Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
 
Relationships
     
    
        ducclib.dll
Symantec Definition Utilities by Symantec Corporation (Signed)
| Version: | 4.6.1.11 | 
| MD5: | 1b66bc4deb06d3c5475fe6bb6ec23356 | 
| SHA1: | 5e664d723c6017b8cc28054651084107fc79dfef | 
Overview
ducclib.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).
 Details
Details
| File name: | ducclib.dll | 
| Publisher: | Symantec Corporation | 
| Product name: | Symantec Definition Utilities | 
| Typical file path: | C:\Program Files\norton internet security\engine\20.2.0.19\ducclib.dll | 
| File version: | 4.6.1.11 | 
| Size: | 36.97 KB (37,856 bytes) | 
| Certificate | 
| Issued to: | Symantec Corporation | 
| Authority (CA): | VeriSign | 
| Effective date: | Monday, August 9, 2010 | 
| Digital DNA | 
| PE subsystem: | Windows GUI | 
| File packed: | No | 
| Code language: | Microsoft Visual C++ 9.0 | 
| .NET CLR: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 33.33% |  | 
| Microsoft Windows XP | 26.67% |  | 
| Windows 8 Pro | 13.33% |  | 
| Windows 7 Home Basic | 6.67% |  | 
| Windows 8 Pro with Media Center | 6.67% |  | 
| Windows 7 Starter | 6.67% |  | 
| Windows Vista Home Premium | 6.67% |  | 
 Distribution by country
Distribution by country
United States installs about 46.67% of Symantec Definition Utilities.
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Toshiba | 36.36% |  | 
| Hewlett-Packard | 27.27% |  | 
| Dell | 18.18% |  | 
| ASUS | 18.18% |  |