PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW



It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS




Download Routine


It saves the files it downloads using the following names:

  • %Windows%\e.vbs


It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.



Installation


It drops the following files:

  • %Windows%\Ot.bAT



Other Details


This IS the Trend Micro detection FOR:

  • Shortcut (.LNK) files that connect to a TFTP server in an attempt to download a .VBS file. The said server, however, is inaccessible.

  SOLUTION

Minimum Scan Engine: 8.900


Step 1
For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2
Search and delete this file
[ 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.
  • %Windows%Ot.bAT
  • %Windows%e.vbs


Step 3
Scan your computer with your Trend Micro product to delete files detected as LNK_DLOADER.BAT 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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