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cmifw.dll

Windows Defender Firewall rule configuration plug-in file version info

Library on Windows 2 known copies with hashes

Is it the real cmifw.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWindows Defender Firewall rule configuration plug-in

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\cmifw.dll · signed by Microsoft Windows

724727c863548fd91cf5a2fd9975e53702624e8a02219d4fac4909d172bd5671

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\cmifw.dll · signed by Microsoft Windows

9fbd89d8088a6a170a87b5f3e34dbef24665253fdec0df89aff83462bb28f936

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.