Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,"%PROGRAM_FILES%\Windows Media Player\rcimlby.exe",%WINDIR%\AppPatch\smss.exe'
Malicious functions:
Creates and executes the following:
- '%PROGRAM_FILES%\Windows NT\FreeJapanAV.exe'
- '%WINDIR%\Temp\FreeJapanAV.exe'
- '%WINDIR%\Temp\player.exe'
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Windows NT\urls.xml
- %PROGRAM_FILES%\Windows NT\FreeJapanAV.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\japanav[1]
- %PROGRAM_FILES%\Windows NT\InstallShield.xml
- %WINDIR%\Temp\FreeJapanAV.exe
- %WINDIR%\Temp\player.exe
- %PROGRAM_FILES%\Windows NT\demo.mp4
- %PROGRAM_FILES%\Windows NT\FreeJapanAV.exe
Network activity:
Connects to:
- 'ja#####.game-host.org':80
- 'localhost':1036
TCP:
HTTP GET requests:
- ja#####.game-host.org/av1/japanav/
UDP:
- DNS ASK ja#####.game-host.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'M0zilla/5.0' WindowName: '%PROGRAM_FILES%\Windows NT\FreeJapanAV.exe'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'M0zilla/5.0' WindowName: '%WINDIR%\Temp\player.exe'
