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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:
3.4.4

MD5:
6c39862d11a0e9949cf82f2a57ee1d2b

SHA-1:
01bc4c7670599773614986c4b849c7cd948dd894

SHA-256:
1ef1ac4ed5365d7b20b71078944043c9379db8283acafda26614b773d03eb356

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 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:
12/25/2024 1:11:56 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
15.11.07

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.144.160

avast!
Win32:Installer-J [PUP]
2014.9-151107

AVG
Adware Generic5
2016.0.2933

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
9.0.1.0311

ESET NOD32
Win32/Adware.iBryte.G application
9.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
11/7/2015

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

G Data
Win32.Adware.OptimumInst
15.11.24

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
14.0.0.1158

Malwarebytes
PUP.Optional.Ibryte
v2015.11.07.07

McAfee
Adware-FOO
5600.6589

NANO AntiVirus
Riskware.Win32.Agent.csnqmj
0.28.0.59288

Norman
Agent.ASWDM
11.20151107

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
11.15.14.00

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
15.11.7.7

Rising Antivirus
PE:Malware.iBryte!6.247
23.00.65.151105

Sophos
PUA 'iBryte Optimum Installer'
5.13

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
9522

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:
765.3 KB (783,656 bytes)

Product version:
3.4.4

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:
3/29/2013 2:45:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:V/075iFjbVkFiJs4AiaS/yPV2xAXpH7m/3zeLdfy4TGfBDPLvK3tH2IA3/jEZGaZ:V/07cEzTG9e3tH2IA3/jotchGp3if1a5

Entry address:
0x52E35

Entry point:
E8, 01, E2, 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, 7A, E2, 00, 00, 83, C4, 14, 5D, C3, FF, 35, F4, 9C, 4A, 00, E8, F6, 4E, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 21, A5, 00, 00, 6A, 01, 6A, 00, E8, 79, E5, 00, 00, 83, C4, 0C, E9, 5A, E4, 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:
6.5540

Code size:
457.5 KB (468,480 bytes)

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

http://downloader1.ez-download.com/?id=f50f27ee9a46be299726aa8dc8d3836e32422266&ts=1364768305&r=/.../?kw=firefox&subid=EZFFUS&cust=firefox&type=firefox&gclid=CNeluOj-p7YCFQo6nAode2QAmw&utm_campaign=EZFFUS&fwd=1

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