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firefox_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application firefox_setup.exe, “Setup ” by Optimum Installer has been detected as adware by 36 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
Setup

Version:
3.4.8

MD5:
82e0ab237f3cfb435855e5b260a5c0d7

SHA-1:
806e819431be02ac1fafb04d4446b031e5466375

SHA-256:
e69283cad7cf995a12ad4c44b1a0144783ddff9df2d97b9fb2fb40ff6f6a596c

Scanner detections:
36 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 2:46:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.526895
700

Agnitum Outpost
Adware.iBryte
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
15.03.06

Avira AntiVirus
Adware/Agent.909545
7.11.140.10

avast!
Win32:PUP-gen [PUP]
2014.9-150306

AVG
Adware Generic5
2016.0.3178

Bitdefender
Application.Generic.526895
1.0.20.325

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
WIN.Adware.Ibryte-130
0.98/19747

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18011

Dr.Web
Adware.Downware.1233
9.0.1.065

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.79124
8.15.03.06.04

ESET NOD32
Win32/Adware.iBryte.G application
9.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
3/6/2015

F-Prot
W32/Ibryte.C.gen
v6.4.6.5.141

F-Secure
Application.Generic.526895
11.2015-06-03_6

G Data
Win32.Adware.OptimumInst
15.3.24

herdProtect (fuzzy)
variant of setup(3).exe (Adware)
2015.6.13.9

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.2.29

K7 AntiVirus
Adware
13.176.11595

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2386

Malwarebytes
PUP.Optional.Ibryte
v2015.03.06.04

McAfee
Program.Adware-FOO
16.8.708.2

MicroWorld eScan
Application.Generic.526895
16.0.0.195

NANO AntiVirus
Riskware.Win32.Agent.csnrpm
0.28.0.58720

Norman
Agent.ASWDM
11.20150306

nProtect
Trojan-Clicker/W32.iBryte.893736.B
14.12.05.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Bundler.Adknowledge
15.3.6.17

Rising Antivirus
PE:Trojan.Win32.Rouge.d!1075354374
23.00.65.15304

Sophos
PUA 'iBryte Optimum Installer'
5.11

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
10014

Total Defense
Win32/Zbot.HIE
37.0.10846

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.24.3

VIPRE Antivirus
Threat.4778314
35418

Zillya! Antivirus
Adware.Agent.Win32.8135
2.0.0.2000

File size:
872.8 KB (893,736 bytes)

Product version:
3.4.8

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

Common path:
C:\users\{user}\downloads\firefox_setup.exe

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, 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:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
6/3/2013 12:20:24 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:6gBDfMVshHC2F/FLZNlevRoJoU0uUVkBfxSNBdMYg1la+wEXPKavu2OJm93Ghe+X:66pB0NB01la+wEiiu2bVGh/HXh2Rk

Entry address:
0x57622

Entry point:
E8, 94, F1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 0D, F2, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 3C, 33, 4B, 00, E8, A9, 4C, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 62, AE, 00, 00, 6A, 01, 6A, 00, E8, 0C, F5, 00, 00, 83, C4, 0C, E9, ED, F3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.7237

Code size:
483 KB (494,592 bytes)

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

http://secure.oi-installer1.com/o/.../Firefox_Setup.exe

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