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sxssrv.dll

Windows SxS Server DLL file version info

Library on Windows 1 known copy with hashes

Is it the real sxssrv.dll?

file version info and known copies
Original namesxssrv in the file’s header: a renamed copy still carries it
Installed inC:\Windows\system32\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWindows SxS Server DLL

1 known copy

10.0.19041.207 (WinBuild.160101.0800) · C:\Windows\system32\sxssrv.dll · signed by Microsoft Windows

b99151a18aaa83c0d6931245e6da250346f1a61b0f8f058123e47d9bc5c12be8

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.