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YontooIEClient.dll

Yontoo Layers Client for Internet Explorer

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 6 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 for Internet Explorer

Version:
1.03.02

MD5:
9c48428a8742f5036080ab916eace8dd

SHA-1:
623d788f8cb2657d105209267ea42514d3d14032

SHA-256:
f855afe4b7cbb173fcf9a5705a723c1aa22da043fc780b34f1b421bd575b5960

Scanner detections:
6 / 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 11:35:47 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/Yontoo.A.25
7.11.183.186

Dr.Web
Adware.Plugin.11
9.0.1.0214

ESET NOD32
Win32/Adware.Yontoo
9.10691

Malwarebytes
Adware.Yontoo
v2015.08.02.02

Reason Heuristics
PUP.Yontoo.YontooTechnology
15.6.11.15

VIPRE Antivirus
Yontoo
23528

File size:
188.9 KB (193,472 bytes)

Product version:
1.03.02

Copyright:
(c) 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 client for internet explorer\yontooieclient.dll

Digital Signature
Signed by:
Yontoo Technology, Inc.

Authority:
The USERTRUST Network

Valid from:
5/24/2008 5:00:00 PM

Valid to:
5/25/2009 4:59:59 PM

Subject:
CN="Yontoo Technology, Inc.", O="Yontoo Technology, Inc.", STREET=3440 Gird Rd, L=Fallbrook, S=CA, PostalCode=92028, C=US

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
1C5F074DD8ACC358544B855BAD410BF5

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:
4/1/2009 10:16:12 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:DStA9sk1g0s0L2TGDFaGaiEswtLWm7cUYUO/5pDgAFfmeOs:utAXCeaG/EsqWm74UsF

Entry address:
0x113F3

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, E6, 79, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, CC, CC, 68, B0, F2, 00, 10, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, E8, 7C, 02, 10, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B, 4D, F0, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, CC, CC...
 
[+]

Entropy:
6.3767

Code size:
120.5 KB (123,392 bytes)

Internet Explorer BHO
Display name:
Yontoo Layers

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


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