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{9d5747ee-0448-4681-8337-1555de75a3b6}t.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}t.sys by sizlsearch has been detected as adware by 26 anti-malware scanners. It runs as a Windows kernel mode device driver named “{9d5747ee-0448-4681-8337-1555de75a3b6}t”. 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:
37300a3e503f2de92e703d48bf9d4fcb

SHA-1:
f03c6ed81006913c4b171c5803a31ddc1186cba2

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/19/2024 1:51:31 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.J
359

Agnitum Outpost
PUA.Yotoon
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.171.34

avast!
Win32:BrowseFox-FZ [PUP]
2014.9-160211

AVG
Slizearch
2017.0.2837

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16211

Bitdefender
Adware.NetFilter.J
1.0.20.210

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-12778
0.98/21411

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20037

Dr.Web
Trojan.Yontoo.1741
9.0.1.042

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.11.01

ESET NOD32
Win64/BrowseFox.AZ (variant)
10.10603

F-Prot
W32/A-caf5c463
v6.4.7.1.166

F-Secure
Adware.NetFilter.J
11.2016-11-02_5

G Data
Adware.NetFilter
16.2.24

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.7.5.0

McAfee
Artemis!14D4B8683317
5600.6493

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.28.2.61942

Norman
Adware.NetFilter.J
11.20160211

nProtect
Adware.NetFilter.J
14.11.06.01

Reason Heuristics
PUP.Yontoo.sizlsearch (M)
16.2.11.1

Trend Micro House Call
Suspicious_GEN.F47V0620
7.2.42

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
32916

Zillya! Antivirus
Adware.Yotoon.Win64.6
2.0.0.1914

File size:
53.9 KB (55,232 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}t.sys

Digital Signature
Signed by:
sizlsearch

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 8:00:00 AM

Valid to:
11/15/2014 7:59:59 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:
7/31/2014 3:33:58 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:jNbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBu6+RRchJ:xP7EJSTukuzTrGYs+JNButRyH

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3515

Code size:
36.3 KB (37,120 bytes)

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

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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