» mozilla-firefox.exe
Overview
Analysis
File Details
Downloads (2)

mozilla-firefox.exe

Gufotig

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mozilla-firefox.exe, “Gufotig Setup ” by UpdateStar GmbH 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. 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.

File name:

mozilla-firefox.exe

Publisher:

Mog (signed by UpdateStar GmbH)

Product:

Gufotig

Description:

Gufotig Setup

Version:

4.3.5.6

MD5:

b4a3ca9cfd74643b36b35e0547aa4cd5

SHA-1:

3779fccaad09e3e1753dd24fa60815a7c49792e0

SHA-256:

1eff6e8dd71dca89081ff8e1e8de758b6dc4d7509683a70eeb4cdf4f13bcf885

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 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:

12/27/2024 12:11:02 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.installCore.UpdateSt.Installer (M)

16.3.18.18

File size:

1 MB (1,053,208 bytes)

Product version:

2.4

File type:

Executable application (Win32 EXE)

Bundler/Installer:

installCore (using Inno Setup)

Common path:

C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mozilla-firefox.exe

Digital Signature

Signed by:

UpdateStar GmbH

Authority:

GlobalSign nv-sa

Valid from:

1/25/2016 11:35:00 AM

Valid to:

3/23/2017 3:24:09 PM

Subject:

CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:

CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:

1121C7585A2F5B2218EC6B36D472BA6496D8

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):

24576:6QkKEY7qm/1wv048SkSagBSufwL1yKma/ABEbqiomQnuubfVYaatG:6XK7qm/is48aagcLkKma/ABELomYuKtO

Entry address:

0x9C40

Entry point:

55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE... 
[+]

Packer / compiler:

Inno Setup v5.x - Installer Maker

Code size:

37 KB (37,888 bytes)

The file mozilla-firefox.exe has been seen being distributed by the following 2 URLs.

http://www.softwareflashbinaries.com/c?x=yqQjlnRVgAFlpTuhzl7HOLnH2QP2ylCPxxSwrYW8Qec=&c=7e2vHS qC1Ug3kq9k0GNbe57nv45Y4fNf2iGk8iNrn4tBxAGXk8S3HuDmD22Q skXMU/ru15zitS8KjWlXr alqqRXlHQgGbN9tmizr/P3EBZFeBHfA6GMSB8IhwHCiK&downloadAs=mozilla-firefox.exe&fallback_url=https://download-installer.cdn.mozilla.net/pub/firefox/releases/45.0.1/win64/.../Firefox Setup 45.0.1.exe

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