firefox_installer.exe

Software

Geryon Ads S.L.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox_installer.exe, “Software Setup ” by Geryon Ads S.L has been detected as adware by 17 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 Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Application   (signed by Geryon Ads S.L.)

Product:
Software

Description:
Software Setup

MD5:
6fe2c4b38281ca1700c6156f8c8d4048

SHA-1:
89d9ce7614eff43ffc76a46dd9ae9d53c45f52d4

SHA-256:
3b16a7154c8e283f60b877442c6bad79a09692c6bf3a0ea044b2ffe83a38fc3b

Scanner detections:
17 / 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:
12/24/2024 5:07:16 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.InstallCore
2015.04.13

Avira AntiVirus
PUA/InstallCore.A.2387
3.6.1.96

AVG
Generic
2016.0.3103

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15520

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
ApplicUnwnt
21741

Dr.Web
Trojan.InstallCore.151
9.0.1.0140

ESET NOD32
Win32/InstallCore.XL potentially unwanted (variant)
9.11463

Fortinet FortiGate
Riskware/InstallCore
5/20/2015

G Data
Win32.Application.Agent.5QT6YH
15.5.25

K7 AntiVirus
Unwanted-Program
13.202.15567

McAfee
Artemis!6FE2C4B38281
5600.6759

Reason Heuristics
PUP.Installer.GeryonAds
15.5.20.21

Sophos
Generic PUA IJ
4.98

Trend Micro House Call
TROJ_GEN.R0C1C0OCM15
7.2.140

Trend Micro
TROJ_GEN.R0C1C0OCM15
10.465.20

VIPRE Antivirus
InstallCore
39284

File size:
687.2 KB (703,672 bytes)

Product version:
2.7.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/15/2014 9:00:00 PM

Valid to:
6/16/2015 8:59:59 PM

Subject:
CN=Geryon Ads S.L., OU=IT, O=Geryon Ads S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
71F910550D2DD2713679787B12FF2EA0

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:kAcGPuuMnymuky2nGmG98PpRvGA3yPT0Ieh5Wb9DEdhQdXtLMjACQ4ZPrw4R:kAcEquwGl98bvGCyPTGk9DpM0Kv

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 firefox_installer.exe has been seen being distributed by the following URL.

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