YontooIEClient.dll

Yontoo Layers Client

Yontoo Technology, Inc.

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module YontooIEClient.dll by Yontoo Technology has been detected as adware by 21 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Yontoo Layers’.
Publisher:
Yontoo Technology, Inc.  (signed and verified)

Product:
Yontoo Layers Client

Version:
1.10.01

MD5:
97a2647c6ced4dda944111b6b499c692

SHA-1:
a4d71579e1ad27a35a114d52b6f0bc2c5fd274a0

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
12/25/2024 12:36:50 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Yontoo
7.1.1

Avira AntiVirus
ADWARE/Yontoo.A.2
8.3.2.2

Baidu Antivirus
Adware.Win32.Yontoo
4.0.3.16116

Bkav FE
W32.YontooBho.Trojan
1.3.0.7383

Clam AntiVirus
Win.Adware.Yontoo-2
0.98/21511

Comodo Security
Application.Win32.Yontoo.a
23492

Dr.Web
Adware.Plugin.11
9.0.1.016

ESET NOD32
Win32/Adware.Yontoo
10.12481

Fortinet FortiGate
Riskware/Yontoo
1/16/2016

K7 AntiVirus
Adware
13.212.17683

Malwarebytes
PUP.Optional.Yontoo
v2016.01.16.10

McAfee
Artemis!45FCA1E4B5B7
5600.6519

NANO AntiVirus
Riskware.Win32.Plugin.dtmheb
0.30.26.3947

Qihoo 360 Security
Win32/Virus.Adware.87c
1.0.0.1015

Reason Heuristics
PUP.Yontoo.YontooTechnology (M)
16.1.16.10

SUPERAntiSpyware
Adware.Yontoo/Variant
9382

Trend Micro House Call
TROJ_GEN.R0CBC0OFI14
7.2.16

Trend Micro
TROJ_GEN.R0CBC0OFI14
10.465.16

Vba32 AntiVirus
Adware.Yontoo
3.12.26.4

VIPRE Antivirus
Yontoo
44884

Zillya! Antivirus
Adware.Yontoo.Win32.23
2.0.0.2480

File size:
190.3 KB (194,912 bytes)

Product version:
1.10.01

Copyright:
Copyright (c) 2010 Yontoo Technology, Inc.. 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 layers\yontooieclient.dll

Digital Signature
Authority:
GoDaddy.com, Inc.

Valid from:
9/2/2009 11:41:20 AM

Valid to:
9/2/2012 11:41:20 AM

Subject:
CN="Yontoo Technology, Inc.", OU=Product Development, O="Yontoo Technology, Inc.", L=Carlsbad, S=CA, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
6A08909DDA7B

Registration
CLSIDs:
{10DE7085-6A1E-4D41-A7BF-9AF93E351401}, {DF7770F7-832F-4BDF-B144-100EDDD0C3AE}, {FD72061E-9FDE-484D-A58A-0BAB4151CAD8}

ProgIDs:
YontooIEClient.Api.1, YontooIEClient.Layers.1

COM registered:
Yes

File PE Metadata
Compilation timestamp:
4/29/2011 2:33:06 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:SoMDvRZfB7LP0GHNL8T+Z2Ll6dqYUOnlgKU7iobcmAFfmEuw:SokRLh++Z2J6oYUlKR

Entry address:
0x125C7

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, C5, 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...
 
[+]

Entropy:
6.3451

Code size:
119.5 KB (122,368 bytes)

Internet Explorer BHO
Display name:
Yontoo Layers

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


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