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openofficewriter-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 openofficewriter-setup.exe by Zoobam has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The installer is marketed through download protals and search ads as the free Apache OpenOffice but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Zoobam  (signed and verified)

MD5:
8087cd0ad35b09f3c3850e32f85db4bb

SHA-1:
1e368a4a28d5fa24546d0ef4d4b276435309e9e0

SHA-256:
b2201b8575952a9525557809e78dbd5dd1be36596fd63772c39443d14494faee

Scanner detections:
10 / 68

Status:
Adware

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:
4/24/2024 10:09:40 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.206.52

AVG
Generic
2016.0.3169

Comodo Security
ApplicUnwnt
20675

G Data
Win32.Application.DownloadAdmin
15.3.24

herdProtect (fuzzy)
variant of vlcmediaplayer-setup.exe (Adware)
2015.6.21.16

McAfee
Artemis!B9F049D7247C
5600.6825

Reason Heuristics
PUP.Bundler.Tightrope
15.3.15.16

Total Defense
Win32/Tnega.FLbeQTC
37.0.11412

Trend Micro House Call
Suspicious_GEN.F47V0106
7.2.74

VIPRE Antivirus
Threat.4783369
36666

File size:
75.8 MB (79,497,320 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:
Zoobam

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):
12288:69jnxpJA9Kua6nPQSQsTnmc0Q9FxDNiZzSfOr0+z3962z7NbkGfxRee:ujxpW93nn0InTJDN2efOr0+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 openofficewriter-setup.exe has been seen being distributed by the following 2 URLs.

http://files4.file-mirror.info/download/.../dl?bc=6567&pid=TR&brand=openoffice.us.com&s=msn&c=Srch_US_OpenOffice_us_Writer_PM&country=US&cb=1133844611&osName=Windows&osVersion=8.1&browserName=Chrome&browserVersion=39&zTmp=1

http://files5.openoffice.us.com/dl?bc=6567&geo

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