Email-Worm.Win32.Sircam.eb Insecure Permissions

Email-Worm.Win32.Sircam.eb malware suffers from an insecure permissions vulnerability.

Exploit/PoC:
C:\>cacls \Windupdt
C:\Windupdt BUILTIN\Administrators:(OI)(CI)(ID)F
            NT AUTHORITY\SYSTEM:(OI)(CI)(ID)F
            BUILTIN\Users:(OI)(CI)(ID)R
            NT AUTHORITY\Authenticated Users:(ID)C
            NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C