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csfd_vw_1_10_0_20.sys

CS WFP Driver x64

Clever Search

The file csfd_vw_1_10_0_20.sys by Clever Search has been detected as a potentially unwanted program by 10 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “csfd_vw_1_10_0_20”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
CS  (signed by Clever Search)

Product:
CS WFP Driver x64

Version:
1.10.0.20

MD5:
f98055d62ec8271056bb709875acf611

SHA-1:
e145fe38fc17acf9b7fa2c58a3860db3d80ef360

SHA-256:
2cc2e2b0719967eb8f8da57d19969a63f3c912b05db0a3727f035bcd6a52cbee

Scanner detections:
10 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
8/2/2025 9:10:44 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
BrowseFox
2016.0.3024

Baidu Antivirus
Hacktool.Win64.NetFilter
4.0.3.1587

Dr.Web
Adware.Plugin.1137
9.0.1.0219

ESET NOD32
Win64/NetFilter.A potentially unsafe (variant)
9.12054

Fortinet FortiGate
Adware/NetFilter
8/7/2015

herdProtect (fuzzy)
variant of wafd_1_10_0_19.sys
2015.9.15.3

Malwarebytes
PUP.Optional.CleverSearch.A
v2015.08.07.03

McAfee
Artemis!F98055D62EC8
5600.6680

Reason Heuristics
PUP.CleverSearch (M)
15.8.7.15

VIPRE Antivirus
Trojan.Win32.Generic
42668

File size:
56.4 KB (57,736 bytes)

Product version:
1.10.0.20

Copyright:
Copyright (C) 2015

Original file name:
netfilter2.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\csfd_vw_1_10_0_20.sys

Digital Signature
Signed by:
Clever Search

Authority:
GlobalSign nv-sa

Valid from:
5/22/2015 10:04:10 PM

Valid to:
5/22/2017 10:04:10 PM

Subject:
E=support@cleversearchapp.com, CN=Clever Search, O=Clever Search, L=San Diego, S=California, C=US

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112109D15481699990AFAD5229F52C78CD6E

File PE Metadata
Compilation timestamp:
6/11/2015 7:36:32 AM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
768:4FuLnjaYiX/w5UOrFYcmHOeEZZ4XYuL54PEE9L9VSFhd9QqG93yz/kh1PrpV92fG:46vkRLW4XYuL57E0QZyz/kPn/

Entry address:
0x9BC0

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 33, 44, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, 16, DB, 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, 09, 25, 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:
41 KB (41,984 bytes)

Driver
Display name:
csfd_vw_1_10_0_20

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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