Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.5.0216.0 5.91%
4.4.0304.0 3.26%
4.4.0304.0 0.60%
4.3.0219.0 5.19%
4.3.0219.0 3.50%
4.3.0216.0 2.05%
4.3.0216.0 1.33%
4.3.0215.0 2.90%
4.3.0215.0 1.09%
4.2.0223.0 17.61%
4.2.0223.0 14.35%
4.2.0216.0 0.12%
4.2.0216.0 0.36%
4.1.0522.0 16.89%
4.1.0522.0 15.92%
4.0.1526.0 0.12%
4.0.1526.0 1.45%
2.1.1116.0 1.57%
2.1.1116.0 2.29%
2.0.0657.0 0.72%
2.0.0657.0 2.05%
1.0.1611.0 0.60%
1.0.1495.0 0.12%

Relationships

shellext.dll

Microsoft Security Essentials Shell Extension by Microsoft Corporation (Signed)

Remove shellext.dll
Version:   4.2.0223.0
MD5:   a57fbe87b01c1383032aca6793ff30b7
SHA1:   b68350c3dc6427de0edd20aa1d4c5c1963d82a04
SHA256:   29258b6e70283a8d787251839c8299c824ee586d6dafd2b7f1b027a160cfcb4b

Overview

shellext.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Microsoft Security Essentials published by Microsoft Corporation, Microsoft Security Essentials Prerelease from Microsoft Corporation and Microsoft Security Essentials Prerelease by Microsoft Corporation. The file is digitally signed by Microsoft Corporation.

DetailsDetails

File name:shellext.dll
Publisher:Microsoft Corporation
Product name:Microsoft Security Essentials Shell Extension
Typical file path:C:\Program Files\microsoft security essentials\shellext.dll
Original name:ShellExt.exe.mui
File version:4.2.0223.0
Size:336.08 KB (344,144 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Monday, July 13, 2009
Expiration date:Wednesday, October 13, 2010
Digital DNA
Entropy:5.534282
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Microsoft Corporation
8% remove
Microsoft Security Essentials is an antivirus software product that provides protection against different types of malware such as computer viruses, spyware, rootkits and Trojan horses. It runs on Windows XP, Windows Vista and Windows 7, but not on Windows 8, which has a built-in AV component. Built upon the same virus definitions and scanning engine as other Microsoft antivirus products, MSE provides real-time protection, constantly mo...
Microsoft Corporation
1% remove
The Microsoft Security Essentials Prerelease program allows users to run the latest & greatest versions of Security Essentials before they are publicy available.
Microsoft Corporation
5% remove
Security and management have traditionally existed as two separate disciplines, yet both play a central role in keeping your users safe and productive. Microsoft System Center 2012 Endpoint Protection (previously known as Forefront Endpoint Protection) allows you to consolidate desktop security and management in a single solution. Built on System Center 2012 Configuration Manager, System Center 2012 Endpoint Protection provides a sin...
Microsoft Corporation
1% remove
Microsoft Forefront is a family of line-of-business security software that are designed to help protect computer networks, network servers (such as Microsoft Exchange Server and Microsoft SharePoint Server) and individual devices.
Microsoft Corporation
1% remove
Manage PCs and multiple types of mobile devices in one unified solution, either through the cloud or by extending your existing on-premises infrastructure. Whether using corporate or employee-owned devices, Windows Intune helps provide a security-enhanced environment with comprehensive update and policy management. Use Windows Intune to give employees access to the resources and applications they need on the devices they choose without ...

BehaviorsBehaviors

Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • Name: 'EPP'
  • Name: 'MSSE'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'EPP' with CLSID {09A47860-11B0-4DA5-AFA5-26D86198A780}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 57.00%
Windows 7 Ultimate 17.00%
Windows 7 Professional 10.50%
Microsoft Windows XP 9.50%
Windows Vista Home Premium 5.00%
Windows Vista Ultimate 1.00%

Distribution by countryDistribution by country

United States installs about 52.50% of Microsoft Security Essentials Shell Extension.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 29.12%
Hewlett-Packard 14.94%
ASUS 13.03%
Acer 10.34%
Toshiba 6.13%
Sony 6.13%
Intel 4.60%
Lenovo 3.83%
Compaq 3.07%
GIGABYTE 1.92%
Gateway 1.53%
MSI 1.53%
NEC 1.53%
Samsung 0.77%
Sahara 0.77%
American Megatrends 0.77%
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