Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
- %WINDIR%\syswow64\drivers\beep.sys
- %WINDIR%\syswow64\ie7.exe
- %TEMP%\~sigou.bat
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\autorun.inf
- %WINDIR%\syswow64\ie7.exe
- %TEMP%\~sigou.bat
Deletes the following files
- %TEMP%\~sigou.bat
Substitutes the following files
- %TEMP%\~sigou.bat
Deletes itself.
Network activity
UDP
- DNS ASK ai##u8.cn
Miscellaneous
Searches for the following windows
- ClassName: 'AfxMDIFrame42s' WindowName: ''
Creates and executes the following
- '%WINDIR%\syswow64\ie7.exe' IE7
- '%WINDIR%\syswow64\ie7.exe' IE7' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c %TEMP%\~SiGou.bat' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c %TEMP%\~SiGou.bat
