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yontoosetup-silent.exe

Yontoo Layers Runtime

Yontoo LLC

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application yontoosetup-silent.exe by Yontoo has been detected as adware by 10 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from the user's temporary directory.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Yontoo Layers Runtime

Description:
Installer

Version:
2011.9.7.1134

MD5:
c3185aa7e41d258fcbd855ad1da117fc

SHA-1:
48cb2ebff1265b8a0ff062b028687819e7e293fb

SHA-256:
fe338e659801a2822f028ebecc10c315dddc826d3d9dee6ca967bd449d32fb21

Scanner detections:
10 / 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:
4/26/2024 11:48:38 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Yontoo.Gen
7.11.89.66

Boost by Reason
Optional.Yontoo.S
188838

Dr.Web
Adware.Plugin.8
9.0.1.0136

ESET NOD32
Win32/Adware.Yontoo
8.8538

F-Prot
W32/AdwareX.JVA
v6.4.7.1.166

IKARUS anti.virus
AdWare.Yontoo
t3scan.2.0.3.0

K7 AntiVirus
Adware
13.170.8967

NANO AntiVirus
Trojan.Win32.Yontoo.zkeyb
0.24.0.53304

Reason Heuristics
PUP.Installer.Yontoo.S
14.8.7.17

VIPRE Antivirus
Yontoo
19376

File size:
747.5 KB (765,472 bytes)

Product version:
1.10.01

Copyright:
Copyright (c) 2011 Yontoo LLC. All rights reserved.

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\yontoosetup-silent.exe

Digital Signature
Signed by:
Yontoo LLC

Authority:
GoDaddy.com, Inc.

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

Valid to:
5/9/2012 9:10:37 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:
3/11/2011 3:55:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:eAebfULioXklR8jJiAToeKXtXs/kS9dSnaYEQBUBZtpA58TcGsbOxcO4:QbfU+RP8jJiATobtS9dxjUaZPgGsbOxi

Entry address:
0x1627

Entry point:
55, 8B, EC, 81, EC, 58, 0B, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, A8, F4, FF, FF, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 00, 40, 40, 00, FF, 15, 70, 30, 40, 00, 89, 45, F8, 8D, 85, B8, FC, FF, FF, 50, C7, 85, B8, FC, FF, FF, 14, 01, 00, 00, FF, 15, 6C, 30, 40, 00, 85, C0, 75, 21, FF, 15, 14, 30, 40, 00, 50, 68, 30, 34, 40, 00, E8, 40, FA, FF, FF, 59, C7, 05, 04, 40, 40, 00, FF, 00, 00, 00, E9, C5, 01, 00, 00, 68, 1C, 34, 40, 00, 68, 0C, 34, 40, 00, FF, 15, 68, 30, 40, 00, 50, FF, 15, 64, 30, 40, 00, 3B...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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