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TROJ_DRPR.ZGD

October 09, 2012
 Analysis by: Lord Alfred Remorin
 ALIASES:

PWS:Win32/Briba.A (Microsoft)

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

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

79,360 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

17 Aug 2012

Arrival Details

This Trojan may be dropped by other malware.

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

Installation

This Trojan drops and executes the following files:

  • {All Users Profile}\Application Data\XpsFilter.dll - detected as BKDR_BRIBA.ZGD

Other Details

This Trojan deletes itself after execution.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

9.330.05

FIRST VSAPI PATTERN DATE:

17 Aug 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware/grayware files dropped/downloaded by TROJ_DRPR.ZGD

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_DRPR.ZGD. 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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