That is an actual system file found in the Path: %SYSTEMROOT%:\WINDOWS\winsxs\amd64_microsoft-windows-s..ive-blackbox-driver_31bf3856ad364e35_6.1.7600.16385_none_656773dac187bca2\
The information is found on several sites usually selling some program however as to where it is located. One site pointing the DLLSuite wanting you to download that to replace the file does have a bit on this file to look over however recommending a good security sweep with possible malware infection as the root cause. Fix spsys.sys error for Windows 7 Enterprise Edition 64-bit | DLLSuite
Despite that being Enterprise edition named there it is also found in the Ultimate edition by simply running the search for the file once you reach the "C:\Windows\winsxs\ " folder where you will find an endless list of AMD64- items. The search in the text box will run the search automatically to display the results.