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osplayer.exe

Software Application

GT Consultoria em Informática Ltda

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application osplayer.exe, “Software Application Setup ” by GT Consultoria em Informáticaa has been detected as adware by 10 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.
Publisher:
GT Consultoria em Informática Ltda  (signed and verified)

Product:
Software Application

Description:
Software Application Setup

MD5:
c6e837f853bbf8d20f3d4b40fb7793b6

SHA-1:
8efc21fb84f8add1bdbb6b5c187a897ff8515d96

SHA-256:
eab65a1abc85373a5db85ff052455a6afca3bf31b3f9b19f9ef6e3c1866e73fc

Scanner detections:
10 / 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:
11/25/2024 4:49:46 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.734584
7.11.199.196

AVG
Generic
2016.0.3237

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1517

Dr.Web
Trojan.Packed.29771
9.0.1.07

ESET NOD32
Win32/InstallCore.UQ (variant)
9.10973

Fortinet FortiGate
Riskware/InstallCore
1/7/2015

McAfee
Artemis!C6E837F853BB
5600.6893

Reason Heuristics
PUP.Installer.GTConsultoriaemInformaticaa.I
15.1.7.0

Trend Micro House Call
Suspicious_GEN.F47V1219
7.2.7

VIPRE Antivirus
Trojan.Win32.Generic
36436

File size:
717.4 KB (734,584 bytes)

Product version:
4.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
GT Consultoria em Informática Ltda

Authority:
COMODO CA Limited

Valid from:
6/30/2014 3:00:00 AM

Valid to:
7/1/2015 2:59:59 AM

Subject:
CN=GT Consultoria em Informática Ltda, O=GT Consultoria em Informática Ltda, STREET=Av. Dr Paulo Japiassu Coelho 664, L=Juiz de Fora, S=Minas Gerais, PostalCode=36033-310, C=BR

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

Serial number:
00F50B06E8234F5A0EB2D866646C969911

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:prRa+LTQ79Eo4opK2pqarg37um3zlY3GU4XfJ6a5tLNCeiRbG8lbC+vB40PD7Qok:prRxfQ7mnw637umjKafLraxUS4oD7RiN

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:
7.8736

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.opensubhosting.com/?ic_user_id=742

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