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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, “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:
Setup

Version:
2.1.13

MD5:
3bc5275d14935d308acd65184a540f4f

SHA-1:
daf9696c76c1c839766e7c87ae89a858730bbe52

SHA-256:
d988d2488e1b7dad6a586ea2d97ea5d1f078d7139205e9c3e36d21e40cd04e37

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:
4/24/2024 9:36:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.OptimumI.Bundler (M)
16.5.28.7

File size:
630.8 KB (645,928 bytes)

Product version:
2.1.13

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
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 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:
1/4/2013 3:32:18 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:96C0w9s0Dj3LF0JNjnmz0w8ajtzBwOhIzcJUE+JpA+xzSA:9x0w9s0DTLF0PKz0ruBNGoJUmyzSA

Entry address:
0x45425

Entry point:
E8, BE, DF, 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, 37, E0, 00, 00, 83, C4, 14, 5D, C3, FF, 35, EC, F8, 48, 00, E8, 76, 4F, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, F3, A6, 00, 00, 6A, 01, 6A, 00, E8, 36, E3, 00, 00, 83, C4, 0C, E9, 17, E2, 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, CF, C8, FF, FF, 83, C4, 14...
 
[+]

Entropy:
6.3891

Code size:
394.5 KB (403,968 bytes)

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

http://secure.oi-installer1.com/o/.../Firefox_Setup.exe

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