home

FirefoxSetup.exe

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 FirefoxSetup.exe by Download Assistant 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 Assistant  (signed and verified)

Product:
Firefox

Version:
3.0.0.111

MD5:
0052ee062f727c817a9426f78a573a2b

SHA-1:
20cb507c945866668d58b98920821e853a29c681

SHA-256:
e5f8023a9d23c20ea022c8549f0e6cf9e437ebd0fbf0bee2d14bcb1f34cba032

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 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:
11/30/2024 3:29:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.1.9.20

File size:
964.8 KB (987,928 bytes)

Product version:
3.0.0.111

Copyright:
(c) Download Assistant

Original file name:
FirefoxSetup.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\inetcache\ie\{random}\firefoxsetup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
6/20/2015 8:00:00 PM

Valid to:
6/20/2016 7:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
68A4319BC2FC7C8CEA600E8D68FFA326

File PE Metadata
Compilation timestamp:
7/22/2015 11:35:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:OpIQvpnnGXmU9pTTACgBLvtuV8yx8iHF6whX5:O7nivpTcC+vtuV8yfbX5

Entry address:
0x1288

Entry point:
55, 8B, EC, 83, EC, 14, 53, 56, 57, 6A, 00, FF, 15, 08, 20, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 89, 5D, FC, 0F, B7, 73, 14, 83, C6, 18, 03, F3, 2B, 05, 1C, 10, 40, 00, 89, 45, F0, 1B, D2, 89, 75, EC, F7, D8, 89, 55, F4, 83, D2, 00, F7, DA, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 46, 0C, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, C6, FD, FF, FF, 56, FF, 35, 28, 10, 40, 00, 8B, CF, E8, 42, FF, FF, FF, A1, 20, 10, 40, 00, 83, C4, 18, 83, C6, 28, 83, F8, 01, 76, 18, 56, FF, 35, 2C, 10...
 
[+]

Entropy:
7.0512

Developed / compiled with:
Microsoft Visual C++

Code size:
577 KB (590,848 bytes)

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

http://dl.everydownload1.com/v2/click/pn8b7cor/?d=http://software.downloadtree.net/firefox.exe&sid=Firefox-US&uid=4543133&key=cd0715e03d96ce64faf15b8f68d3ae1a406cfd05a90d6cfe6023fa1af373f622&affiliate_image=&product_image=https://s3.amazonaws.com/evdlimages/.../firefox-product.jpg&n=Firefox&filename=FirefoxSetup

Remove FirefoxSetup.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.