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mozilla_firefox.exe

Webcellence Ltd.

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 by Webcellence 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. 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.
Publisher:
Webcellence Ltd.  (signed and verified)

MD5:
4ea5bd630306183da1c47773e84fff02

SHA-1:
59ee14ae8ac2c3b65bdb82900dd39ff41dd92ea6

SHA-256:
d7c28f84e55644a6372b11cfc55960b284a676e91b3a3ec738964d547bddc020

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:
12/24/2024 5:27:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.15.15

File size:
1.6 MB (1,656,520 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Digital Signature
Signed by:
Webcellence Ltd.

Authority:
thawte, Inc.

Valid from:
2/3/2016 6:00:00 PM

Valid to:
2/3/2017 5:59:59 PM

Subject:
CN=Webcellence Ltd., OU=IT, O=Webcellence Ltd., L=ORA, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2A9FE0366B280B65E2788E33BDF8123E

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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...
 
[+]

Entropy:
7.9846

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

http://www.giftnewgift.com/Nsb02 TYX77DxJg5KmfS1p0PkUHAIjHJn6pvzwVEU4AB9ALCsJEIr_Gt9DNkCNqVb0mS37B0Ro0qoVaT4kUdqCbVTYXVraOJiS07dCkG5uHml5lUudBs6a8z_pcX3L_2q37VghGyXPRThYbWE2Wl9Srcu6kEA4VQP_ACKiuM_gAhg3dM9r_AO8JJ G9Lr3ujbAk yc7Y-G3wAAEQ315rRhzSeosgRMfiDXqccsNfKAsovfL7joW5YP zKJc9moG2snkWGbtiac68_8lkjnPDTcl17fkq_qWOIUhIvCjoJasSqjetx8y6gAA==

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