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installer_openoffice_norwegian.exe

ISfreemium

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application installer_openoffice_norwegian.exe by ISfreemium has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
ISfreemium  (signed and verified)

MD5:
4fd3e124320546c37aa980d9bef24028

SHA-1:
eafdd65bd1a58f1870cebacf26d8ca7135ced0c9

SHA-256:
f2c9bd2e81d87af9406be418d245c4162e11ccfa871915fdbe664a0fd89c4dea

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/26/2024 3:20:09 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware InstallCore.AYC
2015.0.4530

Dr.Web
Trojan.Packed.28474
9.0.1.05190

ESET NOD32
Win32/Kryptik.BWJC trojan
8.0.319.0

Reason Heuristics
PUP.installCore.ISfreemium (M)
16.2.20.0

VIPRE Antivirus
Threat.4786018
47238

File size:
727 KB (744,448 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
ISfreemium

Authority:
COMODO CA Limited

Valid from:
7/3/2013 12:00:00 AM

Valid to:
7/3/2014 11:59:59 PM

Subject:
CN=ISfreemium, O=ISfreemium, STREET=63 Rothschild 63 BV, L=Tel-Aviv, S=N/A, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009B517CAF08AA1A85822DB0CE5E9169FE

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:CyMJfsGj/0nDVICvQBdUtY2YAJH1gU0zlTdkXc2Uesl7VPdB7bcCRwkKhCs+xcg:CyMJfsU/8QsfT+xhdk6HtB7AENcg

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

http://no.fileprogram.net/.../download?p=NO

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