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b4f3bbc2f63080219359ca4bc3733004.exe

Free Software LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application b4f3bbc2f63080219359ca4bc3733004.exe by Free Software has been detected as adware by 8 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 file has been seen being downloaded from avast.descargar.es.
Publisher:
Free Software LLC  (signed and verified)

MD5:
b4f3bbc2f63080219359ca4bc3733004

SHA-1:
4f2e84f4566a6532fd8d395a37efe7311d8aac76

SHA-256:
57abd6cb5ff02e13a6e5d43711898caaba3895c2bc27986f89d4dbb02923e41c

Scanner detections:
8 / 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:
8/7/2025 7:12:01 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3383

ESET NOD32
Win32/InstallCore.PU potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of installer_adobe_flash_player_arabe.exe (Adware)
2014.10.28.1

Malwarebytes
PUP.Optional.InstallCore
v2014.08.14.12

McAfee
Trojan.Adware-DomaIQ
5600.7039

Reason Heuristics
PUP.FreeSoftware.a
14.8.13.22

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Threat.4783262
32186

File size:
885.1 KB (906,376 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\b4f3bbc2f63080219359ca4bc3733004.exe

Digital Signature
Signed by:
Free Software LLC

Authority:
Starfield Technologies, Inc.

Valid from:
8/1/2014 3:08:01 AM

Valid to:
7/22/2015 4:23:49 AM

Subject:
CN=Free Software LLC, O=Free Software LLC, L=Wilmington, S=Delaware, C=US

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27DD6AADCC34E6

File PE Metadata
Compilation timestamp:
12/5/2009 2:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:ZNtpk6/mE4hADsyOoZQb2mBS0KnY1+/WNJTv9:4hADsSZw2mEYgkV9

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9898

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file b4f3bbc2f63080219359ca4bc3733004.exe has been seen being distributed by the following URL.

http://avast.descargar.es/.../down.php?p=CA-7SEARCH&kw=avast gratuit

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