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perf_onoff.dll

Performance Analyzer AddIn: On/Off file version info

Library on Windows 1 known copy with hashes

Is it the real perf_onoff.dll?

file version info and known copies
Installed inC:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\
Signed byMicrosoft Corporation
ProductMicrosoft Windows Performance Analyzer, Microsoft Corporation
DescriptionPerformance Analyzer AddIn: On/Off

1 known copy

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\perf_onoff.dll · signed by Microsoft Corporation

ad43c4506516312d293c73d579284b5e9ce5439505a3840e1bdc816ea14d1bfe

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.