live casino online

TROJ_PDFKA.DQ

October 09, 2012
 Analysis by: Erika Bianca Mendoza

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan opens the non-malicious .PDF document so that the user does not suspect of any malicious activity in the system.

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be unknowingly downloaded by a user while visiting malicious websites.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

376,832 bytes

File Type:

PDF

Initial Samples Received Date:

07 Sep 2011

Payload:

Drops files

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This Trojan drops the following files:

  • %User Temp%\Winword.exe - TROJ_SYSWRT.DVD

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

It drops the following non-malicious file:

  • %User Temp%\Adobe.pdf
  • %Current Folder%\iso88591

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

Dropping Routine

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

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

Other Details

More information on this vulnerability can be found below:

Step 3

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\Adobe.pdf
  • %Current Folder%\iso88591

Step 4

Scan your computer with your live casino online product to delete files detected as TROJ_PDFKA.DQ. If the detected files have already been cleaned, deleted, or quarantined by your live casino online product, no further step is required. You may opt to simply delete the quarantined files. Please check this for more information.

NOTES:

For updates on available workarounds and patches for this vulnerability, please refer to the following page: