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DiagSvc.dll

Microsoft Windows operating system file version info

Library on Windows 1 known copy with hashes

Is it the real DiagSvc.dll?

file version info and known copies
Installed inC:\Windows\system32\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMicrosoft Windows operating system

1 known copy

10.0.19041.388 (WinBuild.160101.0800) · C:\Windows\system32\DiagSvc.dll · signed by Microsoft Windows

d90e3a4c2f94f41c25b20d26c22c966a8b23ae9eff0a2dc3192d08fac9b8f865

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.