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Microsoft.VisualC.STLCLR.dll

Microsoft C Runtime Library file version info

Library on Windows 1 known copy with hashes

Is it the real Microsoft.VisualC.STLCLR.dll?

file version info and known copies
Installed inC:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\
Signed byMicrosoft Windows
ProductMicrosoft .NET Framework, Microsoft Corporation
DescriptionMicrosoft C Runtime Library

1 known copy

12.00.52519.00 · C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\Microsoft.VisualC.STLCLR.dll · signed by Microsoft Windows

0c6e35ee2bcdeb1d6c51163066ca47697fe655f2a0f6cbd8353f7c0e8f018bff

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.