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mahjongworld-setup.exe

Download Admin

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application mahjongworld-setup.exe by Download Admin has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer.
Publisher:
Download Admin  (signed and verified)

MD5:
aef42db8e70a1844b3c074c86e3ce4a9

SHA-1:
a9b12514f440e008a68769bbc177e973c78c2b72

SHA-256:
4063ee6c37c262384aecd1c14c6185d51ca562c85a73df767e53ab448fc91638

Scanner detections:
8 / 68

Status:
Adware

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:
4/20/2024 3:09:40 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.DownloadAdmin.TTK
18076

Dr.Web
Adware.Downware.2220
9.0.1.0303

ESET NOD32
Win32/DownloadAdmin
8.9658

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.10.30.08

NANO AntiVirus
Trojan.Win32.Downware.crgjbr
0.28.0.59048

Reason Heuristics
PUP.Installer.DownloadAdmin.S
14.10.30.20

Sophos
Download Admin
4.98

VIPRE Antivirus
DownloadAdmin
28184

File size:
75.8 MB (79,454,744 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\mahjongworld-setup.exe

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 5:00:00 PM

Valid to:
5/29/2016 4:59:59 PM

Subject:
CN=Download Admin, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Admin, L=SAN FRANCISCO, S=California, 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:
2EEB247A8F9D63D74CE7EF9551E3D401

File PE Metadata
Compilation timestamp:
6/22/2012 11:07:51 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:LxpJ36GT+05hxBsW167JerwFx2mV+GbElwHFIC5b+q5V9J2ghrNUcRnb8b:FpB6obnN17wYGbrIczlhrH

Entry address:
0x333B

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2C, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1D, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0B, 24, 00, 00...
 
[+]

Entropy:
0.1441

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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