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AppointmentApis.dll

DLL for CalendarRT file version info

Library on Windows 2 known copies with hashes

Is it the real AppointmentApis.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionDLL for CalendarRT

2 known copies

10.0.19041.264 (WinBuild.160101.0800) · C:\Windows\SysWOW64\AppointmentApis.dll · signed by Microsoft Windows

ebb6f44e648c8edde4acc75a0afc3d1930f7c85cfe2169c0a4717afde7a2f17d

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

6f6b44d9130e46bbb297cadb0092a5359a2a9224f29e65890af28901ad690bad

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.