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quartz.dll

DirectShow Runtime. file version info

Library on Windows 2 known copies with hashes

Is it the real quartz.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionDirectShow Runtime.

2 known copies

10.0.19041.329 (WinBuild.160101.0800) · C:\Windows\SysWOW64\quartz.dll · signed by Microsoft Windows

f8ed3289569dc01570ce47f693062259374890ea49fc6debb52295fb746be108

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

d51fa2293a891739f74fb0d1252f4998a75f5df746ca4829dc63001a91e31989

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.