firefox_setup.exe

DownloadManager.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. 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:
ADK Apps  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
Firefox Setup

Version:
2.1.10

MD5:
8240b0c763875c5c6e2eafc43a8cb5e0

SHA-1:
b3fce6817a73b6de3b9d72995285d075acd7f887

SHA-256:
4a10cb7c67716a5ea6b2b0ad4f74d132a613250a4875982a1d09d778d3219aab

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 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:
1/12/2025 5:08:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.OptimumI.Bundler (M)
16.6.30.15

File size:
671.3 KB (687,400 bytes)

Product version:
2.1.10

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
10/11/2012 2:00:00 AM

Valid to:
11/8/2013 12:59:59 AM

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:
12/20/2012 10:58:29 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:De7juwDzvwnnjuWMAVwJwoQoS+lG7W5+gWE2qhdYxgddxFFipVqS5LJpdb5qQPp0:DelDz6njuWRw2joS+U4p3h2xudxFFi6x

Entry address:
0x4CD70

Entry point:
E8, 55, D5, 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, CE, D5, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 14, 93, 49, 00, E8, 0B, 39, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 38, 91, 00, 00, 6A, 01, 6A, 00, E8, CD, D8, 00, 00, 83, C4, 0C, E9, AE, D7, 00, 00, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B, DF, 77, 1E, E8, A0, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, 54, AF, FF, FF, 83, C4, 14...
 
[+]

Code size:
426 KB (436,224 bytes)

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

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