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ucrtbase_clr0400.dll

Microsoft C Runtime Library file version info

Library on Windows 2 known copies with hashes

Is it the real ucrtbase_clr0400.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Visual Studio 2017, Microsoft Corporation
DescriptionMicrosoft C Runtime Library

2 known copies

14.10.25028.0 built by: VCTOOLSD15RTM · C:\Windows\SysWOW64\ucrtbase_clr0400.dll · signed by Microsoft Windows

aa416a9e707be8475051ff502d20077a687d14cf3ababf4959f489a3b5bfbf8b

14.10.25028.0 built by: VCTOOLSD15RTM · C:\Windows\system32\ucrtbase_clr0400.dll · signed by Microsoft Windows

cddf9a2bf085ae59ba464b3ba6394aacfc342da5f17d77fd5306054c8aabf153

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.