Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, xmss.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Funny UST Scandal.avi.exe
- <Drive name for removable media>:\xmss.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Forces autoplay for removable media.
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\xmss.exe
- C:\Funny UST Scandal.avi.exe
- C:\autorun.inf
- %WINDIR%\autorun.inf
- %WINDIR%\xmss.exe
- %WINDIR%\Funny UST Scandal.exe
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\xmss.exe
- <Drive name for removable media>:\autorun.inf
- %WINDIR%\xmss.exe
- %WINDIR%\autorun.inf
- C:\xmss.exe
Deletes the following files:
- <Drive name for removable media>:\autorun.inf
- C:\autorun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'