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ackutil.dll

Application Certification Kit Utility file version info

Library on Windows 1 known copy with hashes

Is it the real ackutil.dll?

file version info and known copies
Installed inC:\Program Files (x86)\Windows Kits\10\App Certification Kit\
ProductWindows App Certification Kit, Microsoft Corporation
DescriptionApplication Certification Kit Utility

1 known copy

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\App Certification Kit\ackutil.dll · not signed

330877e9859c53f822f608131d6ed0361c11044745f70b1f79f9c60aebf828d5

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.