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yontoosetup-dropdowndeals.exe

Yontoo Layers

Yontoo Technology, Inc.

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-dropdowndeals.exe by Yontoo Technology has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software.
Publisher:
Drop Down Deals LLC  (signed by Yontoo Technology, Inc.)

Product:
Yontoo Layers

Description:
Installer

Version:
2011.5.24.1507

MD5:
1381cad6577421da3decd24f7512d1ab

SHA-1:
6183487c9d7f6158fed9471c00427253506d8541

SHA-256:
3f5e92a5f5b76c26928f65177741348531fa2b7a569c1523e85f3888dad78d59

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:
4/26/2024 8:08:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.YontooTechnology.Installer (M)
15.12.19.9

File size:
640.3 KB (655,656 bytes)

Product version:
1.10.01

Copyright:
Copyright © 2011 Drop Down Deals LLC. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\yontoosetup-dropdowndeals.exe

Digital Signature
Signed by:
Yontoo Technology, Inc.

Authority:
GoDaddy.com, Inc.

Valid from:
9/2/2009 12:41:20 PM

Valid to:
9/2/2012 12:41:20 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

File PE Metadata
Compilation timestamp:
8/19/2010 6:08:13 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:PInOmj7skolor0PG499YWJ2YKVGQVpwtFZMqTAdlI2fIhQ:Avsko+qfA9rItTMZnI

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...
 
[+]

Entropy:
7.9898

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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