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libreoffice setup.exe

LibreOffice

Download Publisher

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application libreoffice setup.exe, “LibreOffice ” by Download Publisher 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 AirInstaller Download Manager installer. The file has been seen being downloaded from software.downtoad.com.
Publisher:
Download Publisher   (signed by Download Publisher)

Product:
LibreOffice

Description:
LibreOffice

Version:
3.0.0.59

MD5:
bef4556b7f76188b18c8090c95a14910

SHA-1:
c34b7d7915e67accf36f1dd6ecedbbb63be05716

SHA-256:
13eea81a3d67aa5b489effb7401e1fd571c38e72ba9920b895b85f5a6ee2a2f2

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:
11/24/2024 5:20:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.29.7

File size:
833.8 KB (853,856 bytes)

Product version:
3.0.0.59

Copyright:
(c) Download Publisher

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Publisher

Authority:
VeriSign, Inc.

Valid from:
9/24/2014 7:00:00 PM

Valid to:
9/4/2016 6:59:59 PM

Subject:
CN=Download Publisher, O=Download Publisher, L=Victoria, S=British Columbia, C=CA

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:
5ECC09F6F591E0329759887CAC9A3B81

File PE Metadata
Compilation timestamp:
11/26/2014 3:32:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:8X/3Q9p0jL5qO/v+DO240HsP2VJLST1OZSWm:qn//vH240rLLSFWm

Entry address:
0x4C95F

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 3E, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.0692

Code size:
467.5 KB (478,720 bytes)

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

http://software.downtoad.com/v2/click/ligiz166/?d=http://www.downtoad.com/1downloadfiles/libreoffice.msi&n=LibreOffice&key=c5ce9d1281ed7197a8f3f4140af6096f880660843a664099ada371712a2a42f7&affiliate_image=http://www.downtoad.com/inventory/libreoffice/.../installicon.png&product_image=http://www.downtoad.com/inventory/libreoffice/.../installsplash.png&filename=LibreOffice Setup&sid=Bing2-USA-LibreOffice-libreoffice---

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