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: | 3296f619c87228d73e9a8484280201b7 | 
| SHA1: | 4bea8fcb3ece9bd986fd576e31c0020332dc6a77 | 
| SHA256: | c6383135e1310586d6f58786f6674f82c5919dba7bcae7fe80364c531146bdb5 | 
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 program will install this file
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% |  |