home

setup.exe

sizlsearch

This is the installer and setup program from the sizlsearch branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by sizlsearch has been detected as adware by 19 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
sizlsearch  (signed and verified)

MD5:
accb8457729c32c243c02c259e624e8c

SHA-1:
99ede2cf367c0e084af00fbe29af2225d07eeeba

SHA-256:
c48ff8ad631a39aa919e19310691d39412166af1c0b24ec2acc7929018aa895a

Scanner detections:
19 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/27/2024 4:23:27 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.32

Comodo Security
Application.Win32.Altbrowse.AK
18124

Dr.Web
Trojan.BPlug.17
9.0.1.0108

ESET NOD32
Win32/BrowseFox (variant)
8.9692

G Data
Win32.Application.BrowseFox
14.4.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11806

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3997

Malwarebytes
PUP.Optional.Sizlsearch.A
v2014.04.18.04

McAfee
Artemis!ACCB8457729C
5600.7156

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59288

Reason Heuristics
PUP.Installer.sizlsearch.F
14.4.18.16

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14416

Sophos
Generic PUA ON
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10658

Trend Micro House Call
TROJ_GEN.F47V0418
7.2.108

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
28346

File size:
2 MB (2,099,880 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
sizlsearch

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 3:00:00 AM

Valid to:
11/15/2014 2:59:59 AM

Subject:
CN=sizlsearch, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=sizlsearch, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
14A03B7644CA6A74D050BBD6188EAA95

File PE Metadata
Compilation timestamp:
12/6/2009 1:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:W6F8NRg+lPz0gNpOBWKwzwWzSIg3bd1LW1kT6l8x:fufJz0jBjwztmh161keOx

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9975

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://install-cdn.sizlsearch.net/setup.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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