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firefox_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application firefox_setup.exe, “Firefox Setup ” by Optimum Installer 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 Adknowledge Fusion 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:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
Firefox Setup

Version:
3.4.7

MD5:
18adffefbc4f13556d7fdbb7792092ff

SHA-1:
a5829ccb8b2b175da2ace88f52ceb105a4b8b012

SHA-256:
a611c8bb6bdcd423899c733cb07c991893bf52827e360c2f9cb43ce752e2ac3c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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:
4/30/2024 3:49:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.2.21.7

File size:
769.8 KB (788,264 bytes)

Product version:
3.4.7

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

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:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 6:00:00 PM

Valid to:
11/7/2013 4:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
4/22/2013 7:30:48 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:kAxqHpPuk0HYVQ+A4NQHK/A+PQju+kSKJy/:BKFzGYVpA4NQbmQoSky/

Entry address:
0x53505

Entry point:
E8, 61, E1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, DA, E1, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 24, AD, 4A, 00, E8, 06, 4D, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 31, A3, 00, 00, 6A, 01, 6A, 00, E8, D9, E4, 00, 00, 83, C4, 0C, E9, BA, E3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.5434

Code size:
459.5 KB (470,528 bytes)

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

http://install2.ez-download.com/o/.../Firefox_setup.exe

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