This reminded me about an interview to an adware author, in which he told a story about creating unwritable registry keys and file names 'by exploiting an “impe

This reminded me about an interview to an adware author, in which he told a story about creating unwritable registry keys and file names 'by exploiting an “impedance mismatch” between the Win32 API and the NT API': http://philosecurity.org/2009/01/12/interview-with-an-adware-author http://philosecurity.org/2009/01/12/interview-with-an-adware... The adware registered a key in the Windows Registry with Null unicode in the middle of the string so that the UI of Windows failed to display or modify that string.