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setup.exe

Fortunitas

This is the installer and setup program from the Fortunitas 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 Fortunitas has been detected as adware by 27 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:
Fortunitas  (signed and verified)

MD5:
1f493b4a58a589eccfb4ab03da20f09b

SHA-1:
7b7ec14e0dc6bb314ab90ab92446303e5155c682

SHA-256:
e9ce35c6dba2153fd032048c0b668787fc2bb0eb164e2dbd472536ffa580b959

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
5/10/2024 10:02:50 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.BHO.Agent.4
927

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.149.244

AVG
BrowseFox
2015.0.3405

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14722

Bitdefender
Gen:Variant.Adware.BHO.Agent.4
1.0.20.1015

Comodo Security
Application.Win32.Altbrowse.AK
18281

Dr.Web
Trojan.BPlug.14
9.0.1.0203

Emsisoft Anti-Malware
Gen:Variant.Adware.BHO.Agent
8.14.07.22.05

ESET NOD32
Win32/BrowseFox (variant)
8.9806

Fortinet FortiGate
Adware/Agent
7/22/2014

F-Secure
Gen:Variant.Adware.BHO.Agent.4
11.2014-22-07_3

G Data
Gen:Variant.Adware.BHO.Agent
14.7.24

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

K7 AntiVirus
Unwanted-Program
13.177.12101

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3521

Malwarebytes
PUP.Optional.Fortunitas.A
v2014.07.22.05

McAfee
Artemis!1F493B4A58A5
5600.7061

MicroWorld eScan
Gen:Variant.Adware.BHO.Agent.4
15.0.0.609

NANO AntiVirus
Riskware.Win32.Agent.cqycvd
0.28.0.59911

Reason Heuristics
PUP.Installer.Fortunitas.F
14.7.22.17

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14720

Sophos
Generic PUA BO
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10468

Trend Micro House Call
TROJ_GEN.F47V0513
7.2.203

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
29260

File size:
1.9 MB (2,044,232 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:
Fortunitas

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 1:00:00 AM

Valid to:
11/28/2014 12:59:59 AM

Subject:
CN=Fortunitas, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Fortunitas, 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:
2F2F8BE6BBAEA40C49A9E24B7BE035FB

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:ce+wF8UJ+BLu0erz0gM1YTBNWPN4lWpXs60heW1+I8+:ceDuXgz0v1YlNWPN4ls89hP1s+

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 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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