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firefox_setup.exe

INSTALL DOT EXE

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application firefox_setup.exe, “Premium Installer ” by INSTALL DOT EXE has been detected as adware by 40 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. 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:
Premium Installer   (signed by INSTALL DOT EXE)

Product:
Premium Installer

Description:
Premium Installer

Version:
2.4.8.1

MD5:
a434d906cde1ff8509ea18058eab0b45

SHA-1:
7699021067d39d380ebca523f229474494158a2c

SHA-256:
e97f8854a15ccc96ff3665e42f1531c0a71c663e639023551fe0ee178a6018bd

Scanner detections:
40 / 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:
4/26/2024 9:08:40 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.OptimumInstaller.1
412

Agnitum Outpost
Riskware.AdWare
7.1.1

AhnLab V3 Security
PUP/Win32.IBryte
2014.02.16

Avira AntiVirus
Adware/iBryte.O
7.11.125.52

avast!
PUP-gen [PUP]
2014.9-151219

AVG
Adware Skodna.Generic
2016.0.2890

Baidu Antivirus
Adware.Win32.iBryte
4.0.3.151219

Bitdefender
Application.Generic.593289
1.0.20.1765

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-6804
0.98/21411

Comodo Security
ApplicUnwnt
17791

Dr.Web
Trojan.Packed.28529
9.0.1.0353

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.OptimumInstaller
8.15.12.19.06

ESET NOD32
Win32/AdWare.iBryte.M application
9.7.0.302.0

Fortinet FortiGate
W32/Buzus.gen!tr
12/19/2015

F-Prot
W32/Backdoor2.HTKO
v6.4.7.1.166

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2015-19-12_7

G Data
Win32.Application.OptimumInstaller
15.12.24

IKARUS anti.virus
Trojan.Win32.Buzus
t3scan.2.2.29

K7 AntiVirus
Adware
13.175.10837

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.946

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2015.12.19.06

McAfee
Artemis!6DAF31AA36B7
5600.6546

MicroWorld eScan
Application.Generic.593289
16.0.0.1059

NANO AntiVirus
Riskware.Win32.IBryte.csnspj
0.28.0.58491

Norman
Gen:Variant.Application.Bundler.OptimumInstaller.1
11.20151219

nProtect
Trojan/W32.Buzus.2627880
14.04.30.01

Panda Antivirus
Trj/Genetic.gen
15.12.19.06

Qihoo 360 Security
HEUR/Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.EK4
12.15.14.00

Reason Heuristics
PUP.Adknowledge.INSTALLDOTEXE.Installer (M)
15.12.19.18

Rising Antivirus
PE:PUF.PremiumInstaller!1.9F73
23.00.65.151217

Sophos
PUA 'iBryte Optimum Installer'
59

SUPERAntiSpyware
Adware.OptimumInstaller/Variant
9437

Total Defense
Win32/Tnega.MWULDGC
37.0.10864

Trend Micro House Call
TROJ_FRS.PMA001AD14
7.2.353

Trend Micro
TROJ_FRS.PMA001AD14
10.465.19

Vba32 AntiVirus
AdWare.iBryte
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
26494

Zillya! Antivirus
Trojan.Buzus.Win32.119960
2.0.0.1775

File size:
1.6 MB (1,711,400 bytes)

Product version:
2.4.8.1

Copyright:
Copyright (C) 2013 Premium Installer

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:
INSTALL DOT EXE

Authority:
VeriSign, Inc.

Valid from:
10/3/2013 8:00:00 PM

Valid to:
9/20/2014 7:59:59 PM

Subject:
CN=INSTALL DOT EXE, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=INSTALL DOT EXE, 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:
4C8303B332693FCF64E1E7DFD7841493

File PE Metadata
Compilation timestamp:
2/7/2014 9:49:34 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:/5dexYN+UC87mYCg5vk2fx5bX5fUuvUFGgXDMhIgz7Bh0EIOLohJat89SZB:/5dexYgUX7Ci/X5J08Bh0EIty89Sr

Entry address:
0x390D5

Entry point:
E8, 5A, 8E, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, E0, 8C, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 98, C9, 59, 00, 77, 22, 6A, 04, E8, 5D, 90, 00, 00, 59, 83, 65, FC, 00, 56, E8, BF, 9D, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, CD, 35, 00, 00, C3, 6A, 04, E8, 40, 8F, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, D4, B5, 59, 00, 00, 75, 18, E8, 95, 83, 00, 00, 6A, 1E, E8, BD, 81, 00, 00, 68, FF, 00, 00, 00, E8, D7, 4C, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.1068

Code size:
405 KB (414,720 bytes)

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

http://browser-updater.co/browser-update/.../install.php?sid=cpa&uid=&source=D-FF-Media2&transaction_id=6b95037d-3280-4ba4-b229-8e74070bd765

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