)

 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.

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  TECHNICAL DETAILS

Tipo de compactação: 206,503 bytes
Tipo de arquivo: EXE
Residente na memória: Yes
Data de recebimento das amostras iniciais: 29 Aug 2019

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.

Other Details

This Coinminer requires the following additional components to properly run:

  • NsCpuCNMiner32.exe → mining software for 32bit
  • NsCpuCNMiner64.exe → mining software for 64bit
  • inetc.dll → NSIS PLUG-IN
  • pools.txt → list of pools

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  SOLUTION

Mecanismo de varredura mínima: 9.850
Primeiro arquivo padrão VSAPI: 15.332.04
Data do lançamento do primeiro padrão VSAPI: 29 Aug 2019
VSAPI OPR Pattern Version: 15.333.00
VSAPI OPR Pattern veröffentlicht am: 30 Aug 2019

Step 1

Trend Micro products with the XGen technology detect this malware as

[ Learn More ]

Step 2

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 3

Scan your computer with your Trend Micro product to delete files detected as Coinminer.Win32.MALXMR.TIAOODCV. 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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