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firefoxsetup.exe

Firefox

Download Helper

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 firefoxsetup.exe by Download Helper has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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 Helper  (signed and verified)

Product:
Firefox

Version:
3.0.0.134

MD5:
442a3647154b07c79f7fe74f6bb37f16

SHA-1:
c710e771a19666fae97793d308dea5918c16cd47

SHA-256:
5894e6d36c26f8ef2721bd81668e8c0d96ead6326502ca2070d9a59e9b558a85

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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 6:07:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.28.10

File size:
1.1 MB (1,137,024 bytes)

Product version:
3.0.0.134

Copyright:
(c) Download Helper

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\firefoxsetup.exe

Digital Signature
Signed by:
Download Helper

Authority:
COMODO CA Limited

Valid from:
12/21/2015 4:00:00 PM

Valid to:
12/21/2016 3:59:59 PM

Subject:
CN=Download Helper, O=Download Helper, STREET=536 Herald St Unit 308, L=Victoria, S=BC, PostalCode=V8W1S5, C=CA

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00D8A6413EB3267DC1CF0061798927B475

File PE Metadata
Compilation timestamp:
1/30/2013 6:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:CxGU/DhE6yGVvzviZntxF/VVIR8tbZkv4pbLN9SL7YFQIO:n0DhByGVvzvilVj08tb+api7ZIO

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9676

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://everydownload.softwaredelivery14.com/v2/click/080af549/?d=http://software.every-download.com/firefox.exe&sid=Firefox-US-GEM&uid=8661772&key=a6e980db561447a379687464a4f32eb949f3b577927cffaf4a6dbd3016446a2e&affiliate_image=&product_image=https://s3.amazonaws.com/evdlimages/firefox/firefox-product.jpg&n=Firefox&filename=FirefoxSetup&done_url=http://thankufordownloading.com/thank-you/&cancel_url=http://thankufordownloading.com/.../

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