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setup.exe

Browsebeyond

This is the installer and setup program from the Browsebeyond 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 Browsebeyond has been detected as adware by 14 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:
Browsebeyond  (signed and verified)

MD5:
2334d296817be667af0dc0cf539ef95c

SHA-1:
c03742a2cd1b0571e6270c79d1784d09193e773c

SHA-256:
f945bfcc5d04a9131f8ca38f87e8b99124b981e04b2cb58612621faa33f85603

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/25/2024 6:58:47 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.Altbrowse.AK
17448

Dr.Web
Adware.Plugin.100
9.0.1.025

ESET NOD32
Win32/BrowseFox
8.9176

Fortinet FortiGate
Adware/Agent
1/25/2014

G Data
Win32.Trojan.Agent.6NR25D
14.1.22

IKARUS anti.virus
Win32.Malware
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.174.10509

McAfee
Artemis!2334D296817B
5600.7239

NANO AntiVirus
Riskware.Win32.Agent.cqvnby
0.28.0.56692

Reason Heuristics
PUP.Installer.Browsebeyond.F
14.8.7.21

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14123

Sophos
Generic PUA MA
4.96

Trend Micro House Call
TROJ_GEN.F47V1114
7.2.25

VIPRE Antivirus
Yontoo
24412

File size:
850.4 KB (870,840 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:
Browsebeyond

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 2:00:00 AM

Valid to:
10/8/2014 1:59:59 AM

Subject:
CN=Browsebeyond, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Browsebeyond, L=San Diego, 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:
5B076B434A8E42452548957D9992702C

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):
24576:uhH6F8IXAhDRiYwR+Q+5DlEGl08hH6l8o:QaF8IXAdRiOISLal8o

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://wpc.0952.edgecastcdn.net/800952/.../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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