Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'svchost' = '%WINDIR%\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\start.exe
Malicious functions:
Creates and executes the following:
- '%WINDIR%\svchost.exe'
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'DisallowRun' = '00000001'
Modifies file system :
Creates the following files:
- %WINDIR%\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\start.exe
- %WINDIR%\svchost.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''