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brfilterdrv.sys

NetFilter SDK

BR SOFTWARE LLC

The file brfilterdrv.sys, “NetFilter SDK TDI Hook Driver (WPP)” by BR SOFTWARE 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 “brfilterdrv”.
Publisher:
NetFilterSDK.com  (signed by BR SOFTWARE LLC)

Product:
NetFilter SDK

Description:
NetFilter SDK TDI Hook Driver (WPP)

Version:
1.4.4.6 built by: WinDDK

MD5:
b5eb3d62f14aac30131dfe494019ffab

SHA-1:
4ee1e7d977719289aaa6d0c827089b89cd60de2b

SHA-256:
4a3af38a07ee82970b91d678ee4ecd967bffa50843556da10422bdf4035ca369

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:
11/5/2024 2:23:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BR Software.BRSOFTWARE (M)
16.2.9.20

File size:
59.3 KB (60,736 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © NetFilterSDK.com

Original file name:
netfilter2.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
BR SOFTWARE LLC

Authority:
GoDaddy.com, Inc.

Valid from:
7/29/2014 1:21:02 AM

Valid to:
7/25/2015 3:54:16 PM

Subject:
CN=BR SOFTWARE LLC, O=BR SOFTWARE 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:
049125AABD28C8

File PE Metadata
Compilation timestamp:
7/23/2014 10:03:28 AM

OS version:
6.0

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
8.0

CTPH (ssdeep):
1536:AQR/aqEbeCXc9AfvSTl8KnaYCS7lfnRYeJTr3Q:HkqEb5s+89aYCS7JnRYeJTrQ

Entry address:
0x11008

Entry point:
48, 8B, 05, F1, D0, FF, FF, 49, B9, 32, A2, DF, 2D, 99, 2B, 00, 00, 48, 85, C0, 74, 05, 49, 3B, C1, 75, 2F, 4C, 8D, 05, D6, D0, FF, FF, 48, B8, 20, 03, 00, 00, 80, F7, FF, FF, 48, 8B, 00, 49, 33, C0, 49, B8, FF, FF, FF, FF, FF, FF, 00, 00, 49, 23, C0, 49, 0F, 44, C1, 48, 89, 05, AE, D0, FF, FF, 48, F7, D0, 48, 89, 05, AC, D0, FF, FF, E9, AB, A7, FF, FF, CC, CC, CC, B0, 10, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 18, 15, 01, 00, 10, D0, 00, 00, A0, 10, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, 15, 01, 00...
 
[+]

Code size:
46 KB (47,104 bytes)

Driver
Display name:
brfilterdrv

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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