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 1 anti-malware scanner with very strong indications that the file is a potential threat. 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:
1.10.00

MD5:
7502f721bcf2266721675093667c2108

SHA-1:
16bec9979c3a5a39b5bfdc74aa1ac61cff237e19

Scanner detections:
1 / 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 11:58:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.26.14

File size:
190.3 KB (194,912 bytes)

Product version:
1.10.00

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\yontooieclient.dll

Digital Signature
Authority:
GoDaddy.com, Inc.

Valid from:
9/2/2009 7:41:20 PM

Valid to:
9/2/2012 7:41:20 PM

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:
9/15/2009 8:41:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:erTxuq5ggmZlomLmT1ZGqqDyqN7m3M4weUO9Q1yoAFfm0d:qTxUXZWZG3Dykm3MqUW

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...
 
[+]

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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