Analysis by: John Donnie Celestre
ALIASES:

HackTool:Win32/Keygen (MICROSOFT), TrojanProxy.Horst (Malwarebytes)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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.

  TECHNICAL DETAILS

File Size: 94,724 bytes
File Type: ZIP
Initial Samples Received Date: 27 Aug 2018

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.

Other Details

This Trojan does the following:

  • Contains the following possibly malicious file:
    • Adobe PhotoShop CS3 Extended Keygen + Activation.exe
  • Contains the following text:
    • "This file was downloaded from WWW.{BLOCKED}S.AM"

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 7.106.01
FIRST VSAPI PATTERN DATE: 16 Apr 2010
VSAPI OPR PATTERN File: 7.107.00
VSAPI OPR PATTERN Date: 17 Apr 2010

Scan your computer with your Trend Micro product to delete files detected as TROJ_HORST.JX. 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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