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SWF_EXPLOYT.LDBQ

July 03, 2014
 ALIASES:

Troj/SWFExp-DJ(Sophos), SWF/Exploit.ExKit.C(ESET-NOD32), Exploit:SWF/Fashack.G(Microsoft)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 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

The said site (where users can get this malware) may also be accessed by the following malware:

  • JS_OBFUS.VTGD

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.

  TECHNICAL DETAILS

File Size:

37,896 bytes

File Type:

SWF

Initial Samples Received Date:

19 Jun 2014

Payload:

Downloads files

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.

Download Routine

This Trojan downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.

NOTES:

The said site (where users can get this malware) may also be accesses by the following malware:

This Trojan receives the following parameters to download and execute a malicious file:

  • urli=http://{BLOCKED}a.{BLOCKED}turiverzi.ro/excodec/ybeastl/nslowu.php?id=4
  • exec=http://{BLOCKED}a.{BLOCKED}turiverzi.ro/excodec/ybeastl/mpocketa.php

This Trojan takes advantage of the following software vulnerabilities to download malicious files

The downloaded file is detected as TROJ_CARBERP.LPO

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.874.02

FIRST VSAPI PATTERN DATE:

20 Jun 2014

VSAPI OPR PATTERN File:

10.875.00

VSAPI OPR PATTERN Date:

20 Jun 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

Close all opened browser windows

Step 3

Remove malware/grayware files dropped/downloaded by SWF_EXPLOYT.LDBQ. (Note: Please skip this step if the threats listed below have already been removed.)

Step 4

Scan your computer with your Trend Micro product to delete files detected as SWF_EXPLOYT.LDBQ. 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.

Step 5

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.  http://helpx.adobe.com/security/products/flash-player/apsb14-13.html

NOTES:

Do the following as Step 2 of the Solution Process:

Remove the malware/grayware file that runs the crafted .SWF file SWF_EXPLOYT.LDBQ. (Note: Please skip this step if the threat(s) listed below have already been removed.)


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