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TROJ_XDROP.RCD

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

149,015 bytes

File Type:

XLS

Memory Resident:

No

Initial Samples Received Date:

03 Sep 2010

Installation

This Trojan drops the following files:

  • %User Temp%\{malware file name}.xls - non-malicious
  • %User Temp%\genere.exe - detected as BKDR_POISON.ACI

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

Other Details

This Trojan opens the following applications:

  • Microsoft Excel

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.435.00

VSAPI PATTERN Date:

04 Sep 2010

VSAPI PATTERN Date:

9/4/2010 12:00:00 AM

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 files dropped/downloaded by TROJ_XDROP.RCD

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_XDROP.RCD. 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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