This PowerShell script will list certificates for local machine and current user certificate stores.
get-childitem -Path Cert:\ | foreach-object ({
$location = $_.Location
foreach($store in $_.StoreNames.Keys) {
get-childitem -Path "Cert:\$location\$store" | foreach-object ({
$thumb = $($_.ThumbPrint)
$issuer = $($_.Issuer)
write-host "$location $store $issuer"
})
}
}) 
