fltkd.dll

FsFilter debugger extensions file version info

Library on Windows 4 known copies with hashes

Is it the real fltkd.dll?

file version info and known copies

Original namefilterkd.dll in the file’s header: a renamed copy still carries it

Installed inC:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\winxp\
C:\Program Files (x86)\Windows Kits\10\Debuggers\arm\winxp\
C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\winxp\

Signed byMicrosoft Windows Kits Publisher

ProductMicrosoft Windows Operating System, Microsoft Corporation

DescriptionFsFilter debugger extensions

4 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\winxp\fltkd.dll · signed by Microsoft Corporation

04827a3d822c1dbafa74fe294e4bc43ff7a580c7ad1b27d66d079e4082b701ed

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\arm\winxp\fltkd.dll · signed by Microsoft Windows Kits Publisher

b36ad39bb81b85b664992c56e33fb39135bcbaf3b061bdfddc055aad78580184

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\winxp\fltkd.dll · signed by Microsoft Windows Kits Publisher

c2494b5d54c33ce38b24e3fde824bb5ae338a3a977b4d639240d76791c15499c

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\x86\winxp\fltkd.dll · signed by Microsoft Corporation

db36dc975efb357b1e989764bec299b2789bf99890e86aedf9ccae9dfa9e8bf9

From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.