Analysis by: John Rey Canon
ALIASES:

Adware:Win32/FileTour (Microsoft); Win.Coinminer.WinstarNssmMiner-6582727-1 (ClamAV)

 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

Canal de infección Dropped by other malware, Downloaded from the Internet

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

Tamaño del archivo 394,752 bytes
Tipo de archivo DLL
Residente en memoria No
Fecha de recepción de las muestras iniciales 18 May 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.

Other Details

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

NOTES:

This malware searches for the file data.bin in order to proceed to its coin mining routine.

  SOLUTION

Motor de exploración mínimo 9.850
Archivo de patrones de SSAPI: 14.258.06
Fecha de publicación del patrón SSAPI 18 May 2018
Primer archivo de patrones de VSAPI 14.259.00
Primera fecha de publicación de patrones de VSAPI 19 May 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

Scan your computer with your Trend Micro product to delete files detected as COINMINER_MALXMR.FLTMGR-WIN32. 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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