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openofficewriter-setup.exe

Tightrope Interactive, Inc.

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 Tightrope Interactive 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:
Tightrope Interactive, Inc.  (signed and verified)

MD5:
78c04c15563613c25a2a4da2dd46d98b

SHA-1:
71239f7d8f813699390e3081b2ce038c472fd8b3

SHA-256:
35d15f2dda021e1dded9e7c161f142e9565f79f8af20282a935aa25e152406b1

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:
4/19/2024 9:22:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Bundler (M)
16.7.15.0

File size:
653.4 KB (669,088 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:
Tightrope Interactive, Inc.

Authority:
COMODO CA Limited

Valid from:
12/5/2014 12:00:00 AM

Valid to:
12/5/2015 11:59:59 PM

Subject:
CN="Tightrope Interactive, Inc.", O="Tightrope Interactive, Inc.", STREET="588 SUTTER STREET, #551", L=SAN FRANCISCO, S=CA, PostalCode=94102, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00E0C39AC4896BD4B14524E20D3BF712FA

File PE Metadata
Compilation timestamp:
1/29/2015 6:35:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:KKCFG+pl1Hp7p4ZkuRt4Zh3UdOxouSdWE7uglrB/jmN7Trkfcn+z:K3Xxp4Zkuf47kdtdZ7uC/jmlrDn+z

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Entropy:
7.9729

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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