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yontoo-b4.exe

DropDownDeals

Web Deals Interactive LLC

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser. Part of the Injekt brand of unwanted programs. The application yontoo-b4.exe by Web Deals Interactive 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. The file has been seen being downloaded from dl5.iq7download.com.
Publisher:
Web Deals Interactive LLC  (signed and verified)

Product:
DropDownDeals

Description:
Installer

Version:
2012.6.5.1144

MD5:
935e90933704ef0e1cf5b89b9e86a19f

SHA-1:
d987d0e49472db8058e2b5fba83a5de2587d3d9e

SHA-256:
d0208ca1ffcfb1bf528e8b1b3b3caf39d2869cbf27f9542cf90ad093a6a00184

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
9/8/2024 1:12:59 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
ASD.Prevention
2013.04.24

Comodo Security
UnclassifiedMalware
16038

Dr.Web
Adware.Plugin.8
9.0.1.0241

Emsisoft Anti-Malware
Adware.Win32.Yontoo.AMN
8.13.08.29.04

ESET NOD32
Win32/Adware.Yontoo (variant)
7.8259

McAfee
Artemis!935E90933704
5600.7181

Reason Heuristics
PUP.Installer.WebDealsInteractive.J
14.3.1.0

Trend Micro House Call
TROJ_GEN.FCBCBLB
7.2.241

Trend Micro
TROJ_GEN.FCBCBLB
10.465.29

VIPRE Antivirus
Yontoo
17134

File size:
1.1 MB (1,199,408 bytes)

Product version:
1.11.00

Copyright:
Copyright (c) 2012 Web Deals Interactive LLC. All rights reserv

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\yontoo-b4.exe

Digital Signature
Signed by:
Web Deals Interactive LLC

Authority:
GoDaddy.com, Inc.

Valid from:
5/15/2012 12:41:08 PM

Valid to:
5/15/2013 9:52:46 AM

Subject:
CN=Web Deals Interactive LLC, O=Web Deals Interactive 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:
2B7631E3D31FB1

File PE Metadata
Compilation timestamp:
3/10/2011 6:55:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:mXELkiAR8hCHof+fyybnTTLNKypnjHHGVCHwKhcQE7S:eCkiAR8Uy+fyOnLNKuHICHwKZEG

Entry address:
0x15B4

Entry point:
55, 8B, EC, 81, EC, CC, 05, 00, 00, 53, 56, 33, DB, 57, C6, 85, 34, FA, FF, FF, 00, 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, 3C, FE, FF, FF, 50, C7, 85, 3C, FE, FF, FF, 94, 00, 00, 00, FF, 15, 6C, 30, 40, 00, 85, C0, 75, 21, FF, 15, 14, 30, 40, 00, 50, 68, A8, 32, 40, 00, E8, 36, FA, FF, FF, 59, C7, 05, 04, 40, 40, 00, FF, 00, 00, 00, E9, 20, 02, 00, 00, 8B, 35, 68, 30, 40, 00, 68, 94, 32, 40, 00, 68, 84, 32, 40, 00, FF, D6, 50, FF, 15, 64, 30, 40...
 
[+]

Entropy:
7.9969

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file yontoo-b4.exe has been seen being distributed by the following URL.

http://dl5.iq7download.com/lm/bundles/.../yontoo-b4.exe

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