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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, “Firefox Setup ” by Optimum Installer has been detected as adware by 31 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:
Firefox Setup

Version:
3.4.7

MD5:
866a672ff54a7be6c7c3da85d5671f66

SHA-1:
a7ec1d4f39a53e80383b3657a5bccedf464c5eb0

SHA-256:
052a5be4a28b6d239e2f949c913e1fbb9a7a0270b805b2b6741a5a877be4bb92

Scanner detections:
31 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 4:02:41 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
15.12.12

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.144.160

avast!
Win32:Installer-J [PUP]
2014.9-151212

AVG
Adware Generic5
2016.0.2897

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Ibryte-179
0.98/20416

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18141

Dr.Web
Adware.Downware.1143
9.0.1.0346

ESET NOD32
Win32/Adware.iBryte.G application
9.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
12/12/2015

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

G Data
Win32.Adware.OptimumInst
15.12.24

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

K7 AntiVirus
Unwanted-Program
13.184.13741

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.982

Malwarebytes
PUP.Optional.Ibryte
v2015.12.12.12

McAfee
Adware-FOO
5600.6553

NANO AntiVirus
Riskware.Win32.Agent.csnqmj
0.28.0.59288

Norman
Agent.ASWDM
11.20151212

nProtect
Trojan-Clicker/W32.iBryte.787240
14.10.22.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
PUA.Optimumins.Gen
12.15.14.00

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
15.12.12.12

Rising Antivirus
PE:Malware.iBryte!6.247
23.00.65.151210

Sophos
PUA 'iBryte Optimum Installer'
5.13

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
9452

Total Defense
Win32/Zbot.HIE
37.0.10826

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.26.0

VIPRE Antivirus
Threat.4778314
33706

Zillya! Antivirus
Adware.Agent.Win32.8162
2.0.0.1938

File size:
769.8 KB (788,264 bytes)

Product version:
3.4.7

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 5:00:00 PM

Valid to:
11/7/2013 3:59:59 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:
4/5/2013 2:07:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:HRCe4MXie8iyDAzDDVDnVy76t7pltK6hWIqcYLYeD+nMsl3Tu0Oy:kZTiyDATnJmoli0Oy

Entry address:
0x533E6

Entry point:
E8, 60, E1, 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, D9, E1, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 24, AD, 4A, 00, E8, 05, 4D, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 30, A3, 00, 00, 6A, 01, 6A, 00, E8, D8, E4, 00, 00, 83, C4, 0C, E9, B9, E3, 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:
6.5500

Code size:
459 KB (470,016 bytes)

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

http://downloader.ez-download.com/download.php?id=f50f27ee9a46be299726aa8dc8d3836e32422266&z=1&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMjYiLCJ1X2lkIjoiZXpfNTE2OWYyNjZhNmJiYzIuMDM1NzE0MDkiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzY1ODk3ODMwLCJrdyI6ImZpcmVmb3ggZG93bmxvYWQiLCJjdSI6ImZpcmVmb3ggZG93bmxvYWQifQ==

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