CmdID

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ptpprov.dll

PTP Time Provider file version info

Library on Windows 1 known copy with hashes

Is it the real ptpprov.dll?

file version info and known copies
Original namePtpProv in the file’s header: a renamed copy still carries it
Installed inC:\Windows\system32\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionPTP Time Provider

1 known copy

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

1fc6022c82c11533aa3a8cb2331e510fe7f914352142ea2a5ce8074b08047d98

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.