Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
 
Relationships
     
    
        DefUtDCD.dll
Symantec Definition Utilities by Symantec Corporation (Signed)
| Version: | 4.4.0.60 | 
| MD5: | b8829488f068e82da2d7ea5f52d04546 | 
| SHA1: | 23b4bfb27565303da09055b1f34a62ed1e3f83d9 | 
| SHA256: | 7f7cf397c9e9800e7681df72b8532d1ca7a4a62b16b468091aec2649741f40f2 | 
Overview
defutdcd.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: | defutdcd.dll | 
| Publisher: | Symantec Corporation | 
| Product name: | Symantec Definition Utilities | 
| Typical file path: | C:\Program Files\norton internet security\engine\20.2.0.19\defutdcd.dll | 
| File version: | 4.4.0.60 | 
| Size: | 360.94 KB (369,600 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 | 
| Microsoft Windows XP | 33.33% |  | 
| Windows 7 Home Premium | 28.57% |  | 
| Windows Vista Home Premium | 14.29% |  | 
| Windows 8 Pro | 9.52% |  | 
| Windows 7 Home Basic | 4.76% |  | 
| Windows 8 Pro with Media Center | 4.76% |  | 
| Windows 7 Starter | 4.76% |  | 
 Distribution by country
Distribution by country
United States installs about 38.10% of Symantec Definition Utilities.
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Hewlett-Packard | 30.77% |  | 
| Toshiba | 30.77% |  | 
| Dell | 15.38% |  | 
| ASUS | 15.38% |  | 
| Acer | 7.69% |  |