chrome_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application chrome_setup.exe, “Chrome Setup ” by Optimum Installer has been detected as adware by 32 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The installer is marketed through download protals and search ads as Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
Chrome Setup

Version:
3.4.8

MD5:
3d86836b67f9d9b394a117f855b5b8c7

SHA-1:
2c08905bea6a22b21d731d2e926ba2179ee7c9fb

SHA-256:
46d3e880a9e5d33197bd6bdc8364dc3bb98a816974761434adbda187e995053a

Scanner detections:
32 / 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:
11/14/2018 3:00:25 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
16.01.16

Avira AntiVirus
Adware/Agent.aecefe
7.11.141.72

avast!
Win32:Installer-J [PUP]
2014.9-160116

AVG
Adware Generic5
2017.0.2863

Bitdefender
Application.Generic.526895
1.0.20.80

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
WIN.Adware.Ibryte-137
0.98/20238

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18047

Dr.Web
Adware.Downware.1246
9.0.1.016

ESET NOD32
Win32/Adware.iBryte.G application
10.7.0.302.0

Fortinet FortiGate
Riskware/IBryte
1/16/2016

F-Prot
W32/Ibryte.C.gen
v6.4.6.5.141

G Data
Win32.Adware.OptimumInst
16.1.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.2.29

K7 AntiVirus
Trojan
13.176.11784

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.808

Malwarebytes
PUP.Optional.Ibryte
v2016.01.16.10

McAfee
Program.Adware-FOO
5600.6519

MicroWorld eScan
Application.Generic.526895
17.0.0.48

NANO AntiVirus
Riskware.Win32.Agent.ctvmvt
0.28.0.59288

Norman
Agent.ASWDM
11.20160116

nProtect
Trojan-Clicker/W32.Agent.909608
14.03.18.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
PUA.Optimumins.Gen
1.16.14.00

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.1.16.10

Rising Antivirus
PE:Malware.iBryte!6.61
23.00.65.16114

Sophos
PUA 'iBryte Optimum Installer'
59

Total Defense
Win32/Zbot.HIE
37.0.10911

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.26.0

VIPRE Antivirus
Optimum Installer
28036

Zillya! Antivirus
Adware.Agent.Win32.8293
2.0.0.1775

File size:
875.8 KB (896,808 bytes)

Product version:
3.4.8

Original file name:
Setup.exe

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
Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, 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:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
6/21/2013 1:54:08 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:uT1vSygZ5noUSa+PfJQRiSFlJWGIBgHXqmW0:gkynUSacfKRiKvIBgHXI0

Entry address:
0x579B2

Entry point:
E8, 94, F1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 0D, F2, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 3C, 33, 4B, 00, E8, A9, 4C, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 62, AE, 00, 00, 6A, 01, 6A, 00, E8, 0C, F5, 00, 00, 83, C4, 0C, E9, ED, F3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.7211

Code size:
484 KB (495,616 bytes)

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

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