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TROJ_WIMMIE.BYE

October 09, 2012
 Analysis by: Karl Dominguez
 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.

  TECHNICAL DETAILS

File Size:

2,048 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

29 Dec 2011

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_PIDIEF.JSJ

Installation

This Trojan drops and executes the following files:

  • %User Temp%\~inst.vbs - VBS_WIMMIE.BYE

(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.)

  SOLUTION

Minimum Scan Engine:

9.200

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 the malware/grayware file that dropped/downloaded TROJ_WIMMIE.BYE

    • TROJ_PIDIEF.JSJ

Step 3

Remove malware files dropped/downloaded by TROJ_WIMMIE.BYE

    • TROJ_WIMMIE.BYE

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_WIMMIE.BYE. 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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