CmdID / Files

AcSpecfc.dll

Windows Compatibility DLL file version info

Library on Windows 2 known copies with hashes

Is it the real AcSpecfc.dll?

file version info and known copies

Installed inC:\Windows\system32\
C:\Windows\SysWOW64\

Signed byMicrosoft Windows

ProductMicrosoft Windows Operating System, Microsoft Corporation

DescriptionWindows Compatibility DLL

2 known copies

10.0.19041.423 (WinBuild.160101.0800) · C:\Windows\system32\AcSpecfc.dll · signed by Microsoft Windows

267e40d9cab77a1791a2e113e01d8aaf3195390937e58b47bf24e7154c44c7ca

10.0.19041.423 (WinBuild.160101.0800) · C:\Windows\SysWOW64\AcSpecfc.dll · signed by Microsoft Windows

a41487e8cc137b0a36c820572294f81de5ce697da328e4890fd585b806b32cff

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.