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 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Tightrope WebInstall installer. The file has been seen being downloaded from files4.playfin.com.
Publisher:
Download Admin  (signed and verified)

MD5:
502539177b7052def12e4ee7a3816eb5

SHA-1:
6421e250808e16367539f249794b62a22f60e460

SHA-256:
3b20874cb8c7f0f8fd50fc1216e226e7d5aefd378cc3ea704a0071d85619d273

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
2/23/2018 9:50:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope (M)
16.8.9.12

File size:
701 KB (717,840 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
4/2/2010 7:00:00 PM

Valid to:
5/29/2013 6:59:59 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 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
29529B0D185F8525A92A866D4A38DA3A

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:MN43bVK+mWitcGzB40THrz9pzUUN42kYwCgNb8gsm4GqBtjpMcOly:MqVdmvzm0T4AJab05BtCU

Entry address:
0x7C430

Entry point:
60, BE, 00, 80, 47, 00, 8D, BE, 00, 90, F8, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB...
 
[+]

Entropy:
7.4148

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
20 KB (20,480 bytes)

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

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