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update.exe

INSTALL DOT EXE

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application update.exe, “Premium Installer ” by INSTALL DOT EXE has been detected as adware by 38 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from downloadju.com.
Publisher:
Premium Installer   (signed by INSTALL DOT EXE)

Product:
Premium Installer

Description:
Premium Installer

Version:
2.4.8.1

MD5:
06636478d585acba1d06d7ebcf43e2ec

SHA-1:
9f176917b2bb8ae717a1560137efdd8a38efc38a

Scanner detections:
38 / 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:
4/26/2024 12:08:40 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.593289
354

Agnitum Outpost
PUA.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
16.02.15

Avira AntiVirus
Adware/iBryte.qoemnb
7.11.141.246

avast!
Adware-gen [Adw]
2014.9-160215

AVG
Adware Skodna.Generic
2017.0.2832

Bitdefender
Application.Generic.593289
1.0.20.230

Clam AntiVirus
Win.Adware.Agent-6804
0.98/21411

Comodo Security
Application.Win32.iBryte.R
18069

Dr.Web
Trojan.Packed.25441
9.0.1.046

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.OptimumInstaller
8.16.02.15.03

ESET NOD32
Win32/AdWare.iBryte.Q application
10.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
2/15/2016

F-Prot
W32/Backdoor2.HTKO
v6.4.7.1.166

F-Secure
Application.Generic.593289
11.2016-15-02_2

G Data
Win32.Application.OptimumInstaller
16.2.24

IKARUS anti.virus
Win32.AdWare
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11696

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.657

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2016.02.15.03

McAfee
Artemis!5032EA165D47
5600.6488

MicroWorld eScan
Application.Generic.593289
17.0.0.138

NANO AntiVirus
Trojan.Win32.Buzus.ctabuf
0.28.0.59048

Norman
Gen:Variant.Application.Bundler.OptimumInstaller.1
11.20160215

nProtect
Trojan/W32.Buzus.1708840
14.05.12.01

Panda Antivirus
PUP/iBryte
16.02.15.03

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.DK4
2.16.14.00

Reason Heuristics
PUP.Adknowledge.INSTALLDOTEXE.Installer (M)
16.2.15.15

Rising Antivirus
PE:PUF.PremiumInstaller!1.9F73
23.00.65.16213

Sophos
iBryte Optimum Installer
4.98

SUPERAntiSpyware
Adware.OptimumInstaller/Variant
9322

Total Defense
Win32/Tnega.EHeKKHD
37.0.10885

Trend Micro House Call
TROJ_GEN.F47V0127
7.2.46

Trend Micro
TROJ_BUZUS_DD300467.UVPA
10.465.15

Vba32 AntiVirus
SScope.Malware-Cryptor.iBryte
3.12.26.0

VIPRE Antivirus
Optimum Installer
28128

Zillya! Antivirus
Trojan.Buzus.Win32.120254
2.0.0.1775

File size:
539.8 KB (552,744 bytes)

Product version:
2.4.8.1

Copyright:
Copyright (C) 2013 Premium Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
INSTALL DOT EXE

Authority:
VeriSign, Inc.

Valid from:
10/3/2013 7:00:00 PM

Valid to:
9/20/2014 6:59:59 PM

Subject:
CN=INSTALL DOT EXE, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=INSTALL DOT EXE, 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:
4C8303B332693FCF64E1E7DFD7841493

File PE Metadata
Compilation timestamp:
2/7/2014 10:01:43 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:U5RrTh9dBgZbjyvkqq3lZKLAeSsALygM0NZuqpGK:C5BhvkqREeULygM0NEfK

Entry address:
0x3B5E8

Entry point:
E8, C7, 60, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 28, 7D, 47, 00, E8, CA, 09, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 18, 23, 48, 00, 77, 22, 6A, 04, E8, CA, 62, 00, 00, 59, 83, 65, FC, 00, 56, E8, 2C, 70, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, D6, 09, 00, 00, C3, 6A, 04, E8, AD, 61, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 74, 0F, 48, 00, 00, 75, 18, E8, 02, 56, 00, 00, 6A, 1E, E8, 2A, 54, 00, 00, 68, FF, 00, 00, 00, E8, 44, 21, 00, 00, 59, 59, A1...
 
[+]

Entropy:
6.4343

Code size:
402.5 KB (412,160 bytes)

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

http://downloadju.com/direct/.../update.exe

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