BKDR_HUPIGON.DHF
Backdoor:Win32/Hupigon.CY (Microsoft), Suspicious/Graybird.1 (Symantec), BackDoor-AWQ (McAfee), Backdoor.Win32.Hupigon.bhof (Kaspersky)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
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.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
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%\F_Server.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
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\FinalFantasy_Service
Type = "110"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
Start = "2"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
ErrorControl = "0"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
ImagePath = "%Windows%\F_Server.exe"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
ObjectName = "LocalSystem"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
Description = "FinalFantasy·þÎñ¶Ë³ÌÐò"
It registers as a system service to ensure its automatic execution at every system startup by adding the following registry keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\FinalFantasy_Service
Other Details
This backdoor deletes the initially executed copy of itself