TROJ_ALUREON.IF
Backdoor.Tidserv; Trojan:Win32/Alureon.DX; Trojan-Dropper.Win32.TDSS.gen; Mal/TDSSPack-Z
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan connects to a website to send and receive information.
It also has rootkit capabilities, which enables it to hide its processes and files from the user.
It deletes itself after execution.
TECHNICAL DETAILS
139,264 bytes
EXE
Yes
17 Nov 2010
Installation
This Trojan drops the following copies of itself into the affected system:
- %User Temp%\{random}.tmp
(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.)
Autostart Technique
This Trojan 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\{Random}
Imagepath = %UserTemp%\{random}.tmp
Backdoor Routine
This Trojan connects to the following websites to send and receive information:
- https://{BLOCKED}dden.in/
- https://{BLOCKED}b0.com/
- https://{BLOCKED}fda88.com/
- https://{BLOCKED}3.com/
- https://{BLOCKED}4cx00cc/
- https://{BLOCKED}b0.com/
- http://{BLOCKED}ixelabn.com/
- http://{BLOCKED}n0taeg.com/
- http://{BLOCKED}rehouse.com/
- http://{BLOCKED}tbaner.com/
- http://{BLOCKED}atator.com/
- http://{BLOCKED}yhks66.com/
Rootkit Capabilities
This Trojan also has rootkit capabilities, which enables it to hide its processes and files from the user.
Other Details
This Trojan deletes itself after execution.
SOLUTION
8.900
7.630.01
18 Nov 2010
11/18/2010 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
Scan your computer with your Trend Micro product and note files detected as TROJ_ALUREON.IF
Step 3
Restart in Safe Mode
Step 4
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
- {Random}
- {Random}
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_ALUREON.IF. 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.
Did this description help? Tell us how we did.