home

{f40cc14b-0f67-44b4-a17e-03e43df8e712}w.sys

Follow Rules

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f40cc14b-0f67-44b4-a17e-03e43df8e712}w.sys by Follow Rules has been detected as adware by 28 anti-malware scanners. It runs as a Windows kernel mode device driver named “{f40cc14b-0f67-44b4-a17e-03e43df8e712}w”. 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:
StdLib  (signed by Follow Rules)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
2f30eb9618f2de24e946737490b36c35

SHA-1:
878a044bd8b0ea3b0e56a1b1eec809579be68e2f

SHA-256:
f890329be0047436b23c4031e5eb4019d21720bf7b98b368a833462a026b54d9

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:43:30 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
5774621

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.176.146

avast!
MSIL:BrowseFox-S [PUP]
150414-0

AVG
Generic
2016.0.3125

Bitdefender
Adware.BrowseFox.V
1.0.20.590

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/20387

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21248

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4799

ESET NOD32
Win32/Komodia.A potentially unsafe (variant)
9.11249

F-Prot
W32/A-248e95ab
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
5.13.68

G Data
Adware.BrowseFox
15.4.25

herdProtect (fuzzy)
variant of {e9bebce7-deb3-4ab9-896c-549739f208c5}gw.sys (Adware)
2015.7.28.20

K7 AntiVirus
Unwanted-Program
13.1915118

McAfee
Program.Artemis!2F30EB9618F2
16.8.708.2

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.354

Norman
Adware.BrowseFox.V
03.12.2014 13:20:04

nProtect
Adware.BrowseFox.V
15.02.27.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo.FollowRules
15.4.28.17

Sophos
Generic PUA IH
4.98

Trend Micro House Call
Suspicious_GEN.F47V0222
7.2.118

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Threat.4150696
39486

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2085

File size:
42.1 KB (43,152 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{f40cc14b-0f67-44b4-a17e-03e43df8e712}w.sys

Digital Signature
Signed by:
Follow Rules

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 2:00:00 AM

Valid to:
1/12/2016 1:59:59 AM

Subject:
CN=Follow Rules, O=Follow Rules, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
360C16AC576B09F5DFA927EA0089856F

File PE Metadata
Compilation timestamp:
2/22/2015 2:33:39 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:TN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddL5:5hUcpH/0+LCf7EziDHhdr

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...
 
[+]

Entropy:
6.6169

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{f40cc14b-0f67-44b4-a17e-03e43df8e712}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {f40cc14b-0f67-44b4-a17e-03e43df8e712}w.sys - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.