brutalchess.acnpgwbas01.77.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.acnpgwbas01.77.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.
Publisher:
Download Admin  (signed and verified)

MD5:
e90ad1c7be1742e3e2299b187fcec92b

SHA-1:
d45695f1cd865cacfe3eefdea7da880451179e34

SHA-256:
1feb4a292e26c8d5f8dcddcc6291a621bf0cef0f5484db1b7b3b3dd41662118a

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:
4/19/2024 8:09:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Download.Bundler (M)
16.5.26.7

File size:
3.3 MB (3,478,376 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\brutalchess.acnpgwbas01.77.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
6/21/2009 7:00:00 PM

Valid to:
5/30/2010 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:
0B3C4C63AB2E7D3D56CCC830179F66F0

File PE Metadata
Compilation timestamp:
11/20/2008 2:28:21 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:7Nf6IUyhZCw+LwmLEQIQQNmMGwejdm5A9q:R1UyD+L0QQNmMxU

Entry address:
0x30E3

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 58, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, 23, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 90, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 4C, 91, 40, 00, 68, 60, E3, 42, 00, E8, DA, 27, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, C8, 27, 00, 00...
 
[+]

Entropy:
7.9989

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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