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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:
3.4.3

MD5:
ec05aa12854ad8bc2684c496fa523fe7

SHA-1:
865df85ecc30a17d6751b9652e7c728b192e6ce9

SHA-256:
1f8916f6bd9dc4f25bae6b924c0eab209827fa205f456a8b399759abeea33ad2

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:
11/23/2024 2:14:41 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
16.02.07

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.144.160

avast!
Win32:Installer-J [PUP]
2014.9-160207

AVG
Adware Generic5
2017.0.2841

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
9.0.1.038

ESET NOD32
Win32/Adware.iBryte.G application
10.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
2/7/2016

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

G Data
Win32.Adware.OptimumInst
16.2.24

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
14.0.0.698

Malwarebytes
PUP.Optional.Ibryte
v2016.02.07.10

McAfee
Adware-FOO
5600.6497

NANO AntiVirus
Riskware.Win32.Agent.csnqmj
0.28.0.59288

Norman
Agent.ASWDM
11.20160207

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
2.16.14.00

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.2.7.10

Rising Antivirus
PE:Malware.iBryte!6.247
23.00.65.16205

Sophos
PUA 'iBryte Optimum Installer'
5.13

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
9338

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:
767.3 KB (785,704 bytes)

Product version:
3.4.3

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:
10/11/2012 7:00:00 AM

Valid to:
11/8/2013 6:59:59 AM

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 9:10:05 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:2EOt6wZupYCB6HArAY+lGjMTjPxwRwVCb5f3btNXNZr1zxyOXP3VhWcchidVPC02:2EOWCVO3btNv1zxyOXfbncQdVPC0tGKG

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, AC, 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:
6.5586

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=1364571620&r=/.../?kw=firefox&subid=EZFFUS&cust=firefox&type=firefox&gclid=CKfWuoqiorYCFVKf4AodoDwAJA&utm_campaign=EZFFUS&fwd=1

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