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megacubo_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 megacubo_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 www.megacubo.net and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
65ac905d732bb5d1e30726261e771a1f

SHA-1:
2629f5e7386d80528f34aba9653a02bf18217f38

SHA-256:
a240ea0a234478bc0a9970b6330b556b5596a2b9ac4d4b88fc562a9845fd5ac8

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/20/2024 4:33:42 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3357

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1499

Dr.Web
Adware.InstallCore.386
9.0.1.0252

ESET NOD32
Win32/InstallCore.QB (variant)
8.10341

Fortinet FortiGate
Riskware/InstallCore
9/9/2014

K7 AntiVirus
Trojan
13.183.13218

Norman
InstallCore.CERT
11.20140909

Reason Heuristics
PUP.Installer.STMSetup.O
14.9.9.9

Sophos
Install Core Click run software
4.98

Trend Micro House Call
Suspicious_GEN.F47V0817
7.2.252

VIPRE Antivirus
InstallCore
32682

Zillya! Antivirus
Adware.InstallCore.Win32.159
2.0.0.1906

File size:
771.5 KB (789,976 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/27/2014 9:00:00 PM

Valid to:
4/28/2015 8:59:59 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 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rVvoGVofXBsYMtNz8yu6LlH5d0Z5Jy3BapNRQi:rpoGSfB2tNa6LlHq5JygBj

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, 53, C9, FF, FF, E8, 9A, 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 megacubo_setup.exe has been seen being distributed by the following 2 URLs.

http://www.megacubo.net/.../?download

http://icdn.megacubofiles.net/Megacubo_Setup.exe

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