Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\piffile\shell\open\command] '' = '"%WINDIR%\help\tours\winxptr.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = '"%1" %*'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'Explorer.exe "%WINDIR%\Fonts\smss.exe"'
- [<HKLM>\SOFTWARE\Classes\lnkfile\shell\open\command] '' = '"%WINDIR%\debug\wpd\prtweb.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'kb' = '<DRIVERS>\AUTO.TXT'
- [<HKLM>\SOFTWARE\Classes\comfile\shell\open\command] '' = '"%WINDIR%\debug\wpd\prtweb.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\batfile\shell\open\command] '' = '"%WINDIR%\help\tours\winxptr.exe" "%1" %*'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Empty.pif
Creates the following files on removable media:
- <Drive name for removable media>:\AUTORUN.INF
- <Drive name for removable media>:\Open.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Executes the following:
- '%WINDIR%\explorer.exe'
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoClose' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'StartMenuLogoff' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSMHelp' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'Nofolderoptions' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoStartMenuMorePrograms' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRecentDocsMenu' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoDrives' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoControlPanel' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoControlPanel' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoShellSearchButton' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = ''
Modifies file system :
Creates the following files:
- C:\Open.exe
- %ALLUSERSPROFILE%\Documents\Music.exe
- C:\AUTORUN.INF
- %WINDIR%\Autorun.inf
- %WINDIR%\Fonts\smss.exe
- %WINDIR%\Help\Tours\winxptr.exe
Sets the 'hidden' attribute to the following files:
- C:\AUTORUN.INF
- <Drive name for removable media>:\Open.exe
- <Drive name for removable media>:\AUTORUN.INF
- %WINDIR%\Fonts\smss.exe
- %WINDIR%\Help\Tours\winxptr.exe
- C:\Open.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: '(null)'
- ClassName: 'Edit' WindowName: '(null)'
- ClassName: 'ComboBox' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Proactive Defense Alert'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'WorkerW' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'ComboBoxEx32' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Folder Options'
- ClassName: '(null)' WindowName: 'Registry Editor'
- ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Local Settings'
- ClassName: 'RebarWindow32' WindowName: '(null)'
- ClassName: 'CabinetWClass' WindowName: '(null)'
- ClassName: 'ExploreWClass' WindowName: '(null)'
