NfdHighlighter is a project mainly written in C++ and C, it's free.
Display explorer.exe overlay icon on the file that has NFD normalized file name
Display an icon over the file that has NFD normalized file name on Windows Explorer.
This tool support two combining characters only for now.
This tool is based on the source code of following article.
regsvr32 NfdHighlighter.dll
regsvr32 /u NfdHighlighter.dll