What is nnfwdk.sys?
nnfwdk.sys is part of NielsenOnline and developed by The Nielsen Company according to the nnfwdk.sys version information.
nnfwdk.sys's description is "Nielsen Network Filter Driver"
nnfwdk.sys is digitally signed by The Nielsen Company.
nnfwdk.sys is usually located in the 'c:\program files\netratingsnetsight\netsight\meter1\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about nnfwdk.sys.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on nnfwdk.sys:
| Property | Value |
|---|---|
| Product name | NielsenOnline |
| Company name | The Nielsen Company |
| File description | Nielsen Network Filter Driver |
| Internal name | nnfwdk |
| Original filename | nnfwdk".SYS |
| Legal copyright | Copyright (c) 1997-2008 The Nielsen Company |
| Product version | 5.2.4.13 |
| File version | 1.0.0.0r |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | NielsenOnline |
| Company name | The Nielsen Company |
| File description | Nielsen Network Filter Driver |
| Internal name | nnfwdk |
| Original filename | nnfwdk".SYS |
| Legal copyright | Copyright (c) 1997-2008 The Nielsen .. |
| Product version | 5.2.4.13 |
| File version | 1.0.0.0r |
Digital signatures [?]
nnfwdk.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | The Nielsen Company |
| Certificate issuer name | VeriSign Class 3 Code Signing 2009-2 CA |
| Certificate serial number | 2c0c3d58da49d54f98780e4085c08c54 |
VirusTotal report
None of the 41 anti-virus programs at VirusTotal detected the nnfwdk.sys file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | aa83dec1f4420ca4879528094fa055d8 |
| SHA256 | 8cc543d571ab36cf435a870aea129d9cb8b06b315a3b9c68a09d731348539041 |
What will you do with nnfwdk.sys?
To help other users, please let us know what you will do with nnfwdk.sys:
What did other users do?
The poll result listed below shows what users chose to do with nnfwdk.sys. 80% have voted for removal. Based on votes from 5 users.
NOTE: Please do not use this poll as the only source of input to determine what you will do with nnfwdk.sys. Only 5 users has voted so far so it does not offer a high degree of confidence.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.