» chrome_setup.exe
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Analysis
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chrome_setup.exe

INSTALL DOT EXE

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application chrome_setup.exe, “Premium Installer ” by INSTALL DOT EXE has been detected as adware by 40 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. With this installer, users are expecting to download Google's Chrome web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.

File name:

chrome_setup.exe

Publisher:

Premium Installer (signed by INSTALL DOT EXE)

Product:

Premium Installer

Description:

Premium Installer

Version:

2.4.8.1

MD5:

0b2226abbd8673481814fd5f09f390b8

SHA-1:

e243b487dc48a98ed58230be784e6101b5aaf088

SHA-256:

fc13766a2a791906d91323ad87028daa663f8ff7a114acf68217ebc2aeca1acd

Scanner detections:

40 / 68

Status:

Adware

Explanation:

Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:

4/19/2024 9:27:31 AM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Gen:Variant.Application.Bundler.OptimumInstaller.1

441

Agnitum Outpost

PUA.Agent

7.1.1

AhnLab V3 Security

Trojan/Win32.Buzus

2014.02.09

Avira AntiVirus

Adware/iBryte.M

7.11.130.82

avast!

Win32:IBryte-CD [PUP]

2014.9-151121

AVG

Adware InstallCore.P

2016.0.2919

Baidu Antivirus

Adware.Win32.iBryte

4.0.3.151121

Bitdefender

Application.Generic.593289

1.0.20.1625

Bkav FE

W32.HfsAdware

1.3.0.6379

Clam AntiVirus

Win.Adware.Agent-6804

0.98/20218

Comodo Security

Application.Win32.iBryte.R

17759

Dr.Web

Adware.Downware.2165

9.0.1.0325

Emsisoft Anti-Malware

Gen:Variant.Application.Bundler.OptimumInstaller

8.15.11.21.10

ESET NOD32

Win32/AdWare.iBryte.Q application

9.7.0.302.0

Fortinet FortiGate

Riskware/IBryte

11/21/2015

F-Prot

W32/Backdoor2.HTKO

v6.4.7.1.166

F-Secure

Riskware.Gen:Variant.Application.Bundler

11.2015-21-11_7

G Data

Win32.Application.OptimumInstaller

15.11.24

IKARUS anti.virus

Win32.AdWare

t3scan.2.2.29

K7 AntiVirus

Adware

13.176.11595

Kaspersky

HEUR:Trojan.Win32.Generic

14.0.0.1088

Malwarebytes

PUP.Optional.OptimumInstaller.A

v2015.11.21.10

McAfee

Artemis!5032EA165D47

5600.6575

MicroWorld eScan

Application.Generic.593289

16.0.0.975

NANO AntiVirus

Trojan.Win32.Buzus.ctabuf

0.28.0.57630

Norman

Gen:Variant.Application.Bundler.OptimumInstaller.1

11.20151121

nProtect

Trojan-Clicker/W32.iBryte.555816

14.05.09.01

Panda Antivirus

PUP/iBryte

15.11.21.10

Qihoo 360 Security

HEUR/Malware.QVM10.Gen

1.0.0.1015

Quick Heal

Adware.iBryte.DK4

11.15.14.00

Reason Heuristics

PUP.Adknowledge.INSTALLDOTEXE.Installer (M)

15.11.21.10

Rising Antivirus

PE:PUF.PremiumInstaller!1.9F73

23.00.65.151119

Sophos

iBryte Optimum Installer

4.97

SUPERAntiSpyware

Adware.OptimumInstaller/Variant

9494

Total Defense

Win32/Tnega.SRDMYD

37.0.10849

Trend Micro House Call

TROJ_GEN.F47V0127

7.2.325

Trend Micro

TROJ_BUZUS_DD30051C.UVPA

10.465.21

Vba32 AntiVirus

SScope.Malware-Cryptor.iBryte

3.12.24.3

VIPRE Antivirus

Optimum Installer

26304

Zillya! Antivirus

Trojan.Buzus.Win32.120232

2.0.0.1771

File size:

1.6 MB (1,679,144 bytes)

Product version:

2.4.8.1

File type:

Executable application (Win32 EXE)

Bundler/Installer:

Adknowledge Fusion

Language:

English (United States)

Common path:

C:\users\{user}\downloads\chrome_setup.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:

1/29/2014 2:12:18 PM

OS version:

5.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

9.0

CTPH (ssdeep):

49152:X0/Z8Nl6ENiW5n2+thxH3sTBGr8kLc1ABGBd834:yZ8NYEARmvXsTurBBd34

Entry address:

0x373B5

Entry point:

E8, C2, 8C, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, B8, 6C, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, 78, 4A, 59, 00, 77, 22, 6A, 04, E8, C5, 8E, 00, 00, 59, 83, 65, FC, 00, 56, E8, 27, 9C, 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, A8, 8D, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, D4, 36, 59, 00, 00, 75, 18, E8, F9, 81, 00, 00, 6A, 1E, E8, 21, 80, 00, 00, 68, FF, 00, 00, 00, E8, 37, 4D, 00, 00, 59, 59, A1... 
[+]

Entropy:

7.0898

Code size:

397 KB (406,528 bytes)

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

http://officialpcupdates.com/browser-update/.../install.php?sid=cpa&uid=&source=WWW-Chrome-US&transaction_id=ca35c520-1437-438d-ae3a-a7b3089569d4

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