gameosetup.exe

CoolAppDownloads

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application gameosetup.exe by CoolAppDownloads has been detected as adware by 20 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.bestusefuldownloads.com.
Publisher:
CoolAppDownloads  (signed and verified)

MD5:
49918a7d09a6146de6361f5551c94bff

SHA-1:
b94de316d1c374dca400493d5fc2e9d4b2e5ddf7

SHA-256:
79a71bf6e63adcb2641353b16a63936f93c318f3e887adf97df787623e0078c0

Scanner detections:
20 / 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 11:12:54 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.138.0

AVG
Adware InstallCore
2015.0.3340

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14925

Comodo Security
Application.Win32.Installcore.VDFG
17959

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0268

ESET NOD32
Win32/InstallCore.JW potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

G Data
Win32.Application.InstallCore
14.9.24

K7 AntiVirus
Unwanted-Program
13.180.12733

Malwarebytes
v2014.09.25.04

McAfee
Trojan.Artemis!3BE61A54D74D
5600.6996

NANO AntiVirus
Riskware.Win32.InstallCore.dfgoqb
0.28.2.62151

nProtect
Trojan.Generic.11241928
14.05.02.01

Reason Heuristics
PUP.Installer.CoolAppDownloads.K
14.9.25.16

SUPERAntiSpyware
10338

Vba32 AntiVirus
BScope.Trojan.MTA.0162
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27560

Zillya! Antivirus
Adware.Agent.Win32.8971
2.0.0.1776

File size:
764.3 KB (782,616 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
8/14/2013 8:00:00 PM

Valid to:
8/15/2014 7:59:59 PM

Subject:
CN=CoolAppDownloads, O=CoolAppDownloads, STREET=63 Ronthschild Blvd, L=Tel Aviv, S=Israel, PostalCode=65785, C=IL

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

Serial number:
00C1B6068CBEB4D13FFA1A0A377FF3960B

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:LnvpkdTkeB/Zt0GsAdEOVY5dHn8p+756ofyUFRlwY6TGNgJZegnUoLsyir4n:LnvSdTkK5sBeY5dHnGWhyS/9eJZXn

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...
 
[+]

Entropy:
7.8749

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

Code size:
37 KB (37,888 bytes)

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

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