Analysis by: Rika Joi Gregorio

 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

This Trojan is known as the dispatcher module of the Regin components.

  TECHNICAL DETAILS

File Size: 393,216 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 25 Nov 2014

NOTES:

This Trojan is known as the dispatcher module of the Regin components. It may implement the following set of plugins:

  • API to manipulate VFS
  • Framework functionality
  • Network transport functionalities
  • RC5 encryption and decryption
  • Use of nrv2 family of algorithms for UCL library compression/decompression

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 11.302.05
FIRST VSAPI PATTERN DATE: 26 Nov 2014
VSAPI OPR PATTERN File: 11.303.00
VSAPI OPR PATTERN Date: 27 Nov 2014

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_REGIN.SMD. 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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