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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. 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

Version:
3.0.0.95

MD5:
7c1ca8f0c977875d25264383ace8e709

SHA-1:
cf17c495d992b2410d2551a81c43f38e491ff760

SHA-256:
4e6e7ed0cff4b93e71e2d8092b03a3c7db6c655e8c5e2c9080d3ad38aefd433e

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:
12/27/2024 3:18:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.23.13

File size:
959.7 KB (982,704 bytes)

Product version:
3.0.0.95

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:
2/16/2015 1:00:00 AM

Valid to:
2/17/2016 12:59:59 AM

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:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
4/28/2015 10:13:46 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:1WzczVEuoUtj3tpzlMmmhY+YCXjgo0E/exiRipqak:0stoUtj9pzKmmexmYk

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0550

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

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

http://download.speedydownloaders.com/v2/click/r8zihncw/?d=http://downloadsly.com/download/firefox_setup.exe&key=33b86aebf17edef79f5add8265029f7bfb4bfe5cf95bdc1f7b51fd82eb9b02b6&sid=ffdom-dldsly-202548-7345518712-307&uid=&affiliate_image=http://downloadsly.com/.../firefox-logo.png&product_image=http://downloadsly.com/.../firefox-img.png&n=Mozilla Firefox&filename=firefox_setup

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