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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 35 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. 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:
47c9c73b45790f69e64d5aca371dc5ca

SHA-1:
fb45670d0e7c8b4023e802932ed3996af92bd867

SHA-256:
0bbbee46a135e80c4437cd8b96ea539f25a49e5a52528a5fd5ba19c7438b0924

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:
4/19/2024 10:07:34 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.593289
946

Agnitum Outpost
PUA.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
14.07.03

Avira AntiVirus
Adware/iBryte.qoemnb
7.11.141.246

avast!
Adware-gen [Adw]
140617-1

AVG
Adware Skodna.Generic.AUF
2014.0.3986

Bitdefender
Application.Generic.593289
1.0.20.920

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

Comodo Security
Application.Win32.iBryte.R
18069

Dr.Web
Trojan.Packed.25441
9.0.1.05190

ESET NOD32
Win32/AdWare.iBryte.Q application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
7/3/2014

F-Prot
W32/Backdoor2.HTKO
v6.4.7.1.166

F-Secure
Application.Generic.593289
11.2014-03-07_5

G Data
Win32.Application.OptimumInstaller
14.7.24

IKARUS anti.virus
Win32.AdWare
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11696

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.3616

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2014.07.03.05

McAfee
Artemis!5032EA165D47
5600.7080

MicroWorld eScan
Application.Generic.593289
15.0.0.552

NANO AntiVirus
Trojan.Win32.Buzus.ctabuf
0.28.0.59048

nProtect
Trojan/W32.Buzus.1708840
14.05.12.01

Panda Antivirus
PUP/iBryte
14.07.03.05

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.INSTALLDOTEXE.G
14.8.8.3

Rising Antivirus
PE:PUF.PremiumInstaller!1.9F73
23.00.65.14701

Sophos
iBryte Optimum Installer
4.98

SUPERAntiSpyware
Adware.OptimumInstaller/Variant
10506

Total Defense
Win32/Tnega.EHeKKHD
37.0.10885

Trend Micro House Call
TROJ_GEN.F47V0127
7.2.184

Trend Micro
TROJ_BUZUS_DD300467.UVPA
10.465.03

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:
1.6 MB (1,671,464 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 5:00:00 PM

Valid to:
9/20/2014 4:59:59 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:
1/31/2014 11:58:04 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:hL3t34+mXo6ZC3l38FZOam4TYcq/HH20h3wDMa3aNat4LzbahBZU:hL3t34+wt2lMTTFqRGMagy4/bahBK

Entry address:
0x37725

Entry point:
E8, 5A, 8E, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, E0, 6C, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, D8, 26, 59, 00, 77, 22, 6A, 04, E8, 5D, 90, 00, 00, 59, 83, 65, FC, 00, 56, E8, BF, 9D, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, CD, 35, 00, 00, C3, 6A, 04, E8, 40, 8F, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 14, 13, 59, 00, 00, 75, 18, E8, 95, 83, 00, 00, 6A, 1E, E8, BD, 81, 00, 00, 68, FF, 00, 00, 00, E8, D7, 4C, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.0892

Code size:
398.5 KB (408,064 bytes)

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

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

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