[ VeraCrypt ]
https://www.veracrypt.fr/en/Downloads.html
(use the Installer version)

[ WideCharToMultiByte ]
https://docs.microsoft.com/en-us/windows/win32/api/stringapiset/nf-stringapiset-widechartomultibyte

[ StartUp Folder ]
Run: %APPDATA%
Then, goto:  Microsoft\Windows\Start Menu\Programs\Startup

[ GetTempPathA ]
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-gettemppatha

[ CreateFileA ]
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea

[ File Access Rights Constants ]
https://docs.microsoft.com/en-us/windows/win32/fileio/file-access-rights-constants

[ WriteFile ]
https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-writefile