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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 22 anti-malware scanners. 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:
4ef28b83561ad042b7e8a7b5d0f07a50

SHA-1:
244f86698ee376f1cd681580e17f04dfa5b22595

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
12/23/2024 5:19:43 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yontoo
7.1.1

Avira AntiVirus
Adware/BHO.K.1
7.11.90.238

AVG
Yontoo
2016.0.3071

Baidu Antivirus
Adware.Win32.Yontoo
4.0.3.15622

Bkav FE
W32.Clodbe8.Trojan
1.3.0.4959

Boost by Reason
Optional.Yontoo
188838

Comodo Security
Application.Win32.Yontoo.a
21939

Dr.Web
Adware.Siggen.24249
9.0.1.0173

ESET NOD32
Win32/Adware.Yontoo (variant)
9.11553

Fortinet FortiGate
Riskware/Yontoo
6/22/2015

G Data
Win32.Application.Agent.AWEQ89
15.6.25

IKARUS anti.virus
not-a-virus:AdWare.Win32.WebCake
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.174.10644

Kaspersky
not-a-virus:AdWare.Win32.WebCake
14.0.0.1850

McAfee
Artemis!4EF28B83561A
5600.6727

NANO AntiVirus
Riskware.Win32.Siggen.cyptve
0.30.24.1357

Reason Heuristics
PUP.Yontoo (M)
15.6.21.21

SUPERAntiSpyware
Adware.Yontoo
9799

Total Defense
Win32/Yontoo.V
37.1.62.1

Trend Micro House Call
TROJ_GEN.R0C1H05AO15
7.2.173

Trend Micro
ADW_YONTOO
10.465.22

VIPRE Antivirus
Yontoo
39798

File size:
190.3 KB (194,848 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:
Yontoo LLC

Authority:
GoDaddy.com, Inc.

Valid from:
5/10/2011 3:10:37 AM

Valid to:
5/10/2012 3:10:37 AM

Subject:
CN=Yontoo LLC, O=Yontoo LLC, 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:
07E1F9EBCCC1AC

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:
11/9/2011 9:50:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:X0Kgjk/O8i3I1isii1uwD1T+c23IjseBhyvHHhKU7vFiQFfmuf1EEv:X0KwPki0V+c24j1BkvhKAd

Entry address:
0x12587

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:
6.3442

Code size:
119.5 KB (122,368 bytes)

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