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firefox_setup.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_setup.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. 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

Version:
3.0.0.112

MD5:
baa1a9133db3ae8ce0774bd3d2c666be

SHA-1:
a347fc3c9808670ffeff8a9593fcc8be26f795ea

SHA-256:
1fab96428602978edaa74a9bf2709566def80feaba82091af6927814f83f5f9d

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 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:
12/26/2024 11:45:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.3.21

File size:
965.3 KB (988,440 bytes)

Product version:
3.0.0.112

Copyright:
(c) Download Assistant

Original file name:
firefox_setup.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_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
7/2/2015 7:00:00 PM

Valid to:
7/2/2016 6:59:59 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:
58D15D11CD769D740FA555864465D65B

File PE Metadata
Compilation timestamp:
7/24/2015 4:59:39 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:Fe1F7XP0RnumekKeV87J6w0bIL895CxmY9HVK1:FwF7XP0JM/V6/soynVK1

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:
7.0587

Developed / compiled with:
Microsoft Visual C++

Code size:
577 KB (590,848 bytes)

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

http://software.install-wiz.com/v2/click/ca075ba8/?d=http://sonicdownloads.com/download/firefox_setup.exe&key=6c6c7148f4acc5516fe57d1d1d537c014b3e5abbf6ae2678b7ab9b3dd35b6359&sid=ffuk3-sncdlds-202548-7793510175-&uid=&affiliate_image=http://sonicdownloads.com/.../firefox-logo.png&product_image=http://sonicdownloads.com/.../firefox-img.png&n=Mozilla Firefox&filename=firefox_setup

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