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 39 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:
6be5efd335f3c986c159982bc27c14d6

SHA-1:
ca98ecedf85545dd06c8c7b65973ed85aacbbe9a

SHA-256:
45a23d3ad55ee0d01074d828b1dbf97de373fe430db648b2b59a7570950bfbb3

Scanner detections:
39 / 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:
4/26/2024 7:45:40 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.593289
435

Agnitum Outpost
PUA.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
15.11.27

Avira AntiVirus
Adware/iBryte.qoemnb
7.11.141.246

avast!
Win32:Adware-gen [Adw]
2014.9-151127

AVG
Adware Skodna.Generic
2016.0.2913

Bitdefender
Application.Generic.593289
1.0.20.1655

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
Application.Win32.iBryte.R
18069

Dr.Web
Adware.Downware.2165
9.0.1.0331

Emsisoft Anti-Malware
8.15.11.27.07

Fortinet FortiGate
Riskware/IBryte
11/27/2015

F-Prot
W32/Backdoor2.HTKO
v6.4.7.1.166

F-Secure
Application.Generic.593289
11.2015-27-11_6

G Data
Win32.Application.OptimumInstaller
15.11.24

IKARUS anti.virus
Win32.AdWare
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11696

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.1058

Malwarebytes
v2015.11.27.07

McAfee
Artemis!5032EA165D47
5600.6569

MicroWorld eScan
Application.Generic.593289
16.0.0.993

NANO AntiVirus
Trojan.Win32.Buzus.ctabuf
0.28.0.59048

nProtect
Trojan/W32.Buzus.1708840
14.05.12.01

Panda Antivirus
15.11.27.07

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.DK4
11.15.14.00

Reason Heuristics
PUP.Adknowledge.INSTALLDOTEXE.Installer (M)
15.11.27.7

Rising Antivirus
PE:PUF.PremiumInstaller!1.9F73
23.00.65.151125

Total Defense
Win32/Tnega.EHeKKHD
37.0.10885

Trend Micro House Call
TROJ_GEN.F47V0127
7.2.331

Trend Micro
TROJ_BUZUS_DD300467.UVPA
10.465.27

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:

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:
1/31/2014 2:58:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:CL3t34+mXo6ZC3l38FZOam4TYcq/HH20h3wDMa3aNatELzbahBZK:CL3t34+wt2lMTTFqRGMagyE/bahBg

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.

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