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brutalchess-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 brutalchess-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. The file has been seen being downloaded from files4.playfin.com and multiple other hosts.
Publisher:
Download Admin  (signed and verified)

MD5:
21444c5b2d412f623a511478a916ab5d

SHA-1:
02ddbc3437f5f791f8e8eb0ce15ea4b5ed958f02

SHA-256:
ba8aa0ac2595b856bb8ef8c0342859a3941b233741879989e2765c950883092a

Scanner detections:
8 / 68

Status:
Adware

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:
5/10/2024 9:33:21 PM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Application.Win32.DownloadAdmin.TTK
18080

Dr.Web
Adware.Downware.2220
9.0.1.0100

ESET NOD32
Win32/DownloadAdmin
8.9660

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.04.10.10

NANO AntiVirus
Trojan.Win32.Downware.crgjbr
0.28.0.59048

Reason Heuristics
PUP.Installer.DownloadAdmin.R
14.8.7.20

Sophos
Download Admin
4.98

VIPRE Antivirus
DownloadAdmin
28194

File size:
792.5 KB (811,520 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 8:00:00 PM

Valid to:
5/29/2016 7:59:59 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 2:07:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:3xpJ36GT+05hxBsW167JerwFx2mV+GbElwHFIC5b+q5V9J2ghrNUcRnb8b:hpB6obnN17wYGbrIczlhrH

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:
7.4623

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file brutalchess-setup.exe has been seen being distributed by the following 2 URLs.

http://files4.playfin.com/download/.../dl?s=msn&c=playfin_chess&brand=playfin.com&pid=TR&bc=150&country=US&cb=811487609

http://files4.playfin.com/download/.../dl?s=msn&c=playfin_chess&brand=playfin.com&pid=TR&bc=150&country=US&cb=-1595761213

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