BKDR_HUPIGON.TST
Windows 2000, XP, Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This backdoor opens a random port to allow a remote user to connect to the affected system. Once a successful connection is established, the remote user executes commands on the affected system.
TECHNICAL DETAILS
Random
356,864 bytes
PE
Yes
11 Nov 2010
Installation
This backdoor drops the following copies of itself into the affected system:
- %Program Files%\WindowsUpdate\winver.exe
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Autostart Technique
This backdoor registers itself as a system service to ensure its automatic execution at every system startup by adding the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
Type = 110
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
Start = 2
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
Start = 2
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
ErrorControl = 0
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
ImagePath = %Program Files%\WindowsUpdate\winver.exe
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
DisplayName = "Driver Management"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
ObjectName = "LocalSystem"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Creatr Driver Management
Description = "Creatr Driver Management Service."
Backdoor Routine
This backdoor opens a random port to allow a remote user to connect to the affected system. Once a successful connection is established, the remote user executes commands on the affected system.
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- mailexp.org
SOLUTION
8.900
7.612.05
11 Nov 2010
11/11/2010 12:00:00 AM
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
Restart in Safe Mode
Step 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
- Creatr Driver Management
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR_HUPIGON.TST. 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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