TROJ_KULUOZ.DW
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
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 executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
Installation
This Trojan drops the following copies of itself into the affected system:
- %Application Data%\{random}.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
Download Routine
This Trojan accesses the following websites to download files:
- http://{BLOCKED}.{BLOCKED}.247.182:84
- http://{BLOCKED}.{BLOCKED}.28.156
- http://{BLOCKED}.{BLOCKED}.95.133:84
- http://{BLOCKED}.{BLOCKED}.47.109
- http://{BLOCKED}.{BLOCKED}.78.241:84
- http://{BLOCKED}.{BLOCKED}.225.182
- http://{BLOCKED}.{BLOCKED}.240.152
- http://{BLOCKED}.{BLOCKED}.66.34:84
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
SOLUTION
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 and note files detected as TROJ_KULUOZ.DW
Step 3
Restart in Safe Mode
Step 4
Search and delete the file detected as TROJ_KULUOZ.DW
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_KULUOZ.DW. 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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