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firefox_install.exe

Mozilla Firefox 2014

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 by Download Assistant has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager 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:
Download Assistant  (signed and verified)

Product:
Mozilla Firefox 2014

Version:
3.0.0.59

MD5:
9268b19669a85f97893c61c96e6f206b

SHA-1:
b1b695dd1389e4f4a0aec354bf7687ea88b7f172

SHA-256:
a841d51212871ef7e4919e135242fb937332742e204ab22af70fe574dfc5c14a

Scanner detections:
20 / 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:
11/15/2024 10:46:28 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.32
443

AhnLab V3 Security
PUP/Win32.Bundler
2015.01.14

Avira AntiVirus
APPL/Downloader.Gen
7.11.204.2

AVG
Generic
2016.0.2921

Bitdefender
Gen:Variant.Graftor.171462
1.0.20.1610

Dr.Web
Trojan.Vittalia.7
9.0.1.0322

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.32
8.15.11.18.01

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
9.7.0.302.0

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2015-18-11_4

G Data
Gen:Variant.Graftor.171462
15.11.24

IKARUS anti.virus
PUA.DownloadAssistant
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.191.14711

Malwarebytes
PUP.Optional.DownloadAssistant
v2015.11.18.01

MicroWorld eScan
Gen:Variant.Graftor.171462
16.0.0.966

NANO AntiVirus
Trojan.Win32.ZPACK.dlnoxx
0.30.0.64448

Norman
Gen:Variant.Application.Bundler.32
11.20151118

Panda Antivirus
Trj/Genetic.gen
15.11.18.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
15.11.18.13

VIPRE Antivirus
Threat.4782985
36694

File size:
782 KB (800,760 bytes)

Product version:
3.0.0.59

Copyright:
(c) Download Assistant

Original file name:
firefox_install.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:
8/12/2014 7:00:00 PM

Valid to:
8/12/2016 6:59:59 PM

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:
11/26/2014 3:32:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:CX/3Q9p0jL5qO/v+DO240HvP2VJLST1Otb:sn//vH240mLLS+

Entry address:
0x4C95F

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, 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, C0, 3E, 4A, 00, 00, 74, 05, E9, B1, 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...
 
[+]

Entropy:
7.1119

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

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

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