Windows 10: What is Memory Compression.exe? Solved

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  1.    12 Jan 2017 #1

    What is Memory Compression.exe?


    this recently showed up in my process list, taking up a huge amount of RAM. it now doesn't take up so much memory, but it's still over 100Mb.

    i do understand memory compression. what bothers me is -

    1) it was never in my process list until about a week ago

    2) there is a space in the process title - it is literally "Memory Compression.exe"

    3) there is no information about it in my task manager (i use Anvir) - no product name, company, executable file, nothing except that the user is NT Authority System. none of the other processes on the list lack any of this information.

    4) i can't find any information about it online, which seems incredibly weird. none of the process definition sites i checked even had an entry for it.

    so what is it?
      My ComputerSystem Spec

  2.   My ComputerSystem Spec

  3.    12 Jan 2017 #3

    again, i do understand what memory compression is. i'm asking about that particular process, for the reasons i listed above - recent appearance, weird name, no info, etcetera.
      My ComputerSystem Spec

  4.   My ComputerSystem Spec

  5.    12 Jan 2017 #5

    no, that is not what i mean.

    "system" and "system idle process" have always been running. i do know what they are, and i know why they use the amount of RAM (and CPU %) that they do.

    my question refers to the specific process "Memory Compression.exe"
      My ComputerSystem Spec

  6.    12 Jan 2017 #6

    as seen here:

    Click image for larger version. 

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      My ComputerSystem Spec

  7.    12 Jan 2017 #7

    I know that. I searched for it, but can't find what it means exactly. The 2 I posted is what I found.
      My ComputerSystem Spec

  8.    12 Jan 2017 #8

    ok... i'll leave this marked as unsolved then, so maybe someone else can help.

    thanks anyway!
      My ComputerSystem Spec


  9. Posts : 1,467
    W7 Ultimate SP1 (64 bit), LM 18.1 MATE (64 bit), W10IP VM, W10 Home
       12 Jan 2017 #9

    OS Compression


    Isn't that the process that W10 uses to compress the OS?

    Tutorial
    https://www.tenforums.com/tutorials/...dows-10-a.html
      My ComputerSystem Spec

  10.    13 Jan 2017 #10

    using the compact /compactos:query prompt tells me that compression is turned off.

    the process was not listed in the task manager until last week or so. i can't find an online reference a process with that exact name anywhere, and it uses a lot of RAM even when i'm doing other things.

    Click image for larger version. 

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ID:	116976

    i guess my main concern is that it might be malware trying to look legitimate... (does anyone remember the lsass bug?)
      My ComputerSystem Spec


 
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