firefox_install.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_install.exe by Download Assistant has been detected as adware by 12 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 and verified)

Product:
Mozilla Firefox

Version:
3.0.0.88

MD5:
4ed4c800a25e11b99ae460dfd78e90d3

SHA-1:
b9d2beb2bda65718106d0bfd2b41c8fbcb6ac6d9

SHA-256:
8aae98615d9cc9ba00b23f1d7975c96bb0940a68fc95dccb2d9aea4a9008d93b

Scanner detections:
12 / 68

Status:
Adware

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

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:
10/31/2024 10:51:44 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Bundler
2015.03.25

avast!
Win32:Adware-CKC [PUP]
150319-1

AVG
Potentially harmful program DownloadAssistant.A
2014.0.4311

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.DownloadAssistant.S
21661

Dr.Web
Trojan.Vittalia.30
9.0.1.05190

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
9.7.0.302.0

NANO AntiVirus
Trojan.Win32.DownloadHelper.dpgylc
0.30.8.659

Panda Antivirus
Trj/Genetic.gen
15.04.22.04

Reason Heuristics
Threat.Air Software.Bundler
15.4.22.12

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.15420

VIPRE Antivirus
Threat.4782985
38552

File size:
845.2 KB (865,456 bytes)

Product version:
3.0.0.88

Copyright:
(c) Download Assistant

Original file name:
firefox_install.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\firefox_install.exe

Digital Signature
Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 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:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
3/23/2015 9:15:46 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:zJlAjMntShNp5KfZGMzA1UQdFPIMEmPaL3bY:1lVntc5Kfxzu9plk3bY

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 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:
7.0593

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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

Remove firefox_install.exe - Powered by Reason Core Security