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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. 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:
ADK Apps  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
Firefox Setup

Version:
2.1.16

MD5:
35eeca9140fa0c00dea422ba6ecffd15

SHA-1:
3477e5c9abc039050112545ae17c3c06536b0191

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:
1/12/2025 5:27:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.7.21.0

File size:
672.8 KB (688,936 bytes)

Product version:
2.1.16

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\firefox_setup.exe

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 7:00:00 PM

Valid to:
11/7/2013 5:59:59 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:
1/18/2013 1:04:15 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:DxNPJ97R8HlyyMiFmoaO2w5fXYKtSJ8K0N0hvN9ycqrVUkJpv3KBg7b:DxNPv2HlyyMiFmoaGXBtPK0N0hvNu6K3

Entry address:
0x4DC25

Entry point:
E8, DE, C9, 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, 57, CA, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 64, 99, 49, 00, E8, F6, 38, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 23, 91, 00, 00, 6A, 01, 6A, 00, E8, 56, CD, 00, 00, 83, C4, 0C, E9, 37, CC, 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, 9B, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, BF, AF, FF, FF, 83, C4, 14...
 
[+]

Entropy:
6.4174

Code size:
427 KB (437,248 bytes)

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

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

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