installer_openoffice.exe

Internet

CPC Net Advertising LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application installer_openoffice.exe, “Internet Setup ” by CPC Net Advertising has been detected as a potentially unwanted program 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 installCore 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.
Publisher:
Program Internet application   (signed by CPC Net Advertising LLC)

Product:
Internet

Description:
Internet Setup

Version:
4.3.4.8

MD5:
fa5b0e8dc828a04191340802c7377976

SHA-1:
ce66aa7899aabc83d0c67d15cc644e4daef3c083

SHA-256:
7da57ad803853807fa51c09cff38030b5ea615ca2f1f82cbeaad2074db2f941f

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/5/2024 8:19:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.9.27.2

File size:
690.8 KB (707,376 bytes)

Product version:
5.8

Copyright:
Internet Software App

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
3/18/2015 1:00:00 AM

Valid to:
3/18/2016 12:59:59 AM

Subject:
CN=CPC Net Advertising LLC, OU=IT, O=CPC Net Advertising LLC, L=WILMINGTON, S=DELAWARE, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
39C465900E327E4A59E1DBB63C723CEF

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:xe/GbVrCTRiDijlm7+5bzvtW2OilJ2/xp+OpiJ2XB54qQINl4FVbc2G9LGxhxYzX:xe/edris7+dhWI2/OO8JqdNKI2GBYPA

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

http://cdn.adsearchesfiles.com/?ic_user_id=745

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