chrome_setup.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application chrome_setup.exe by STMSetup has been detected as adware by 18 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
STMSetup  (signed and verified)

MD5:
9eb2e1311d9d3494a0932c6695e11a30

SHA-1:
e958ea119890ae3baf60486dab584ab525fe0242

SHA-256:
f942beda69afdbd71b925f57aa050700f0180b1ee0293d4fcb02cdf6599975e6

Scanner detections:
18 / 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 '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 8:10:24 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.206.68

AVG
Generic
2016.0.3212

Clam AntiVirus
Win.Trojan.Installcore-186
0.98/20012

Comodo Security
Application.Win32.InstallCore.FA
20920

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.VW potentially unwanted application
7.0.302.0

F-Prot
W32/A-6c5f2e7b
v6.4.7.1.166

G Data
Win32.Application.InstallCore.CZ
15.2.25

K7 AntiVirus
Unwanted-Program
13.193.14824

McAfee
CryptInno
5600.6868

NANO AntiVirus
Riskware.Text.Drop.defxwl
0.30.0.65070

Norman
InstallCore.CERT
11.20150201

nProtect
Trojan-Clicker/W32.InstallCore.677176
15.01.30.01

Reason Heuristics
PUP.Installer.ironSource
15.2.1.4

Sophos
PUA 'Install Core Click run software'
5.10

Vba32 AntiVirus
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Adware.InstallCore.Win32.216
2.0.0.2050

File size:
661.3 KB (677,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\chrome_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/28/2014 2:00:00 AM

Valid to:
4/29/2015 1:59:59 AM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:dvvFauP6Onz3Wqw9ktQqyExRoq+1/G2ysqfYIVcn33eGs8hIM:dvvFbP0TNq9RoR/Gjs/IVK+zyI

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

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