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openofficewriter-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 openofficewriter-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. With this installer, users are expecting to download the free Apache OpenOffice but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Download Admin  (signed and verified)

MD5:
a9f38f840afeed7769bec0dc2b64e33e

SHA-1:
f83144863be3d776e5d19773435ffb9d07d2c2f4

SHA-256:
7b7d65383e3b4f8f65e54f8fd0624779f79bcf5943a3405645bbe1504fdf7f1d

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 4:58:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.DownloadAdmin.Bundler (M)
16.2.15.19

File size:
75.8 MB (79,454,728 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\openofficewriter-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:bxpJgJzNGqv7K8sobvmEenOnseuE6FkhGS3piBN:1p23jDK8R7enOnb3GB

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:
0.1440

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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