firefox_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application firefox_setup.exe, “OPTIMUMINSTALLER_FILE_DESCRIPTION” by Optimum Installer has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
OPTIMUMINSTALLER_FILE_DESCRIPTION

Version:
3.4.8

MD5:
16589133e0bc3936198ef10ed789aca5

SHA-1:
a85be9c11158c172ddb26cc9ad948235c6f80b3c

SHA-256:
4294675a3ae474626f205244e1de896084983858ccac50bd6892738faeaffcb7

Scanner detections:
23 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/10/2024 7:29:01 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
7.1.1

Avira AntiVirus
Adware/Graftor.102633.7
7.11.199.158

avast!
Win32:Installer-J [PUP]
150102-1

AVG
Adware Generic5.ABOS
2014.0.4253

Comodo Security
Application.Win32.IBryte.ZD
20609

Dr.Web
Adware.Downware.1275
9.0.1.05190

ESET NOD32
Win32/Adware.iBryte.G application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
1/5/2015

F-Prot
W32/Ibryte.C.gen
4.6.5.141

G Data
Win32.Adware.IBryte
15.1.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.1814541

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.543

Malwarebytes
PUP.Optional.Ibryte
v2015.01.05.05

NANO AntiVirus
Riskware.Win32.IBryte.csulhz
0.30.0.64448

Norman
Agent.ASWDM
11.20150105

nProtect
Trojan-Clicker/W32.Agent.899880
15.01.05.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.OptimumInstaller.N
15.1.5.17

Sophos
PUA 'iBryte Optimum Installer'
5.09

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.26.3

VIPRE Antivirus
Threat.4778314
36340

Zillya! Antivirus
Adware.iBryte.Win32.508
2.0.0.2026

File size:
878.8 KB (899,880 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
Authority:
VeriSign, Inc.

Valid from:
10/10/2012 7:00:00 PM

Valid to:
11/7/2013 5:59:59 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:
6/27/2013 8:48:47 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:sXWxL1ht6Dihx4gvv+vtO1hzWoIjJCEKHX62bo:iCZiihx4gv+Efi1CEKHXXbo

Entry address:
0x58042

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, 7C, 53, 4B, 00, E8, A9, 4C, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 63, 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:
6.7371

Code size:
485.5 KB (497,152 bytes)

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

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