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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 37 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:
995e065d945d96e0d0cc65265f849ec9

SHA-1:
42e638ace764957eef65b5b9645bb1b732ebee77

SHA-256:
5b1c284f4d2fd765815ee357603344ea8e26a7037df6b753bc8e37704624777d

Scanner detections:
37 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 9:21:44 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.593289
414

Agnitum Outpost
PUA.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
15.12.18

Avira AntiVirus
Adware/iBryte.qoemnb
7.11.141.246

avast!
Adware-gen [Adw]
2014.9-151218

AVG
Adware Skodna.Generic
2016.0.2892

Bitdefender
Application.Generic.593289
1.0.20.1760

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

Comodo Security
Application.Win32.iBryte.R
18069

Dr.Web
Trojan.Packed.25441
9.0.1.0352

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.OptimumInstaller
8.15.12.18.11

ESET NOD32
Win32/AdWare.iBryte.Q application
9.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
12/18/2015

F-Prot
W32/Backdoor2.HTKO
v6.4.7.1.166

F-Secure
Application.Generic.593289
11.2015-18-12_6

G Data
Win32.Application.OptimumInstaller
15.12.24

IKARUS anti.virus
Win32.AdWare
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11696

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.953

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2015.12.18.11

McAfee
Artemis!5032EA165D47
5600.6548

MicroWorld eScan
Application.Generic.593289
16.0.0.1056

NANO AntiVirus
Trojan.Win32.Buzus.ctabuf
0.28.0.59048

nProtect
Trojan/W32.Buzus.1708840
14.05.12.01

Panda Antivirus
PUP/iBryte
15.12.18.11

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.DK4
12.15.14.00

Reason Heuristics
PUP.Adknowledge.INSTALLDOTEXE.Installer (M)
15.12.18.11

Rising Antivirus
PE:PUF.PremiumInstaller!1.9F73
23.00.65.151216

Sophos
iBryte Optimum Installer
4.98

SUPERAntiSpyware
Adware.OptimumInstaller/Variant
9440

Total Defense
Win32/Tnega.EHeKKHD
37.0.10885

Trend Micro House Call
TROJ_GEN.F47V0127
7.2.352

Trend Micro
TROJ_BUZUS_DD300467.UVPA
10.465.18

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:
530.3 KB (543,016 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:\users\{user}\downloads\update.exe

Digital Signature
Signed by:
INSTALL DOT EXE

Authority:
VeriSign, Inc.

Valid from:
10/3/2013 8:00:00 PM

Valid to:
9/20/2014 7:59:59 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:
2/14/2014 12:30:12 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:StohBldpQEQyy8W/kcZsRjjcMb+RjuEzpMv:S2vl88W/UXb+Rjuzv

Entry address:
0x35E39

Entry point:
E8, BB, 8D, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 60, 5D, 47, 00, E8, 41, 36, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 1C, 03, 48, 00, 77, 22, 6A, 04, E8, BE, 8F, 00, 00, 59, 83, 65, FC, 00, 56, E8, 20, 9D, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, 4D, 36, 00, 00, C3, 6A, 04, E8, A1, 8E, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 74, EF, 47, 00, 00, 75, 18, E8, F2, 82, 00, 00, 6A, 1E, E8, 1A, 81, 00, 00, 68, FF, 00, 00, 00, E8, E3, 4D, 00, 00, 59, 59, A1...
 
[+]

Entropy:
6.4352

Code size:
393 KB (402,432 bytes)

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

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

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