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firefox.exe

Mozilla Firefox

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.exe, “Mozilla Firefox ” by Download Assistant has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. 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 by Download Assistant)

Product:
Mozilla Firefox

Description:
Mozilla Firefox

Version:
3.0.0.42

MD5:
25a25cf3572bf85fdc069474598d1e81

SHA-1:
8e14dc40c74864f5bd23c70eb1161a3490cd0deb

SHA-256:
1963dca0bdf3fca6a3883dc5a3028605484af2ea70ab11f63960c4a57b99dd9d

Scanner detections:
11 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/25/2024 1:42:20 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2015.0.3250

Dr.Web
Trojan.Vittalia.3
9.0.1.05190

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

G Data
Win32.Application.DownloadAssistant
14.12.24

IKARUS anti.virus
PUA.DownloadAssistant
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14440

Malwarebytes
PUP.Optional.DownloadAssistant
v2014.12.24.06

Reason Heuristics
PUP.Installer.DownloadAssistant.H
14.12.24.18

Sophos
PUA 'AirInstaller'
5.09

VIPRE Antivirus
Threat.4782985
35418

File size:
922.4 KB (944,488 bytes)

Product version:
3.0.0.42

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.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:
10/30/2014 10:55:53 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:1l60qMA5canSPzXdIBAp8AF1Loe8yjoFUd0A/PtDzy:1NqMWcaWIO8AFmioFKf/PZzy

Entry address:
0x4CCED

Entry point:
E8, F0, 08, 01, 00, E9, 89, FE, FF, FF, CC, CC, 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, 20, 4D, 4A, 00, 00, 74, 05, E9, 51, 09, 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...
 
[+]

Entropy:
7.2089

Code size:
468.5 KB (479,744 bytes)

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

http://download.installs.co/v2/click/9ks3c7y4/?d=http://downloadd.org/.../firefox.exe&n=Mozilla Firefox&key=f806e16416f778679657bfb3f951df5e376a4d273eef706f1f804697ae2c913b&product_image=http://downloadd.org/.../firefox.png&sid=firefox&filename=Firefox

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