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dot3hc.dll

Dot3 Helper Class file version info

Library on Windows 2 known copies with hashes

Is it the real dot3hc.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionDot3 Helper Class

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\dot3hc.dll · signed by Microsoft Windows

8d7a75f800e43d9b6ffd1fdc2edd5dcc16075c803b20a29a9a37ef66729564b8

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\dot3hc.dll · signed by Microsoft Windows

d54e35a3b0086dcc793975ca417e7878d0011e40d83e590a35b4ff5bac02bf91

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.