what program has the letters wininet.dll?

Answer 1

DLL File: wininet or wininet.dll
DLL Name: Internet Extensions for Win32
Description:
wininet.dll is a module that contains Internet-related functions used by Windows applications.
Note: wininet.dll is a process which the Troj/Zlob-AO trojan tries to disguise itself as under the true process name of %systemroot%\mscornet.exe. This program is a registered security risk and should be removed immediately.

Answer 2

is a windows system file, it isn't specific to just one program