openofficesuite-setup.exe

Zoobam

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 openofficesuite-setup.exe by Zoobam 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:
Zoobam  (signed and verified)

MD5:
508a67a2c7fe105139048e388d236d2e

SHA-1:
7fdc81fc9504399c36ceab8ffb2c3208d1f899b0

SHA-256:
c49aeb1fb1b8443a2aa91cbcfee375e957b8699a933497c25c58d70ab3f82ceb

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:
4/24/2024 3:55:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Zoobam.Bundler (M)
16.4.8.5

File size:
75.8 MB (79,497,328 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\openofficesuite-setup.exe

Digital Signature
Signed by:

Authority:
GoDaddy.com, Inc.

Valid from:
10/15/2014 10:27:59 PM

Valid to:
10/15/2017 10:27:59 PM

Subject:
CN=Zoobam, O=Zoobam, L=Kirkland, S=Washington, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EA9D31E75E043

File PE Metadata
Compilation timestamp:
12/7/2014 11:56:37 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:S9jnxpJA9Kua6nPQSQsTnmc0Q9FxDNiZzSfOr0+z3962z7NbkGfxRee:WjxpW93nn0InTJDN2efOr0+kaVxR

Entry address:
0x3522

Entry point:
81, EC, 78, 01, 00, 00, 53, 55, 56, 33, DB, C6, 44, 24, 0C, 20, 57, 8B, EB, BF, A0, 83, 40, 00, 8B, F3, E8, FC, 3C, 00, 00, FF, 15, 08, 87, 40, 00, 68, 01, 80, 00, 00, FF, 15, AC, 80, 40, 00, 53, FF, 15, 0C, 87, 40, 00, 6A, 08, A3, C4, 4C, 42, 00, E8, 26, 2A, 00, 00, 53, 68, 60, 01, 00, 00, A3, 50, 44, 42, 00, 8D, 44, 24, 30, 50, 53, 68, E3, 83, 40, 00, FF, 15, 50, 81, 40, 00, 68, E4, 83, 40, 00, 68, 60, 44, 42, 00, E8, 40, 2C, 00, 00, FF, 15, A8, 80, 40, 00, 50, 68, 00, A0, 42, 00, E8, 2F, 2C, 00, 00, 53...
 
[+]

Entropy:
0.1517

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

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

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