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{8049d9d8-3550-48db-8757-eed8d076dc3f}w.sys

Cantataweb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {8049d9d8-3550-48db-8757-eed8d076dc3f}w.sys by Cantataweb has been detected as adware by 31 anti-malware scanners. It runs as a Windows kernel mode device driver named “{8049d9d8-3550-48db-8757-eed8d076dc3f}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 Cantataweb)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
db7b0a42aa523c66ff3ee7025185a059

SHA-1:
d5c3be85f04bdda30679fbc82bddcd93967f4285

SHA-256:
833dfb4b14b676e5de6b4496706ad88a60ae3fa712a7c36c6e4efd5189cbfd9f

Scanner detections:
31 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:36:07 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
354

Agnitum Outpost
PUA.BrowseFox
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.01.26

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.205.54

avast!
Win32:BrowseFox-FR [PUP]
2014.9-160215

AVG
Generic
2017.0.2832

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.BrowseFox.V
1.0.20.230

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20850

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.16.02.15.07

ESET NOD32
Win32/BrowseFox (variant)
10.11073

Fortinet FortiGate
Riskware/BrowseFox
2/15/2016

F-Prot
W32/S-a7161e1c
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2016-15-02_2

G Data
Adware.BrowseFox
16.2.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.192.14752

McAfee
Artemis!CEF02C1DC0A1
5600.6488

MicroWorld eScan
Adware.BrowseFox.V
17.0.0.138

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

Norman
Adware.BrowseFox.V
11.20160215

nProtect
Adware.BrowseFox.V
15.01.23.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo.Cantataweb (M)
16.2.15.19

Sophos
Generic PUA ON
4.98

Trend Micro House Call
Suspicious_GEN.F47V0825
7.2.46

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35088

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1994

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\{8049d9d8-3550-48db-8757-eed8d076dc3f}w.sys

Digital Signature
Signed by:
Cantataweb

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 7:00:00 AM

Valid to:
10/8/2015 6:59:59 AM

Subject:
CN=Cantataweb, O=Cantataweb, L=Santa Monica, 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:
51FE05E2A96412C5062E1F77B3A16598

File PE Metadata
Compilation timestamp:
2/1/2015 5:32:03 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:HN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdda9:thUcpH/0+LCf7EziDHhd+

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:
28 KB (28,672 bytes)

Driver
Display name:
{8049d9d8-3550-48db-8757-eed8d076dc3f}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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