Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Ctfmon' = '%HOMEPATH%\SendTo\Ctfmon.exe Run'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Ctfmon.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Desktop.ini
- <Drive name for removable media>:\Music.exe
- <Drive name for removable media>:\BackGround.jpg
- <Drive name for removable media>:\DriveIcon.ico
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
Creates and executes the following:
- %HOMEPATH%\Templates\Ctfmon.exe Main
- %HOMEPATH%\SendTo\Ctfmon.exe Run
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\Autorun.inf
- C:\DriveIcon.ico
- C:\BackGround.jpg
- C:\Weblog.exe
- C:\Desktop.ini
- %HOMEPATH%\SendTo\Ctfmon.exe
- %HOMEPATH%\Templates\Ctfmon.exe
- C:\BackExplore.bmp
- %HOMEPATH%\SendTo\Desktop.Bmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\DriveIcon.ico
- <Drive name for removable media>:\Desktop.ini
- <Drive name for removable media>:\BackGround.jpg
- C:\Desktop.ini
- C:\DriveIcon.ico
- C:\BackExplore.bmp
- C:\BackGround.jpg
- C:\Autorun.inf
Deletes the following files:
- %TEMP%\~DFA044.tmp
- %TEMP%\~DFCAAA.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'WMP9DeskBand' WindowName: 'WMP9DeskBand'
- ClassName: '' WindowName: ''
- ClassName: 'Type32_Main_Window' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'ReBarWindow32' WindowName: ''
