Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
shellext.dll
Microsoft Security Essentials Shell Extension by Microsoft Corporation (Signed)
| Version: | 4.2.0216.0 |
| MD5: | 835592e2d03d6ca6ff5a8b775a9596bf |
| SHA1: | c51266acff00a4113f0bb67cf6446c813eabc697 |
Overview
shellext.dll is loaded as dynamic link library that runs in the context of a process. This is typically installed with the program Microsoft Security Essentials Prerelease published by Microsoft Corporation. The file is digitally signed by Microsoft Corporation.
Details
| 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: | 4.2.0216.0 |
| Size: | 335.67 KB (343,728 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
Programs
The following program will install this file
The Microsoft Security Essentials Prerelease program allows users to run the latest & greatest versions of Security Essentials before they are publicy available.
Behaviors
Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
- 'EPP' with CLSID {09A47860-11B0-4DA5-AFA5-26D86198A780}
Distribution by Windows OS
| OS version | distribution |
| 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 country
United States installs about 52.50% of Microsoft Security Essentials Shell Extension.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| 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% |
|
