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greatest-cities-mahjongg.exe

Puzzle Zone Games LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application greatest-cities-mahjongg.exe by Puzzle Zone Games has been detected as adware by 11 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 installerlaunch-pz1.com.
Publisher:
Puzzle Zone Games LLC  (signed and verified)

MD5:
68cfdd5a19b117174327e3bdf8289ea7

SHA-1:
4f9b540c834acdea2ac0100835c7ae74c82c30e5

SHA-256:
0f39d6d73cd8a864a066dbd626118bfbc5fc2cfa8ac4c8e4ca128ce40cf3a909

Scanner detections:
11 / 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:
4/16/2024 12:54:40 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AVG
Generic
2015.0.3390

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0218

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of maya-tower-mahjongg.exe (Adware)
2014.9.27.22

McAfee
Trojan.Artemis!51B92EF06611
5600.7008

Reason Heuristics
PUP.PuzzleZoneGames.Y
14.8.12.15

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14804

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4835495
31208

File size:
747.4 KB (765,336 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\greatest-cities-mahjongg.exe

Digital Signature
Signed by:
Puzzle Zone Games LLC

Authority:
VeriSign, Inc.

Valid from:
3/31/2013 7:00:00 PM

Valid to:
5/1/2015 6:59:59 PM

Subject:
CN=Puzzle Zone Games LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Puzzle Zone Games LLC, L=Jersey City, S=New Jersey, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
148574E327EC8ED99B4372B65FF2B06D

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:gMJfsGshNcHG2JGtCvLCYu7ljTs60bn4Unr31qh7jgt2WcJzDxn+UxMnhXkkwxa0:gMJfsLhZ2JNCYGls6A31kjAUZoUxMnBB

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8499

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

Code size:
36 KB (36,864 bytes)

The file greatest-cities-mahjongg.exe has been seen being distributed by the following URL.

http://installerlaunch-pz1.com/dl.php?dl=pz/pz_17947_v2.exe&dn=greatest-cities-mahjongg.exe&sid=1591-us&pid=1313&browser=ch&ptrk=em3lap713muo5hvhot41l2i8k6&SCHEME_EXT=Optimized&TYP_URL=http://.../ty.php

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