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firefox_install.exe

Firefox 2014: Foxstart Edition

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application firefox_install.exe, “Firefox 2014: Foxstart Edition ” by Download Assistant has been detected as adware by 27 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager 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:
Download Assistant   (signed by Download Assistant)

Product:
Firefox 2014: Foxstart Edition

Description:
Firefox 2014: Foxstart Edition

Version:
3.0.0.53

MD5:
4f7b4d15ed9650139de880626cd176a9

SHA-1:
aa6f0d98a387283057c3cf5ab39ada8fc673ded1

SHA-256:
df9e609a21b655b05461b59b5e48f8bb726b43639cdaff47d6746a19f28f63b4

Scanner detections:
27 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
12/29/2024 2:04:18 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.FX
354

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Bundler
2015.06.15

Avira AntiVirus
APPL/Downloader.Gen
7.11.212.246

avast!
Win32:Adware-CKC [PUP]
2014.9-160216

AVG
Generic
2017.0.2832

Bitdefender
Application.Bundler.FX
1.0.20.235

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Vittalia.34
9.0.1.047

Emsisoft Anti-Malware
Application.Bundler.FX
8.16.02.16.03

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
10.7.0.302.0

F-Prot
W32/A-cd1300c2
v6.4.7.1.166

F-Secure
Riskware.Application.Bundler.FX
11.2016-16-02_3

G Data
Win32.Application.DownloadAssistant
16.2.24

IKARUS anti.virus
PUA.DownloadAssistant
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.185.13965

Malwarebytes
PUP.Optional.DownloadAssistant
v2016.02.16.03

MicroWorld eScan
Gen:Variant.Symmi.49704
17.0.0.141

NANO AntiVirus
Riskware.Win32.Conduit.dhhkky
0.30.24.2086

Norman
Application.Bundler.FX
11.20160216

Panda Antivirus
Trj/Genetic.gen
16.02.16.03

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.2.16.3

Rising Antivirus
PE:Malware.Bundler!6.1D88
23.00.65.16214

Sophos
PUA 'AirInstaller'
5.15

Total Defense
Win32/Tnega.MFfaER
37.1.62.1

VIPRE Antivirus
Threat.4782985
34232

Zillya! Antivirus
Backdoor.Klon.Win32.1246
2.0.0.2223

File size:
833.4 KB (853,368 bytes)

Product version:
3.0.0.53

Copyright:
(c) Download Assistant

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\firefox_install.exe

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/13/2014 1:00:00 AM

Valid to:
8/13/2016 12:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

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:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
11/17/2014 10:00:59 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:Qt1IVE7xT7mso4jg8ShGoa430ipEtD9af:i1uS+4jgXc430EM0

Entry address:
0x4C712

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 40, 3E, 4A, 00, 00, 74, 05, E9, B4, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6, 8B, 44, 24...
 
[+]

Entropy:
7.0731

Code size:
466.5 KB (477,696 bytes)

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

http://uk.free-browser.co/.../download.php

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