Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\piffile\shell\open\command] '' = '"%WINDIR%\winxp.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\lnkfile\shell\open\command] '' = '"%WINDIR%\winxp.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\comfile\shell\open\command] '' = '"%WINDIR%\winxp.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\batfile\shell\open\command] '' = '"%WINDIR%\winxp.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'Explorer.exe "%WINDIR%\winxp.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winxp' = '%WINDIR%\winxp.exe'
- [<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = '"%WINDIR%\winxp.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%WINDIR%\winxp.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\AUTORUN.INF
- <Drive name for removable media>:\winxp.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Terminates or attempts to terminate
the following user processes:
- MCAGENT.EXE
Modifies settings of Windows Explorer:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'Nofolderoptions' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoClose' = ''
Modifies file system :
Creates the following files:
- C:\Win Firewall.txt
- C:\winxp.exe
- C:\AUTORUN.INF
- %WINDIR%\Autorun.inf
- %WINDIR%\winxp.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\winxp.exe
- <Drive name for removable media>:\AUTORUN.INF
- C:\AUTORUN.INF
- %WINDIR%\winxp.exe
- C:\winxp.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'Local Settings'
- ClassName: 'ExploreWClass' WindowName: ''
- ClassName: 'CabinetWClass' WindowName: ''
- ClassName: 'RegEdit_RegEdit' WindowName: ''
- ClassName: '' WindowName: 'Registry Editor'
- ClassName: '' WindowName: 'Folder Options'
- ClassName: 'Edit' WindowName: ''
- ClassName: '#32770' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'RebarWindow32' WindowName: ''
- ClassName: 'ComboBoxEx32' WindowName: ''
- ClassName: 'ComboBox' WindowName: ''
- ClassName: '' WindowName: 'Enable Multi-user Settings'
- ClassName: '' WindowName: 'search results'
- ClassName: '' WindowName: 'Network Connections'
- ClassName: '' WindowName: 'Print'
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'Control Panel'
- ClassName: '' WindowName: 'Administrative Tools'
- ClassName: '' WindowName: 'Confirm Multiple File Delete'
- ClassName: '' WindowName: 'Fonts'
- ClassName: '' WindowName: 'ODBC Data Source %USERNAME%'
- ClassName: '' WindowName: 'Windows Task Manager'
- ClassName: '' WindowName: 'Confirm File Delete'
- ClassName: '' WindowName: 'Confirm Folder Delete'
