Decompressing file with gzip produces file with no read-permissions on Windows 7

Question

I am attempting to decompress a .gz file using the GnuWin32 gzip program in Windows 7. I have full permissions on the compressed file, and my user account is an administrator. However, I end up not having read permissions on the decompressed file. To get read permissions I would have to manually change the permissions on it through right-clicking and selecting Properties > Security. I am able to do this exact same thing with no permission problems in Windows XP, which leads me to believe that Windows 7's user account control system is causing problems. Does anyone know what I can do to make things work as I would expect (read permission on the decompressed file) in Windows 7?

Thanks.