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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 28 anti-malware scanners. 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:
bc29b7a72ea9f53d26f08d111d7acc6b

SHA-1:
0cb8e62e5c9545fae873c015634297fd300c925a

SHA-256:
531f1e41fa59c28e362334b3a6064a09aa75364fdb6ea8564cd4eb4ad0382383

Scanner detections:
28 / 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:
5/3/2024 12:24:59 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.IBryte
14.10.17

Avira AntiVirus
Adware/IBryte.JH.2
7.11.138.232

avast!
Win32:Installer-J [PUP]
141003-0

AVG
Adware Skodna.Generic.AGL
2014.0.4040

Baidu Antivirus
Adware.Win32.iBryte
4.0.3.141017

Clam AntiVirus
Win.Adware.Ibryte-82
0.98/18355

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
17993

Dr.Web
Adware.iBryte.3
9.0.1.05190

ESET NOD32
Win32/Adware.iBryte.D application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
10/17/2014

F-Prot
W32/Ibryte.B.gen
4.6.5.141

G Data
Win32.Adware.OptimumInst
14.10.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.2.29

K7 AntiVirus
Adware
13.176.11554

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.494

Malwarebytes
PUP.Optional.IBryte
v2014.10.17.07

McAfee
Adware-FOO!0E0D025A8D7D
5600.6974

NANO AntiVirus
Trojan.Win32.Downware.csnyes
0.28.0.58720

nProtect
Trojan-Clicker/W32.iBryte.685864
14.03.26.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.OptimumInstaller.N
14.10.17.19

Rising Antivirus
PE:Malware.Agent!6.3BF
23.00.65.141015

Sophos
iBryte Optimum Installer
4.98

Trend Micro House Call
HV_INSTALLER_CB24347F.TOMC
7.2.290

Vba32 AntiVirus
Adware.iBryte
3.12.24.3

VIPRE Antivirus
Optimum Installer
27750

Zillya! Antivirus
Adware.iBryte.Win32.296
2.0.0.1832

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
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 5:00:00 PM

Valid to:
11/7/2013 3:59:59 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:
12/20/2012 1:58:29 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:9e7juwDzvwnnjuWMAVwJwoQoS+lG7W5+gWE2qhdYxgddxFFipVqS5LJpLb5qQPpg:9elDz6njuWRw2joS+U4p3h2xudxFFi6T

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...
 
[+]

Entropy:
6.4174

Code size:
426 KB (436,224 bytes)

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