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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.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Yontoo Layers Runtime

Version:
1.10.01

MD5:
33b11839c9d971ec28763c94a11dcb0d

SHA-1:
e94d121be2d6fb46e36a48cb3f65ff7c1c261801

SHA-256:
e4a3e72abfc9844f10076337f8ba0ca7ad991b7e599170c762071088a2f8f8a4

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:
4/19/2024 1:16:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.7.5.3

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 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:
9/30/2011 2:15:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:10Kgjk/O8i3I1isii1uwD1T+c23IjseBhyv1HyKU7+FeQFfmTO9Em:10KwPki0V+c24j1BkByKd5

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:
6.3433

Code size:
119.5 KB (122,368 bytes)

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