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word_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 word_setup.exe by STMSetup has been detected as adware by 12 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 file has been seen being downloaded from cdn.click-downloadnow.com.
Publisher:
STMSetup  (signed and verified)

MD5:
4858af16094527eee03434c05aefe7f4

SHA-1:
d8a63ad8965683bd7808327b4e989a114a93ff51

SHA-256:
30496b426832cadc1c2e164128fc96cc207d759c74082d6aa48e160ddca8b568

Scanner detections:
12 / 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:
5/19/2024 3:43:26 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.OU
7.11.177.158

AVG
Generic
2015.0.3325

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141010

Dr.Web
Adware.InstallCore.386
9.0.1.0283

ESET NOD32
Win32/InstallCore.OU (variant)
8.10544

Fortinet FortiGate
Riskware/InstallCore
10/10/2014

K7 AntiVirus
Unwanted-Program
13.183.13642

McAfee
Artemis!4858AF160945
5600.6981

Norman
InstallCore.CERT
11.20141010

Reason Heuristics
PUP.Installer.STMSetup.K
14.10.10.20

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
InstallCore
33808

File size:
772.9 KB (791,456 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\word_setup.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/27/2014 8:00:00 PM

Valid to:
4/28/2015 7:59:59 PM

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:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:AoFaXehKIE7MSiYtSKHQkYTX4xdJWS6ZcP6Mo2luDAfqB6+W:AoFWUKX7xsiYTInIZcPloouDAyB8

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...
 
[+]

Entropy:
7.8262

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.click-downloadnow.com/?ic_user_id=212

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