Should I block it?
No, this file is 100% safe to run.
 
Additional versions
 
Relationships
     
    
        dphftrex.dll
DigitalPersona, Inc. Fingerprint Recognition System by DigitalPersona (Signed)
| Version:    | 4.1.1.694 | 
| MD5:    | d33752f6180270b48aaec140a79aa95b | 
| SHA1:    | 7d32d6ed5b3b613c99594aa85d56b12b58aa8c6d | 
| SHA256:    | 77f2df516bd462f2a907f41c6bca7167a19983277652120a52be2f19beb80cb9 | 
What is dphftrex.dll?
Fingerprint Recognition Library - Features Extraction Component
About dphftrex.dll (from DigitalPersona)
“DigitalPersona offers software and complementary hardware products that make it practical and cost-effective for businesses of all sizes to use strong authentication to secure access to critical syste”
Details
| File name: | dphftrex.dll | 
| Publisher: | DigitalPersona, Inc. | 
| Product name: | DigitalPersona, Inc. Fingerprint Recognition System | 
| Description: | Fingerprint Recognition Library - Features Extraction Component | 
| Typical file path: | C:\Windows\System32\dphftrex.dll | 
| Original name: | dpFtrEx.dll | 
| File version: | 4.1.1.694 | 
| Size: | 508 KB (520,192 bytes) | 
| Build date: | 1/19/2008 9:11 PM | 
| Certificate | 
| Issued to: | DigitalPersona | 
| Authority (CA): | VeriSign | 
| Effective date: | Wednesday, April 21, 2010 | 
| Expiration date: | Tuesday, May 22, 2012 | 
| Digital DNA | 
| File packed: | No | 
| Code language: | Microsoft Visual C# / Basic .NET | 
| .NET CLR: | Yes | 
| .NET NGENed: | No | 
More details
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 
61.54% | 
 | 
| Windows 7 Professional | 
15.38% | 
 | 
| Windows Vista Home Premium | 
15.38% | 
 | 
| Windows 8 Pro with Media Center | 
7.69% | 
 | 
Distribution by country
United States installs about 53.85% of DigitalPersona, Inc. Fingerprint Recognition System.
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Hewlett-Packard | 
100.00% | 
 |