The file iw6mp64_ship.exe is the standard 64-bit executable for the Call of Duty: Ghosts
Trojans or malware
The safest way to acquire a "new" version of this file is through official distribution platforms. Downloading individual .exe files from third-party websites is highly discouraged as they are often bundled with .
"new download"
This is why so many users are looking for a — they hope a fresh, pre-patched .exe will bypass the crashes that occur with the vanilla Steam version.