Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%WINDIR%\<Virus name>.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\MUmfk.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://ok.##xking.cn/power.asp?my################
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- %WINDIR%\netcom.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\power[1].asp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\a715[1].txt
- %WINDIR%\concmd.dll
- %WINDIR%\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\MUmfk.exe
- %WINDIR%\<Virus name>.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\power[1].asp
Network activity:
Connects to:
- 'tu##.foxking.cn':80
- 'ok.##xking.cn':80
- 'localhost':1036
- 'localhost':1037
TCP:
HTTP GET requests:
- ok.##xking.cn/power.asp?my################
- tu##.foxking.cn/text/a715.txt
UDP:
- DNS ASK ok.##xking.cn
- DNS ASK tu##.foxking.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
