If you have already executed this file, look for these symptoms: Sudden high CPU/RAM usage. New, unrecognized processes in Task Manager.

Next, "1158 mb" is the file size, which is over a gigabyte. That's quite large. If this were a real software patch, it's unusual to be that big. Also, the term "patched" suggests there's a modified version of the software, which could be a concern from a security standpoint.