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installer_steam_english.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 installer_steam_english.exe by Free Software 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 installCore installer. The file has been seen being downloaded from ug.filewon.com.
Publisher:
Free Software LLC  (signed and verified)

MD5:
cad870b691ecb23a0a48c7e8d5841517

SHA-1:
80f199b52e768f6e8ef0526aa9e8b21d31418b86

SHA-256:
2c6ff5f50ce0cc73215d78b4ce7ae128b84076aa88b58e19a316095e052f211c

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:
11/5/2024 7:00:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.FreeSoft (M)
16.7.11.6

File size:
880.4 KB (901,560 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

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

Digital Signature
Signed by:
Free Software LLC

Authority:
Starfield Technologies, Inc.

Valid from:
8/1/2014 5:08:01 PM

Valid to:
7/22/2015 6:23:49 PM

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:
12/6/2009 5:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Aj5KhGrxPkY5uwASyZ9Ewq64IHWR1+/WNJTvd:IxPvubSKa64IWRgkVd

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:
7.9893

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://ug.filewon.com/.../download?p=UG-MND&concordancia=b&red=g&plataforma=c&anuncio=37665873299&kw=download steam&ubicacion=&categoria=&random=9378794315470154067&posicion=1t1&tmuid=a478485665bd616b74f5f8c346cf16d3

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