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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 14 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:
f253c7623341147aa67b6978f908f4aa

SHA-1:
b465824a32559350e4e52ada3fdb98c0e6c69c83

SHA-256:
71b572868dd50fafed7ff6eecf5f3833928466b244407e1bd4f426c3216570a8

Scanner detections:
14 / 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:
4/23/2024 9:55:52 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.OY.11
7.11.170.24

AVG
Generic
2015.0.3367

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.MU potentially unwanted application
7.0.302.0

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

K7 AntiVirus
Unwanted-Program
13.183.13198

Malwarebytes
PUP.Optional.InstallCore
v2014.08.30.12

McAfee
CryptInno
5600.7023

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.CoolAppDownloads.K
14.8.29.22

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10391

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

File size:
674.6 KB (690,808 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
Signed by:
CoolAppDownloads

Authority:
COMODO CA Limited

Valid from:
8/14/2013 5:00:00 PM

Valid to:
8/15/2014 4:59:59 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:PJTpKwUOKlyKFhXQ2VqBtlEYGABlHGJv8V+hmBkvn6pNENslU6oihBnS3tqYzlKb:PJTMOKlvXQ7EYHlmdthmi6pCai6oiboV

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:
7.8574

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.

http://www.bestusefuldownloads.com/gameo/gam/.../?lg=EN&dl=1&chnl=s_gam_en_207471&cid=27309610791400688171

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