1. Joined : May 2016
    Posts : 32
    Windows 10
       19 Aug 2016 #1

    What is :WofCompressedData?


    I am trying to find out what WofCompressedData means.

    I have made two posts on answers.microsoft.com, but I've never gotten a clear answer (http://answers.microsoft.com/en-us/w...5-b9cb5982f7ce ; http://answers.microsoft.com/en-us/w...3-a0e92467be5d)

    A couple weeks ago, I did a MBAM Threat Scan on my desktop (nothing was found, I actually did a couple over that weekend and the following Monday as well... long story).

    During the scan I noticed that a lot of the system files were appended with ":WofCompressedData" (or even with ":WofCompressedData:WofCompressedData") at the end. I wasn't paying close enough attention before, but this was the first time I have noticed it. When I re-ran the scan on my desktop I saw WofCompressedData appear a lot. When I ran the scan on my laptop, I saw WofCompressedData, but far less frequently. Both computers run Windows 10 64-bit and both of them came out to be clean. The MBAM people ran had me run logs, and they couldn't find anything wrong.

    I wanted to know what WofCompressedData meant. On the first Answers thread, I was told "WofCompressedData file is a disc fragment file and can be deleted. This is created when virus scan is run on the computer." I asked them to confirm that there as nothing I should be worrying about with these files, but the user never ever returned to respond (and that forum doesn't have a private messaging system)

    MBAM and Kaspersky and Microsoft Safety Scanner all do not find any problems on my computer. On the second Answers thread, I was told to run sfc /scannow, but the user there did not respond after replying that SFC did not find any problems.

    I wanted to confirm that given all these clean reports that I should not be concerned about the ":WofCompressedData". Unfortunately, no one is giving me a clear answer (or sticking around after I reply)
      My System SpecsSystem Spec


  2. Joined : Oct 2014
    Trnava
    Posts : 1,713
    Windows Home x64
       20 Aug 2016 #2

    Maybe related to his? Do you have system compressed?

    WofShouldCompressBinaries function (Windows)

    Compact OS - Compress or Uncompress Windows 10 - Windows 10 Forums

    Compression can be also used for backups. Windows has many of them enabled by default.
      My System SpecsSystem Spec


  3. Joined : Aug 2015
    Posts : 825
    Win10/64 Pro 1511 (and 2 Win 7/64 Ult & Pro systems)
       20 Aug 2016 #3

    Hi:

    Also, see here.

    Cheers,
    MM
      My System SpecsSystem Spec


  4. Joined : May 2016
    Posts : 32
    Windows 10
       20 Aug 2016 #4

    Do you think I have anything to be worried about or should I just leave it alone. I see it on both my laptop and desktop, but I find no evidence of viruses or malware on either machine.

    My system is not compressed, but I do have System Restore points enabled.
      My System SpecsSystem Spec


  5. Joined : May 2016
    Posts : 32
    Windows 10
       20 Aug 2016 #5

    Anyone?
      My System SpecsSystem Spec


 

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