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SWF_RIGEK.LLV

December 09, 2016
 Analysis by: Byron Jon Gelera
 Modified by: Jennifer Gumban
 ALIASES:

VirTool:SWF/Injector.C (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

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 may be hosted on a website and run when a user accesses the said website.

It requires its main component to successfully perform its intended routine. It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size:

40,141 bytes

File Type:

SWF

Memory Resident:

No

Initial Samples Received Date:

22 Nov 2016

Payload:

Exploits vulnerabilities

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.

It may be hosted on a website and run when a user accesses the said website.

It may be downloaded from the following remote site(s):

  • http://ed.xggk.biz/f/cccc.swf
  • http://ed.xggk.biz/f/new1.swf
  • http://5.196.64.60:7575/f/2.swf
  • http://193.70.64.80

Other Details

This Trojan requires its main component to successfully perform its intended routine.

It takes advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine:

9.8

FIRST VSAPI PATTERN FILE:

12.916.04

FIRST VSAPI PATTERN DATE:

23 Nov 2016

VSAPI OPR PATTERN File:

12.917.00

VSAPI OPR PATTERN Date:

24 Nov 2016

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

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as SWF_RIGEK.LLV. 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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