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adtschema.dll

Security Audit Schema DLL file version info

Library on Windows 2 known copies with hashes

Is it the real adtschema.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionSecurity Audit Schema DLL

2 known copies

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

b9be5d6d8badc9ca1fd86704763dc560c86dbae88db890d232965dbee436db88

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

c572d29090841bea4d361fea78770aea7abb5e217a2b44ae48e78c140adf6310

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.