Analysis by: Homer Pacag
ALIASES:

W32/DoubleFantasy!tr (Fortinet);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: 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.

  TECHNICAL DETAILS

File Size: 110,672 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 18 Feb 2015

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.

NOTES:

This malware checks if it runs in a 32-bit or 64-bit operating system. It checks if file name is EE.DLL. It looks for %System%\actxprxy.dll and loads the said file.

It looks for the following files in the Windows system folder:

  • actprxy32.dll
  • actxprxyserv.dll
  • wshtcpip.dll
  • hdntcpip.dll
  • wstcpip.dll
  • credssp.dll
  • crdssp.dll
  • LI.dll
  • netshell.dll
  • midimapper.dll

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.488.05
FIRST VSAPI PATTERN DATE: 19 Feb 2015
VSAPI OPR PATTERN File: 11.489.00
VSAPI OPR PATTERN Date: 19 Feb 2015

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 TROJ_EQUATED.SMB. 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 this Knowledge Base page for more information.


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