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Coinminer.Win32.MALXMR.TIAOODCV

August 31, 2019
 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

File Size:

206,503 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

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

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.332.04

FIRST VSAPI PATTERN DATE:

29 Aug 2019

VSAPI OPR PATTERN File:

15.333.00

VSAPI OPR PATTERN Date:

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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