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 10 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:
9ca6e86a1853eede04f7e254f70b3f6c

SHA-1:
823001f6523a0e09f2feff9b59ad2680e7fdd7ac

SHA-256:
aa433d96d069e333ac1d54b7b76ffd70b76e7d18168f558f6aec5a3c7fb24832

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
8/6/2025 3:12:18 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
BrowseFox
2015.0.3459

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14530

ESET NOD32
Win32/BrowseFox (variant)
8.9862

Malwarebytes
PUP.Optional.Sizlsearch.A
v2014.05.30.02

McAfee
Artemis!9CA6E86A1853
5600.7115

Reason Heuristics
PUP.Installer.sizlsearch.F
14.5.30.2

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14528

SUPERAntiSpyware
Adware.BrowseFox/Variant
10575

Trend Micro House Call
TROJ_GEN.F47V0524
7.2.150

VIPRE Antivirus
Yontoo
29718

File size:
1.9 MB (2,030,152 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 1:00:00 AM

Valid to:
11/15/2014 12:59:59 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:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:DjzVF8Nzz0gTpotrHa0JmsL41vDrPAGAjDN8V:XJuhz0eK7a0Jms2AfjaV

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...
 
[+]

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)

Remove setup.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.