Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '\winlogon.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '\winlogon.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\%USERNAME%.exe
- %HOMEPATH%\Start Menu\Programs\Startup\%USERNAME%.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
Malicious functions:
Creates and executes the following:
- 'C:\winlogon.exe'
Modifies file system :
Creates the following files:
- C:\winlogon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
- %HOMEPATH%\Start Menu\Programs\Startup\%USERNAME%.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\%USERNAME%.exe
Deletes the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\%USERNAME%.exe
- %HOMEPATH%\Start Menu\Programs\Startup\%USERNAME%.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
