I registered a sample Credential Provider with the following .reg file:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers\{5fd3d285-0dd9-4362-8855-e0abaacd4af6}]
@="SampleV2CredentialProvider"
[HKEY_CLASSES_ROOT\CLSID\{5fd3d285-0dd9-4362-8855-e0abaacd4af6}]
@="SampleV2CredentialProvider"
[HKEY_CLASSES_ROOT\CLSID\{5fd3d285-0dd9-4362-8855-e0abaacd4af6}\InprocServer32]
@="SampleV2CredentialProvider.dll"
"ThreadingModel"="Apartment"
and it appeared in the registry:
$base = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers"
Get-ChildItem $base | ForEach-Object {
$guid = $_.PSChildName
$name = (Get-ItemProperty $_.PSPath).'(default)'
$dll = (Get-ItemProperty "HKCR:\CLSID\$guid\InprocServer32" -ErrorAction SilentlyContinue).'(default)'
[PSCustomObject]@{
GUID = $guid
Name = $name
DLL = $dll
}
}
GUID Name DLL
---- ---- ---
{01A30791-40AE-4653-AB2E-FD210019AE88} Automatic Redeployment Credential Provider
{1b283861-754f-4022-ad47-a5eaaa618894} Smartcard Reader Selection Provider
{1ee7337f-85ac-45e2-a23c-37c753209769} Smartcard WinRT Provider
{2135f72a-90b5-4ed3-a7f1-8bb705ac276a} PicturePasswordLogonProvider
{25CBB996-92ED-457e-B28C-4774084BD562} GenericProvider
{27FBDB57-B613-4AF2-9D7E-4FA7A66C21AD} TrustedSignal Credential Provider
{3dd6bec0-8193-4ffe-ae25-e08e39ea4063} NPProvider
{48B4E58D-2791-456C-9091-D524C6C706F2} Secondary Authentication Factor Credential Provider
{5fd3d285-0dd9-4362-8855-e0abaacd4af6} SampleV2CredentialProvider
{600e7adb-da3e-41a4-9225-3c0399e88c0c} CngCredUICredentialProvider
{60b78e88-ead8-445c-9cfd-0b87f74ea6cd} PasswordProvider
{8AF662BF-65A0-4D0A-A540-A338A999D36F} FaceCredentialProvider
{8FD7E19C-3BF7-489B-A72C-846AB3678C96} Smartcard Credential Provider
{94596c7e-3744-41ce-893e-bbf09122f76a} Smartcard Pin Provider
{BEC09223-B018-416D-A0AC-523971B639F5} WinBio Credential Provider
{C5D7540A-CD51-453B-B22B-05305BA03F07} Cloud Experience Credential Provider
{C885AA15-1764-4293-B82A-0586ADD46B35} IrisCredentialProvider
{cb82ea12-9f71-446d-89e1-8d0924e1256e} PINLogonProvider
{D6886603-9D2F-4EB2-B667-1971041FA96B} NGC Credential Provider
{e74e57b0-6c6d-44d5-9cda-fb2df5ed7435} CertCredProvider
{f64945df-4fa9-4068-a2fb-61af319edd33} RdpCredentialProvider
{F8A0B131-5F68-486c-8040-7E8FC3C85BB6} WLIDCredentialProvider
{F8A1793B-7873-4046-B2A7-1F318747F427} FIDO Credential Provider
DLL was loaded into LogonUI.exe:

and logon screen displayed this:


