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YontooIEClient.dll

Yontoo Layers 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 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 LLC  (signed and verified)

Product:
Yontoo Layers Runtime

Version:
1.10.01

MD5:
4b5f37729873eb2cf51f88d1cb412759

SHA-1:
8baaac80090959ef5ba7b7373bb040d41d33924c

SHA-256:
d2317257afa9782c68aaee212177142d6e23174037adc70b5336bf6421efbee4

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:
12/23/2024 5:37:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.8.2.11

File size:
771.8 KB (790,304 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 layers runtime\yontooieclient.dll

Digital Signature
Signed by:
Yontoo LLC

Authority:
GoDaddy.com, Inc.

Valid from:
5/9/2011 2:10:37 PM

Valid to:
5/9/2012 2:10:37 PM

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

File PE Metadata
Compilation timestamp:
8/19/2011 11:45:10 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:/1jd0YmHfSUUbzUcpNpPM+D3HnMZVa39dyamf2km+jHYr0bRuh:/1jd4UfTpzP5D3MatdyH+d+HFk

Entry address:
0x47B90

Entry point:
E9, BB, 8A, 04, 00, E9, A6, BB, 00, 00, E9, A3, 21, 03, 00, E9, 7C, BC, 04, 00, E9, B7, 98, 00, 00, E9, A2, 4E, 08, 00, E9, 4D, 99, 01, 00, E9, 98, 34, 03, 00, E9, C3, FD, 04, 00, E9, DE, B7, 00, 00, E9, 19, 7A, 07, 00, E9, 54, 0C, 03, 00, E9, AF, FE, 02, 00, E9, 7A, CB, 03, 00, E9, B5, 4E, 01, 00, E9, 10, 50, 00, 00, E9, 6B, 8C, 02, 00, E9, B6, 55, 05, 00, E9, 21, CD, 06, 00, E9, EC, 4B, 04, 00, E9, 97, E0, 03, 00, E9, 22, 7D, 08, 00, E9, 5D, 02, 01, 00, E9, D8, 1F, 01, 00, E9, C3, 3F, 04, 00, E9, 0E, 5B...
 
[+]

Entropy:
5.6589

Developed / compiled with:
Microsoft Visual C++ 8.0 (Debug)

Code size:
583.5 KB (597,504 bytes)

Internet Explorer BHO
Display name:
Yontoo Layers

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


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