DefragglerShell.dll
DefragglerShell by Piriform Ltd (Signed)
Overview
There are 12 versions of defragglershell.dll in the wild, the latest version being 2.17.0.898. It adds a context menu to the Window's shell named DefragglerShellExtension. The average file size is about 164.43 KB. The file is a digitally signed and issued to Piriform Ltd by VeriSign. The programs Defraggler, CCleaner and Skype™ 6.9 have been observed as installing specific variations of defragglershell.dll.
About defragglershell.dll (from Piriform Ltd)
“Defraggler allow you to perform defragmentation of files on your hard disk. Defragmentation of your hard drive can significantly improve the performance of your computer. With this tool you can defrag”
 Details
|
| File name: | defragglershell.dll |
| Publisher: | Piriform Ltd |
| Product name: | DefragglerShell |
| Typical file path: | C:\Program Files\defraggler\defragglershell.dll |
| Certificate |
| Issued to: | Piriform Ltd |
| Authority (CA): | VeriSign |
| Effective date: | Tuesday, June 7, 2011 |
Programs installed in
(Note, the programs listed below are for all versions of DefragglerShell.)
Defraggler is a defragmentation utility which allows users to defragment individual files on their computer system. Defraggler can defragment individual files, groups of files (in a folder) or an enti...
CCleaner developed by Piriform, is a utility program used to clean potentially unwanted files and invalid Windows Registry entries from a computer. CCleaner supports the cleaning of temporary or poten...
Speccy is a tool that allows the user to see information about hardware and software of the computer. The information displayed by Speccy including processor brand and model, hard drive size and speed...
Skype is a proprietary Voice over IP service and software application. The service allows users to communicate with peers by voice using a microphone, video by using a webcam, and instant messaging ov...
Behaviors
(Note, the behaviors below are for all versions of defragglershell.dll, select a unique version for details.)
Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
- Name: 'DefragglerShellExtension'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
- 'DefragglerShellExtension' with CLSID {4380C993-0C43-4E02-9A7A-0D40B6EA7590}
All file variations of defragglershell.dll
Distribution by Windows OS
| OS version | distribution |
| Microsoft Windows XP |
50.00% |
|
| Windows Vista Home Basic |
13.04% |
|
| Windows Vista Home Premium |
13.04% |
|
| Windows 7 Home Premium |
6.52% |
|
| Windows 7 Professional |
4.35% |
|
| Windows Vista Ultimate |
4.35% |
|
| Windows Vista Business |
4.35% |
|
| Windows 8 Pro |
2.17% |
|
| Windows 7 Ultimate |
2.17% |
|
Distribution by country
United States installs about 66.67% of DefragglerShell.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Dell |
30.77% |
|
| Hewlett-Packard |
23.08% |
|
| Toshiba |
20.51% |
|
| Acer |
7.69% |
|
| Sahara |
5.13% |
|
| Gateway |
5.13% |
|
| Intel |
5.13% |
|
| American Megatrends |
2.56% |
|
