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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

MD5:
68ce261ec98ca5f4ac76e5a1b4607a7a

SHA-1:
609d044839e346bcf01ee721a284480e78dfba4b

SHA-256:
c36c635c25c0b63e1e2b8e06a53ee0f3ded82c6e1fb53994050f08b83c1f0875

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 8:27:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BR Software
15.3.9.1

File size:
52.3 KB (53,576 bytes)

Product version:
6.2.9200.16384

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 5:32:40 PM

Valid to:
1/20/2016 5:32:40 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 7:58:24 PM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
768:kOOv3xtlwc9rUsCon4hPKPL+YLxrTlNmn+79oY4zlfOsAEd1D4KGK0:2t9QCCYLxrPqYU0sAE34vB

Entry address:
0x8D20

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, D3, 42, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, 02, DD, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 3B, 0D, 99, 23, 00, 00, 75, 12, 48, C1, C1, 10, 66, F7, C1, FF, FF, 75, 03, C2, 00, 00, 48, C1, C9, 10, E9, 08, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, B9, 02, 00, 00, 00, CD, 29, CC, CC, CC, CC, CC, CC, CC, CC, CC, B9, 08, 00, 00, 00, CD, 29, CC...
 
[+]

Code size:
36.5 KB (37,376 bytes)

Driver
Display name:
crfilterdrv

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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