bthkd.dll

Microsoft Kernel Debugger Extensions (Bluetooth) file version info

Library on Windows 4 known copies with hashes

Is it the real bthkd.dll?

file version info and known copies

Installed inC:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\winext\
C:\Program Files (x86)\Windows Kits\10\Debuggers\arm\winext\
C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\winext\

Signed byMicrosoft Windows Kits Publisher

ProductMicrosoft Windows Operating System, Microsoft Corporation

DescriptionMicrosoft Kernel Debugger Extensions (Bluetooth)

4 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\winext\bthkd.dll · signed by Microsoft Corporation

05926c043ba0d9dd26f903289651f3ed19c788d6724a7abb024cb6620c4719bc

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\arm\winext\bthkd.dll · signed by Microsoft Windows Kits Publisher

2498ba9e97e63c03d88154c178a7913f4e666de755dcfb7f009f2f728d86ebc4

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\x86\winext\bthkd.dll · signed by Microsoft Corporation

5a848b7ccd0298bd003ef2d69658f756af2cd4d4a8ca705148dcf077819921b4

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Debuggers\arm64\winext\bthkd.dll · signed by Microsoft Windows Kits Publisher

6938488474cecc32cce11f751ee373e6b93ee5930cfd546157e73b5b72344e08

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.