Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\htoad] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\RECYCLER\W
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- <SYSTEM32>\ntvdm.exe -f -i1
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\scs2.tmp
- %WINDIR%\b
- %WINDIR%\Help\iexplorer.htm
- %WINDIR%\<Virus name>.exe
- %WINDIR%\Temp\scs1.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
Deletes the following files:
- %WINDIR%\Temp\scs2.tmp
- %WINDIR%\Temp\scs1.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b20.b24.370001'