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firefox_downloader.exe

Ez-download

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application firefox_downloader.exe by Ez-download 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 Adlogica Downloader 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:
Ez-download  (signed and verified)

MD5:
aa5ec77e5212f1a2c96809989a4382bb

SHA-1:
b9895734ab3c9c9d90dce81f8755113d6e5f9f2e

SHA-256:
f0fe69bb6fd6094b431aef0683f8db731304be6b82db93789c682d595d3ef0ff

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:
4/24/2024 4:02:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adlogica.Ezdownlo.Bundler (M)
16.7.1.7

File size:
803.9 KB (823,144 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
Ez-download

Authority:
COMODO CA Limited

Valid from:
8/14/2013 1:00:00 AM

Valid to:
8/15/2015 12:59:59 AM

Subject:
CN=Ez-download, O=Ez-download, STREET=96 Jessie st 4th floor, L=SAN FRANCISCO, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00F70CD1FD9DEF6FE1E710D56A167734BD

File PE Metadata
Compilation timestamp:
6/4/2014 5:50:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:1uR5EPHvTzH+Z8VzLOxFVeBRAM+NxrS7+o95ai7zHM7CxDn+JtgG43lCBO:9f7zH+Z8sVM+M+Ns+o95ZrxT+H6cBO

Entry address:
0x162E0

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C8, 89, 45, CC, 89, 45, D0, 89, 45, EC, 89, 45, D8, 89, 45, D4, B8, D4, 5E, 41, 00, E8, 12, 00, FF, FF, 33, C0, 55, 68, ED, 64, 41, 00, 64, FF, 30, 64, 89, 20, 33, C0, 55, 68, 8B, 64, 41, 00, 64, FF, 30, 64, 89, 20, 8D, 45, EC, 50, 8D, 45, D8, E8, BE, AF, FF, FF, 8B, 45, D8, 89, 45, DC, C6, 45, E0, 0B, 8D, 55, D4, B8, 08, 00, 00, 00, E8, CF, AF, FF, FF, 8B, 45, D4, 89, 45, E4, C6, 45, E8, 0B, 8D, 55, DC, B9, 01, 00, 00, 00, B8, 04, 65, 41, 00...
 
[+]

Entropy:
7.8685

Developed / compiled with:
Microsoft Visual C++

Code size:
85.5 KB (87,552 bytes)

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

http://download.ez-download.com/download/30/.../

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