Ces X64frev

In the context of the Windows Kernel ( ntoskrnl ), usually stands for Code Evaluation System or Code Execution Sentinel . It is not a publicly documented API but rather an internal label for the routines responsible for Check Event Selection or Code Integrity Checks .

If you meant something like:

If you are troubleshooting this string on your own machine, follow this forensic approach: ces x64frev

Have a different technical string you need decoded? Submit it for analysis. In the context of the Windows Kernel (