Analysis by: Leidryn Saludez
ALIASES:

Trojan-Downloader.MSIL.Agent (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

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

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

Tamaño del archivo 37,376 bytes
Tipo de archivo EXE
Fecha de recepción de las muestras iniciales 25 Jun 2025
Carga útil Collects system information, Connects to URLs/IPs, Steals information

Arrival Details

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

Information Theft

This Backdoor gathers the following data:

  • OS Version
  • Local IP address
  • Host Name
  • Public IP address
  • IP location

Other Details

This Backdoor connects to the following URL(s) to get the affected system's IP address:

  • http://{BLOCKED}i.com

It connects to the following website to send and receive information:

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.205
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.34.bc.googleusercontent.com
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.241

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 20.288.01
Primera fecha de publicación de patrones de VSAPI 25 Jun 2025
Versión de patrones OPR de VSAPI 20.289.00
Fecha de publicación de patrones OPR de VSAPI 26 Jun 2025

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

Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win64.ANONDOOR.THFBFBE. 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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