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nnfwdk64.sys

NielsenOnline

The Nielsen Company

It runs as a Windows 64-bit kernel mode device driver named “Nielsen WFP Driver”.
Publisher:
The Nielsen Company  (signed and verified)

Product:
NielsenOnline

Description:
Nielsen Network Filter Driver

Version:
1.2.0.0r

MD5:
672ddcb4ac0f2d5b0b40e3b73dfaa2f8

SHA-1:
9a26a410cadb8079696afbabbb57c97464346376

SHA-256:
0fa41a76b4dccccfeb32004e2e649509814a4ce9ce518236d7602f52c6950c70

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
6/23/2025 4:21:35 PM UTC  (today)

File size:
26 KB (26,592 bytes)

Product version:
6.0.0.47

Copyright:
Copyright (c) 1997-2012 The Nielsen Company

Original file name:
nnfwdk".SYS

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Program Files\netratingsnetsight\netsight\meter5\nnfwdk64.sys

Digital Signature
Signed by:
The Nielsen Company

Authority:
VeriSign, Inc.

Valid from:
3/31/2012 5:00:00 PM

Valid to:
4/2/2013 4:59:59 PM

Subject:
CN=The Nielsen Company, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU=Online Engineering, O=The Nielsen Company, L=Oldsmar, S=Florida, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1E7B9772086D454F686D3D63BBF82E05

File PE Metadata
Compilation timestamp:
2/12/2013 12:52:19 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x3540

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, B3, 5A, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, AE, FE, FF, FF, CC, CC, CC, CC, CC, CC, 48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, 05, D7, 2B, 00, 00, 48, 8B, F9, 48, 8D, 0D, B5, 2B, 00, 00, 48, 8D, 1D, BE, 2B, 00, 00, 48, 3B, C1, 74, 45, 48, 3B, D8, 77, 40, 48, 8B, 43, 40, 48, 85, C0, 74, 18, 4C, 8B, 05, 5C, 38, 00, 00, 48, 8D, 0D, F3, 01, 00, 00, 4C, 8B, CB, 48, 8B, D7, FF, D0, EB, 12, 48, 8B, 15...
 
[+]

Entropy:
6.2213

Code size:
13.5 KB (13,824 bytes)

Driver
Display name:
Nielsen WFP Driver

Service name:
nnfwdk

Type:
Kernel device driver (KernelDriver)


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