Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
| 9, 0, 1, 0 | 14.29% |  | 
| 9, 0, 1, 0 | 57.14% |  | 
| 9, 0, 1, 0 | 14.29% |  | 
| 9, 0, 1, 0 | 14.29% |  | 
(Note, Lavasoft Limited publishes each variation of this file with the same version, but the hashes are unique.)
 
Relationships
     
    
        shellext.dll
Shell Extension by Lavasoft Limited (Signed)
| Version: | 9, 0, 1, 0 | 
| MD5: | d557e34417045fe1ae75519930f3fa61 | 
| SHA1: | ecfab66e7fcd073e508f3aee9b238db54ba018e7 | 
| SHA256: | 61be558be14e2444a5fe45fdf732132fde045807f964cd6b2265b056a3c81000 | 
What is shellext.dll?
Ad-Aware is an anti-spyware and anti-virus program developed by Lavasoft that detects and removes malware, spyware and adware on a user's computer. According to Lavasoft, Ad-Aware detects spyware, computer viruses, dialers, Trojans, bots, rootkits, data miners, aggressive advertising, parasites, browser hijackers, and tracking components.
About shellext.dll (from Lavasoft Limited)
“Built upon our legendary anti-spyware and antivirus protection, Ad-Aware real-time web-filtering technology safeguards your PC against phishing attacks and online scams, allowing you to stay protected”
 Details
Details
| File name: | shellext.dll | 
| Publisher: | Lavasoft Limited | 
| Product name: | Shell Extension | 
| Description: | Shell Extension | 
| Typical file path: | C:\Program Files\lavasoft\ad-aware\shellext.dll | 
| Original name: | ShellExt.dll | 
| File version: | 9, 0, 1, 0 | 
| Size: | 481.78 KB (493,344 bytes) | 
| Certificate | 
| Issued to: | Lavasoft Limited | 
| Authority (CA): | VeriSign | 
| Effective date: | Thursday, January 27, 2011 | 
| Expiration date: | Sunday, January 27, 2013 | 
| Digital DNA | 
| PE subsystem: | Windows GUI | 
| Entropy: | 5.993757 | 
| File packed: | No | 
| Code language: | Microsoft Visual C++ 9.0 | 
| .NET CLR: | No | 
More details
 Programs
Programs
The following programs will install this file
This package installs Microsoft fixes and enhancements for the Microsoft 7 Operating Systems, as well as providing other fixes and enhancements that are specific to the listed notebook models. These fixes and enhancements are required to improve the performance of these notebook models. 
 
Ad-Aware is an anti-spyware and anti-virus program developed by Lavasoft that detects and removes malware, spyware and adware on a user's computer. According to Lavasoft, Ad-Aware detects spyware, computer viruses, dialers, Trojans, bots, rootkits, data miners, aggressive advertising, parasites, browser hijackers, and tracking components.
 
 Behaviors
Behaviors
Context menu handler
Located in '*\shellex\ContextMenuHandlers'
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Microsoft Windows XP | 28.57% |  | 
| Windows 7 Professional | 14.29% |  | 
| Windows XP Professional | 14.29% |  | 
| Windows 7 Ultimate | 14.29% |  | 
| Windows 8 Pro | 14.29% |  | 
| Windows 7 Home Premium | 14.29% |  | 
 Distribution by country
Distribution by country
United States installs about 60.00% of Shell Extension                                              .
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| ASUS | 50.00% |  | 
| Dell | 50.00% |  |