What is the "keyiso.dll" ? Variant 4505216

Our database contains 196 different files for filename keyiso.dll but this page contains information about single file with specific attributes. If you want to see general information about the keyiso.dll then visit General Information Page . You can also check most distributed file variants with name keyiso.dll. This file belongs to product Microsoft® Windows® Operating System and was developed by company Microsoft Corporation. This file has description CNG Key Isolation Service. This file is Dynamic-link Library. This library can be loaded and executed in any running process.

Product:: Microsoft® Windows® Operating System
Company:: Microsoft Corporation
Description:: CNG Key Isolation Service
Version:: 6.1.7100.0
MD5:: c56c81e20590959f0b419d867441fc50
SHA1:: e0f48f9ae5a456df818fdb8194d3c09929c44bb8
SHA256:: 2294f99081d29931782808a20b9bff7f8be039fddd96a0df6470b969926aa51f
Size:: 19456
Directory:: C:\Windows\System32
Operating System:: Windows 7
Occurence:: Medium

System Explorer Community Antivirus Report

This file was checked and tolerated by following antivirus shields :

Antivirus Name	Latest Toleration
360 Total Security	2016-08-28 22:44:44
AVG AntiVirus	2016-07-23 17:53:31
AVG Internet Security	2016-06-02 21:47:55
COMODO Antivirus	2016-05-11 20:12:43
avast! Antivirus	2016-02-15 17:02:34
AVG AntiVirus Free Edition	2015-12-20 11:33:55
Microsoft Security Essentials	2015-12-10 20:09:11
AVG AntiVirus Free Edition 2015	2015-12-10 20:09:11
Advanced SystemCare Ultimate	2015-11-04 22:41:39
ESET Endpoint Security 5.0	2015-10-23 15:43:28

Antivirus shields were enabled and have latest antivirus database.

Is the library "keyiso.dll" Safe or Threat ?

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Reviews for different files with filename "C:\Windows\System32\keyiso.dll"

SAFErating from user MikeOne for file C:\Windows\System32\keyiso.dll (Variant: 20160691)
This dynamic linking library serves as a resource of functions and methods for the CNG Key Isolation Service - this service is a genuine part of MS Windows Key Storage and Retrieval functionalities :
"CNG currently supports the storage of asymmetric private keys by using the Microsoft software KSP that is included with Windows Server 2008 and Windows Vista and installed by default. CNG stores the public portion of the stored key separately from the private portion. The public portion of a key pair is also maintained in the key isolation service and is accessed by using local remote procedure call (LRPC). The key storage router uses LRPC when calling into the key isolation process. All access to private keys goes through the private key router and is audited by CNG."
For more info for this functionality check the "Key Storage and Retrieval" pages on http://msdn.microsoft.com/en-us/library/windows/desktop/bb204778(v=vs.85).aspx and List of included functions with description on http://msdn.microsoft.com/en-us/library/windows/desktop/aa376208(v=vs.85).aspx

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