TROJ_BREDOLAB.WF
Windows 98, ME, NT, 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be dropped by other malware.
It bears the file icons of certain applications to avoid easy detection and consequent removal.
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
It deletes itself after execution.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be dropped by other malware.
Installation
This Trojan drops the following file(s)/component(s):
- %User Temp%\{number}.tmp - detected as TROJ_DLOADR.SMVE
(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.)
It bears the file icons of the following applications:
- Microsoft Word
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 deletes itself after execution.
SOLUTION
Step 1
Remove malware files dropped/downloaded by TROJ_BREDOLAB.WF
Step 2
Scan your computer with your Trend Micro product to delete files detected as TROJ_BREDOLAB.WF. 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.
Step 3
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.
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