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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:
2.1.15

MD5:
66239950a2a3d7d2650a662d2a5b5c81

SHA-1:
99c12f9610f57a84ddcd9ee7433e4ad0aafe0c43

SHA-256:
2e0c38746358169c827fe74525ed59701ef927cd405f6073b2a4cf84d573e680

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:
12/25/2024 1:23:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.OptimumI.Bundler (M)
16.6.22.23

File size:
669.8 KB (685,864 bytes)

Product version:
2.1.15

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 9:00:00 PM

Valid to:
11/7/2013 9:59:59 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:
1/9/2013 5:41:11 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:CexhH6HiUVUEPVCWpj7Vy5bwmF6KpvoI+QcGcf7S5DGbJpiUeVGd:CuV6HiUVTPVCWuwmFNvoI7cjSdGaUqY

Entry address:
0x4D4E5

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, 54, 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...
 
[+]

Code size:
424.5 KB (434,688 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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