Analysis by: Clive Fuentebella
ALIASES:

Virus.Win32.Fujacks (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

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

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

Tamaño del archivo 81 bytes
Tipo de archivo INF
Residente en memoria No
Fecha de recepción de las muestras iniciales 01 Oct 2020
Carga útil Executes files

Arrival Details

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

It may be dropped by the following malware:

  • Virus.Win32.FUJACKS samples

Propagation

The said .INF file contains the following strings:

[AutoRun]
OPEN=setup.exe
shellexecute=setup.exe
shell\Auto\command=setup.exe

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • setup.exe

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 16.256.02
Primera fecha de publicación de patrones de VSAPI 29 Sep 2020
Versión de patrones OPR de VSAPI 16.257.00
Fecha de publicación de patrones OPR de VSAPI 30 Sep 2020

Step 1

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 2

Search and delete AUTORUN.INF files created by Trojan.INF.AUTORUN.MW that contain these strings

[ Learn More ]
  • [AutoRun]
    OPEN=setup.exe
    shellexecute=setup.exe
    shell\Auto\command=setup.exe

Step 3

Scan your computer with your Trend Micro product to delete files detected as Trojan.INF.AUTORUN.MW. 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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