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keyiso.dll

CNG Key Isolation Service file version info

Library on Windows 2 known copies with hashes

Is it the real keyiso.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionCNG Key Isolation Service

2 known copies

10.0.19041.388 (WinBuild.160101.0800) · C:\Windows\SysWOW64\keyiso.dll · signed by Microsoft Windows

509097f40831889e50f092cef1c3a986c7d435b42e04d6e3b00c401765974a7f

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

0b92e3c62fd0729f8608ca812f2c78dc7c3608eb5dc9099572b14c4c568ec00b

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.