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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 35 anti-malware scanners. 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:
2.1.11

MD5:
621462fdbb893c10d03663400819e009

SHA-1:
7c3f696109298c1b6cdc38ff208d0f29fbf6ca8e

SHA-256:
7a4ba56a36f415b5a2f4e7704ccaf3aa5292a2751db0e4bcd9684d08a31f81bc

Scanner detections:
35 / 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 1:21:31 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Graftor.Elzob.24634
716

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
15.02.18

Avira AntiVirus
Adware/iBryte.JH.2
7.11.150.50

avast!
Win32:Installer-J [PUP]
150129-1

AVG
Adware Skodna.Generic.AGM
2014.0.4253

Baidu Antivirus
Adware.Win32.iBryte
4.0.3.15218

Bitdefender
Gen:Variant.Adware.Graftor.Elzob.24634
1.0.20.245

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
WIN.Adware.Ibryte-97
0.98/19294

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18286

Dr.Web
Adware.Downware.785
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.Elzob.24634
8.15.02.18.04

ESET NOD32
Win32/Adware.iBryte.D application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
2/18/2015

F-Prot
W32/Ibryte.B.gen
4.6.5.141

F-Secure
Gen:Variant.Adware.Graftor.Elzob.24634
11.2015-18-02_4

G Data
Win32.Adware.OptimumInst
15.2.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.2.29

K7 AntiVirus
Backdoor
13.177.12109

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.543

Malwarebytes
PUP.Optional.IBryte
v2015.02.18.04

McAfee
Program.Adware-FOO
16.8.708.2

MicroWorld eScan
Gen:Variant.Adware.Graftor.Elzob.24634
16.0.0.147

NANO AntiVirus
Riskware.Win32.Agent.csnqle
0.28.0.59911

nProtect
Trojan-Clicker/W32.Agent.688936
14.05.16.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.CK4
2.15.14.00

Reason Heuristics
PUP.Installer.Adknowledge
15.2.18.16

Rising Antivirus
PE:Malware.Agent!6.401
23.00.65.15216

Sophos
PUA 'iBryte Optimum Installer'
5.10

Trend Micro House Call
HV_OPTIMUM_CG090002.RDXN
7.2.49

Vba32 AntiVirus
AdWare.iBryte
3.12.26.0

VIPRE Antivirus
Optimum Installer
29298

Zillya! Antivirus
Adware.iBryte.Win32.448
2.0.0.1790

File size:
631.8 KB (646,952 bytes)

Product version:
2.1.11

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:
10/11/2012 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:
1/2/2013 4:46:35 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:fg+TsNVx+PfOR6nn7b/ZxQJhPGYLn6rm9cGN5ywfkIwTBJpczivta:fgZNVx6O4nnv6PGkXcGN5ywYT6ziVa

Entry address:
0x44ED0

Entry point:
E8, 05, EB, 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, 7E, EB, 00, 00, 83, C4, 14, 5D, C3, FF, 35, B4, F2, 48, 00, E8, 7B, 4F, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, E8, A6, 00, 00, 6A, 01, 6A, 00, E8, 7D, EE, 00, 00, 83, C4, 0C, E9, 5E, ED, 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, 64, C8, FF, FF, 83, C4, 14...
 
[+]

Code size:
395.5 KB (404,992 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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