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crfilterdrv.sys

Windows Win 7 DDK driver

RELATED DEALS LLC

The file crfilterdrv.sys, “NetFilter SDK WFP Driver (WPP)” by RELATED DEALS has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows 64-bit kernel mode device driver named “crfilterdrv”.
Publisher:
Windows (R) Win 7 DDK provider  (signed by RELATED DEALS LLC)

Product:
Windows (R) Win 7 DDK driver

Description:
NetFilter SDK WFP Driver (WPP)

Version:
1.4.5.2 built by: WinDDK

MD5:
fdddabc83bb5fb70e8bf481748b32b26

SHA-1:
4083862c04b2271ca229eb22d47dbfbd12dd2687

SHA-256:
400305c9fa96eb621fd2362e02f86cfa6e019e18239e06283d273bfa0a254480

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/13/2025 8:27:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BR Software
15.3.9.1

File size:
50.3 KB (51,528 bytes)

Product version:
6.1.7600.16385

Copyright:
Copyright © NetFilterSDK.com

Original file name:
netfilter2.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\crfilterdrv.sys

Digital Signature
Signed by:
RELATED DEALS LLC

Authority:
GoDaddy.com, Inc.

Valid from:
1/20/2015 7:32:40 PM

Valid to:
1/20/2016 7:32:40 PM

Subject:
CN=RELATED DEALS LLC, O=RELATED DEALS LLC, L=Lewes, S=Delaware, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
00A8349F381573931D

File PE Metadata
Compilation timestamp:
10/30/2014 9:48:33 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l1dcG3mo+ORkDT32w9caPeQakkjS9o7RoQnpu9kIMJbICTDihwlZDzuGKl:Nn3mhqgzPeQJkjYoPTDi2nD8

Entry address:
0xD064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, E2, 40, FF, FF, CC, CC, 78, D2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, D6, 00, 00, A0, A1, 00, 00, 28, D1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, DA, 00, 00, 50, A0, 00, 00, D8, D0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, DB, 00, 00, 00, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, DB, 00, 00, 00, 00, 00, 00, A2, DB, 00, 00...
 
[+]

Code size:
37.5 KB (38,400 bytes)

Driver
Display name:
crfilterdrv

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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