Analysis by: John Rainier Navato
 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 infecção: Downloaded from the Internet, Dropped by other malware

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 does not have any propagation routine.

It does not have any backdoor routine.

It does not have any information-stealing capability.

  TECHNICAL DETAILS

Tipo de compactação: 181,477 bytes
Tipo de arquivo: PS1
Residente na memória: No
Data de recebimento das amostras iniciais: 10 Jan 2025
Carga útil: Injects malware

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.

Installation

This Trojan adds the following processes:

  • %System%\ipconfig.exe /flushdns
  • %System Root%\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Information Theft

This Trojan does not have any information-stealing capability.

Other Details

This Trojan does the following:

  • It clears the DNS cache of the affected machine
  • It reflectively loads a dll that will inject TrojanSpy.MSIL.XWORM.RGN to %System Root%\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  • It sets the clipboard value of the affected machine to three spaces (" ").

It does not exploit any vulnerability.

  SOLUTION

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 19.836.05
Data do lançamento do primeiro padrão VSAPI: 13 Jan 2025
VSAPI OPR Pattern Version: 19.837.00
VSAPI OPR Pattern veröffentlicht am: 14 Jan 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 Trojan.PS1.POWLOAD.I. 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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