firefox_install.exe

Mozilla Firefox 2015

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 19 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. 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:
Download Assistant  (signed and verified)

Product:
Mozilla Firefox 2015

Version:
3.0.0.59

MD5:
9e00c5005bb70f6387375dc245348877

SHA-1:
0bf06cb91c4dd187764d98f0a4a6687eda284acb

SHA-256:
93fa15f10957ade2e6983bb9535fa396c672aa14869fe5a747a0fbc41f0dd78a

Scanner detections:
19 / 68

Status:
Adware

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

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:
11/15/2024 10:27:57 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.32
398

AhnLab V3 Security
PUP/Win32.Bundler
2015.01.25

Avira AntiVirus
APPL/Downloader.Gen
7.11.204.248

AVG
Generic
2017.0.2876

Bitdefender
Gen:Variant.Application.Bundler.32
1.0.20.15

Dr.Web
Trojan.Vittalia.7
9.0.1.03

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.32
8.16.01.03.11

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
10.7.0.302.0

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-03-01_1

G Data
Gen:Variant.Application.Bundler.32
16.1.24

K7 AntiVirus
Unwanted-Program
13.192.14744

Malwarebytes
PUP.Optional.DownloadAssistant
v2016.01.03.11

MicroWorld eScan
Gen:Variant.Application.Bundler.32
17.0.0.9

NANO AntiVirus
Trojan.Win32.Vittalia.dljetu
0.30.0.64812

Norman
Gen:Variant.Application.Bundler.32
11.20160103

Panda Antivirus
Trj/Genetic.gen
16.01.03.11

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.1.3.11

VIPRE Antivirus
Threat.4782985
36694

File size:
782 KB (800,720 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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_install.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
8/12/2014 5:00:00 PM

Valid to:
8/12/2016 4:59:59 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 1:32:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:YX/3Q9p0jL5qO/v+DO240HSP2VJLST1Oto:Gn//vH240hLLSB

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:
7.1120

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

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