YontooIEClient.dll

Yontoo Runtime

Yontoo LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module YontooIEClient.dll by Yontoo has been detected as adware by 30 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Yontoo Layers’. By plugging into the web browser, this extension will inject advertisements both banner and context hyperlinks based on the web sites being visited. It can be installed from the program's website or it may be bundled by third-party software installation programs.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Yontoo Runtime

Version:
1.10.01

MD5:
9b8975135d72771b90ca353c8b4f8554

SHA-1:
357322af9be228dc520b4a225f027725139fa9f1

SHA-256:
cd2d75ca087a983ed3a21092dd66e3ddb9197681c188ebac32ec185802196518

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/26/2024 9:58:27 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.572385
376

Agnitum Outpost
Adware.WebCake
7.1.1

Avira AntiVirus
Adware/Yontoo.Z
7.11.94.138

AVG
AdInject.Yontoo
2017.0.2854

Baidu Antivirus
Malware.Win32.Yontoo
4.0.3.16125

Bitdefender
Application.Generic.572385
1.0.20.125

Bkav FE
W32.Clodda0.Trojan
1.3.0.4613

Clam AntiVirus
Win.Adware.Yontoo-4
0.98/21511

Comodo Security
Application.Win32.Yontoo.a
23238

Dr.Web
Adware.Yontoo.78
9.0.1.025

Emsisoft Anti-Malware
Adware.Win32.Yontoo.AMN
8.16.01.25.08

ESET NOD32
Win32/Adware.Yontoo (variant)
10.12255

Fortinet FortiGate
Adware/Yontoo
1/25/2016

F-Prot
W32/Adware.AKRZ
v6.4.7.1.166

G Data
Application.Generic.572385
16.1.22

IKARUS anti.virus
not-a-virus:AdWare.Win32.WebCake
t3scan.2.0.127

K7 AntiVirus
Adware
13.210.17213

Kaspersky
not-a-virus:AdWare.Win32.WebCake
14.0.0.763

McAfee
Artemis!3BD56B625D71
5600.6510

MicroWorld eScan
Application.Generic.572385
17.0.0.75

NANO AntiVirus
Trojan.Win32.Siggen.cocwct
0.30.24.3283

Reason Heuristics
PUP.Yontoo (M)
16.1.25.8

Rising Antivirus
PE:Trojan.Win32.Generic.140337F2!335755250[F1]
23.00.65.16123

SUPERAntiSpyware
Adware.Yontoo
9364

Total Defense
Win32/Yontoo.U
37.1.62.1

Trend Micro House Call
TROJ_GEN.F47V0419
7.2.25

Trend Micro
TROJ_GEN.R047C0OGN15
10.465.25

Vba32 AntiVirus
AdWare.WebCake
3.12.26.4

VIPRE Antivirus
Yontoo
43768

Zillya! Antivirus
Adware.WebCake.Win32.4
2.0.0.2399

File size:
193.4 KB (198,072 bytes)

Product version:
1.10.01

Copyright:
Copyright (c) 2011 Yontoo LLC. All rights reserved.

Original file name:
YontooIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\yontoo\yontooieclient.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/24/2012 2:00:00 AM

Valid to:
12/24/2013 12:59:59 AM

Subject:
CN=Yontoo LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yontoo LLC, L=Carlsbad, 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:
4A49FB7E6B0BCF398A1ACF39EA80D982

File PE Metadata
Compilation timestamp:
1/7/2013 10:15:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:VvWMjk7cpgC5sMGweABHpBWeJn+oST8P3zKU7SV1QFfmufJm:VTS2/5r7BdJn+fozKZ/

Entry address:
0x12587

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, B5, 65, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, A3, D0, 8D, 02, 10, 5D, C3, 8B, FF, 55, 8B, EC, FF, 35, D0, 8D, 02, 10, FF, 15, 58, 01, 02, 10, 85, C0, 74, 0F, FF, 75, 08, FF, D0, 59, 85, C0, 74, 05, 33, C0, 40, 5D, C3, 33, C0, 5D, C3, 6A, 00, 68, 00, 10, 00, 00, 6A, 00, FF, 15, 50, 01, 02, 10, 33, C9, 85, C0, 0F, 95, C1, A3, D8, 8D, 02, 10, 8B, C1, C3, FF, 35, D8, 8D, 02, 10, FF, 15...
 
[+]

Code size:
119.5 KB (122,368 bytes)

Internet Explorer BHO
Display name:
Yontoo Layers

CLSID:
{FD72061E-9FDE-484D-A58A-0BAB4151CAD8}

CLSID name:
Yontoo


Remove YontooIEClient.dll - Powered by Reason Core Security