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openofficewriter-setup.exe

SKUNK DOG MEDIA

The application openofficewriter-setup.exe by SKUNK DOG MEDIA 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 Tomorrow Software Installer 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. The file has been seen being downloaded from files4.openoffice.us.com.
Publisher:
Active Expert Installation  (signed by SKUNK DOG MEDIA)

Product:
Active Expert Installation

Version:
41.0.9.5403

MD5:
97e18b6d05a98471f243ca2ec6c3e682

SHA-1:
0c811202ef175279d62ab8558cd5654ea70cb529

SHA-256:
e66cce7f27b1e3bbd3d5468e3f20f8731f976af979f91631d29b732a537c13ca

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:
5/1/2024 10:30:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.SKUNKDOG.Bundler (M)
16.4.3.12

File size:
874.1 KB (895,032 bytes)

Product version:
41.0.9.5403

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tomorrow Software Installer

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\openofficewriter-setup.exe

Digital Signature
Signed by:
SKUNK DOG MEDIA

Authority:
VeriSign, Inc.

Valid from:
5/21/2015 5:00:00 PM

Valid to:
5/21/2016 4:59:59 PM

Subject:
CN=SKUNK DOG MEDIA, O=SKUNK DOG MEDIA, 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:
77AD9C75661D14F8BEF720820AC86007

File PE Metadata
Compilation timestamp:
8/7/2014 7:57:53 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:iyMLKmtvPyHu7iC43y9pNg4W7HM84cN+2QHCz:XiKmHyOYzp7s8FQ

Entry address:
0xC822

Entry point:
E8, 3C, 05, 00, 00, E9, 57, FD, FF, FF, CC, CC, CC, CC, 51, 8D, 4C, 24, 04, 2B, C8, 1B, C0, F7, D0, 23, C8, 8B, C4, 25, 00, F0, FF, FF, 3B, C8, 72, 0A, 8B, C1, 59, 94, 8B, 00, 89, 04, 24, C3, 2D, 00, 10, 00, 00, 85, 00, EB, E9, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, A8, 4B, 41, 00, 89, 0D, A4, 4B, 41, 00, 89, 15, A0, 4B, 41, 00, 89, 1D, 9C, 4B, 41, 00, 89, 35, 98, 4B, 41, 00, 89, 3D, 94, 4B, 41, 00, 66, 8C, 15, C0, 4B, 41, 00, 66, 8C, 0D, B4, 4B, 41, 00, 66, 8C, 1D, 90, 4B, 41, 00, 66, 8C, 05, 8C...
 
[+]

Entropy:
7.9570  (probably packed)

Code size:
51.5 KB (52,736 bytes)

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

http://files4.openoffice.us.com/download/.../dl?bc=1176227&pid=TR&brand=openoffice.us.com&s=msn&c=Srch_US_OpenOffice_us_Writer_BM&country=US&osName=Windows&osVersion=8.1&browserName=IE&browserVersion=11&cb=449602063&zTmp=1&executable=1186345

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