Memory leak in nonpaged “file” tag

memory leakwindows-server-2012-r2

I have a Windows 2012 R2 std. server with a memory leak. Something tells me that the leak started after we installed Symantic Endpoint protection 12.1.5 – but I am not sure. I tried to disable Symantic without any change to the memory leak.

Using RamMap I can see that The Nonpaged Pool grows ~1GB per day.
Using Poolmon, I can see that the “file” tag is the cause of the memory leak in the nonpaged pool.

How do I debug this further? I seems like “file” is a generic tag used for unknown files? Or I cant really search for that?

Any suggestion would be greatly appreciated..

Update:

Update: Memory Leak

Memory Leak 2

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