CmdID / Files

System.IO.dll

System.IO file version info

Library on Windows 1 known copy with hashes

Is it the real System.IO.dll?

file version info and known copies

Installed inC:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\Facades\

Signed byMicrosoft Corporation

ProductMicrosoft .NET Framework, Microsoft Corporation

DescriptionSystem.IO

1 known copy

4.8.4084.0 · C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\Facades\System.IO.dll · signed by Microsoft Corporation

ee1cad83114405541c8a115710d4e26f72a41755c192bfa7220a3e2480e5be41

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.