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openofficesuite-setup.exe

Download Admin

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 Download Admin 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. 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:
Download Admin  (signed and verified)

MD5:
a23e1c49370b93add3cdf84cb8a7dffa

SHA-1:
bf20788babd2f3a14dee6acc3cd6f7f3e2bc0c47

SHA-256:
fc72ab3b45b7130e807973f85da4094be5c9c4dc67390e34feae90bd97749262

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:
4/27/2024 2:36:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.DownloadAdmin.V
14.8.7.20

File size:
75.8 MB (79,454,736 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\openofficesuite-setup.exe

Digital Signature
Signed by:
Download Admin

Authority:
VeriSign, Inc.

Valid from:
3/19/2013 8:00:00 PM

Valid to:
5/29/2016 7:59:59 PM

Subject:
CN=Download Admin, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Admin, 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:
2EEB247A8F9D63D74CE7EF9551E3D401

File PE Metadata
Compilation timestamp:
6/22/2012 2:07:51 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:DxpJ36GT+05hxBsW167JerwFx2mV+GbElwHFIC5b+q5V9J2ghrNUcRnb8b:9pB6obnN17wYGbrIczlhrH

Entry address:
0x333B

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2C, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1D, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0B, 24, 00, 00...
 
[+]

Entropy:
0.1441

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file openofficesuite-setup.exe has been seen being distributed by the following 8 URLs.

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=-721414729

http://files5.openoffice.us.com/dl?bc=845397&geo

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=1487570714

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=-347404321

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=180803830

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=662479102

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=-329628943

http://files4.openoffice.us.com/download/.../dl?s=msn&c=openoffice.us.com_suite&brand=openoffice.us.com&pid=TR&bc=845397&country=US&cb=-1841899100

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