Analysis by: Erika Bianca Mendoza
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This worm uses icons similar to those of legitimate applications to entice a user to click them.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 04 Mar 2011

Installation

This worm drops and executes the following files:

  • %UserTemp%\~{character}.bat

Propagation

This worm uses icons similar to those of legitimate applications to entice a user to click them.

Other Details

This worm deletes itself after execution.

NOTES:
The dropped component file may be used by the malware to perform its malicious routines. This file is also deleted after execution.

  SOLUTION

Minimum Scan Engine: 8.900

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

Scan your computer with your Trend Micro product to delete files detected as WORM_ONLINEG.DIK. 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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