CmdID / Files

api-ms-win-core-errorhandling-l1-1-1.dll

ApiSet Stub DLL file version info

Library on Windows 2 known copies with hashes

Is it the real api-ms-win-core-errorhandling-l1-1-1.dll?

file version info and known copies

Original nameapisetstub in the file’s header: a renamed copy still carries it

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

Signed byMicrosoft Windows

ProductMicrosoft Windows Operating System, Microsoft Corporation

DescriptionApiSet Stub DLL

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\downlevel\api-ms-win-core-errorhandling-l1-1-1.dll · signed by Microsoft Windows

15e0dca7ac18f4b91f4530f2d88b2837f5cde2929623a7218323d9dd6bf22878

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\downlevel\api-ms-win-core-errorhandling-l1-1-1.dll · signed by Microsoft Windows

a0955d9c85331203168d28b3f6137a4a28fdd8ffde2ee2ee8d507aa5d3c9669a

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.