BKDR_BIFROSE.FTJ
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
32,704 bytes
EXE
Yes
06 Jun 2012
Arrival Details
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This backdoor drops the following copies of itself into the affected system:
- %WINDOWS%\Resources\services.exe
Other System Modifications
This backdoor adds the following registry keys:
HKEY_CURRENT_USER\Software\services
pnp = {Hex Value}
HKEY_LOCAL_MACHINE\SOFTWARE\services
Ask = {Hex Value}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components\{05AEC6D8-881A-0CAB-D02D-9FCDF82279EF}
stubpath = "%WINDOWS%\Resources\services.exe"
Other Details
This backdoor connects to the following possibly malicious URL:
- www.{BLOCKED}r.3d-game.com
SOLUTION
9.200
9.176.02
06 Jun 2012
9.177.00
07 Jun 2012
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_CURRENT_USER\Software
- services
- services
- In HKEY_LOCAL_MACHINE\SOFTWARE
- services
- services
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components
- {05AEC6D8-881A-0CAB-D02D-9FCDF82279EF}
- {05AEC6D8-881A-0CAB-D02D-9FCDF82279EF}
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR_BIFROSE.FTJ. 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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