openofficecalc-setup.exe

SKUNK DOG MEDIA

The application openofficecalc-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. 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.openoffice.us.com.
Publisher:
Tomorrow Software Installer  (signed by SKUNK DOG MEDIA)

Product:
Tomorrow Software Installer

Version:
2.0.0.1

MD5:
416409e55d8e5ee9d9e62451c9a1d426

SHA-1:
8b9da581eaf6757e2f0278dcd1f22cb8fbb86b89

SHA-256:
699b6a14613dca7c053aef725c01eb8b8374e1872bc3e228f2311196b6a7cd89

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 '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 10:41:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.SKUNKDOGMEDIA.Bundler (M)
16.1.5.10

File size:
873.6 KB (894,520 bytes)

Product version:
2.0.0.1

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\temporary internet files\content.ie5\{random}\openofficecalc-setup.exe

Digital Signature
Signed by:

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:
6/6/2014 7:12:25 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:jDMLKmtvPyHu7U5ksKhy9pNg4W7HM7G3bOAHCX:HiKmHyOA5c1p7sM

Entry address:
0xC7A2

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, 58, 4B, 41, 00, 89, 0D, 54, 4B, 41, 00, 89, 15, 50, 4B, 41, 00, 89, 1D, 4C, 4B, 41, 00, 89, 35, 48, 4B, 41, 00, 89, 3D, 44, 4B, 41, 00, 66, 8C, 15, 70, 4B, 41, 00, 66, 8C, 0D, 64, 4B, 41, 00, 66, 8C, 1D, 40, 4B, 41, 00, 66, 8C, 05, 3C...
 
[+]

Entropy:
7.9551  (probably packed)

Code size:
51.5 KB (52,736 bytes)

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

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