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{9d5747ee-0448-4681-8337-1555de75a3b6}w.sys

sizlsearch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {9d5747ee-0448-4681-8337-1555de75a3b6}w.sys by sizlsearch has been detected as adware by 32 anti-malware scanners. It runs as a Windows kernel mode device driver named “{9d5747ee-0448-4681-8337-1555de75a3b6}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 sizlsearch)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
cf4f66119429feb8fb6b670938dbd375

SHA-1:
f11e6d0f4361d63442ba5e038b48aba008b0c65b

SHA-256:
6d550059b62cc56c4300182b35564536ca2844ee0589927938563cbe2c8665f8

Scanner detections:
32 / 68

Status:
Adware

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

Analysis date:
4/24/2024 8:17:56 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
357

Agnitum Outpost
PUA.BrowseFox
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.27

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.217.26

avast!
Win32:BrowseFox-FZ [PUP]
2014.9-160212

AVG
Slizearch
2017.0.2835

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16212

Bitdefender
Adware.BrowseFox.V
1.0.20.215

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21402

Dr.Web
Trojan.BPlug.123
9.0.1.043

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.16.02.12.09

ESET NOD32
Win64/BrowseFox.AZ (variant)
10.10580

Fortinet FortiGate
Riskware/Komodia
2/12/2016

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2016-12-02_6

G Data
Adware.BrowseFox
16.2.25

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.200.15259

McAfee
Artemis!84DEDF116505
5600.6491

MicroWorld eScan
Adware.BrowseFox.V
17.0.0.129

NANO AntiVirus
Riskware.Win32.Yotoon.dfewso
0.28.2.62841

nProtect
Adware.BrowseFox.V
15.03.13.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo.sizlsearch (M)
16.2.12.21

Sophos
Generic PUA KK
4.98

Trend Micro House Call
TROJ_GEN.F0C2C00C515
7.2.43

Trend Micro
TROJ_GEN.F0C2C00C515
10.465.12

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
38406

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2098

File size:
38.2 KB (39,104 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{9d5747ee-0448-4681-8337-1555de75a3b6}w.sys

Digital Signature
Signed by:
sizlsearch

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 5:30:00 AM

Valid to:
11/15/2014 5:29:59 AM

Subject:
CN=sizlsearch, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=sizlsearch, 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:
14A03B7644CA6A74D050BBD6188EAA95

File PE Metadata
Compilation timestamp:
9/13/2014 5:02:59 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:mf5OQ5p9MZq9Vkh5z8tZfJm/6D1GqA+5+TFpEwXO5I9i:mf5H5pH+x8t1c/+Gd+5/4O3

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Entropy:
6.6580

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{9d5747ee-0448-4681-8337-1555de75a3b6}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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