mozilla-firefox.exe

Covus Pro GmbH

The application mozilla-firefox.exe by Covus Pro GmbH 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 Covus installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware. The file has been seen being downloaded from downloadguidefactory.blob.core.windows.net.
Publisher:
Covus Pro GmbH  (signed and verified)

MD5:
76c9acc69410c430f0599b916731c973

SHA-1:
4a3fa67b46cb1b81c50ecccf6066eeafb0eac01d

SHA-256:
1de915c5e1c248fe607f0320424d01a2c6ad73e1af2bf3d090ca3758071df39f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Includes bundled offers in the installer/download manager that include adware components such as Best-markit, and Search Protect (ClientConnect).

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:
4/27/2024 12:52:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Covus.CovusPro.Bundler (M)
16.6.6.1

File size:
458.4 KB (469,432 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Covus

Language:
English (United States)

Common path:
C:\users\{user}\downloads\mozilla-firefox.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/23/2014 1:00:00 AM

Valid to:
1/24/2016 12:59:59 AM

Subject:
CN=Covus Pro GmbH, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Covus Pro GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
249E4122D3206380E8C5DB9AFC085C73

File PE Metadata
Compilation timestamp:
6/6/2014 9:59:28 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:UqiYD1rcPt3QC/8Y5LUjUJIDaM+zTlztEtuKGdk8yF6GH8VPflPraKm33Bo0WtCA:UYcPtTX5RYX+zZ4vuVX1Hh0WtC7uM1v8

Entry address:
0x1C994

Entry point:
E8, A0, 48, 00, 00, E9, 89, FE, FF, FF, CC, CC, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 0C, DE, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF...
 
[+]

Code size:
170.5 KB (174,592 bytes)

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

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