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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 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:
a6e14f22f93368b5684398c5fe90e2d3

SHA-1:
fa7ec39bca23e2134e4e7403adcaf0bf7da84c01

SHA-256:
ca7c21a130007724690998a08743520017813988da2d9a4907a2a769ccbc1952

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 3:44:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BR Software
15.3.9.1

File size:
42.8 KB (43,848 bytes)

Product version:
6.1.7600.16385

Copyright:
Copyright © NetFilterSDK.com

Original file name:
netfilter2.sys

File type:
Driver (Win32 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 7:48:31 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:AA8yTq48myeHDhu8lSzdK0gxzEziaH+JgrVxaGK6:AAvO4saD88AztgZEziaHp/3

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
29 KB (29,696 bytes)

Driver
Display name:
crfilterdrv

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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