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firefox_downloader.exe

Firefox Installer

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, “Deploy Firefox along with various offers” by Ez-download has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader installer. This version of the installer will bundle a Mindspark/MyWebSearch Toolbar, a potentially unwanted web browser extension. 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:
Ez-download  (signed and verified)

Product:
Firefox Installer

Description:
Deploy Firefox along with various offers

Version:
26

MD5:
a63191fb3ec67f210437fb4038a6dfa5

SHA-1:
5d8185f7ab04b07d7fa35f89a3f5cbecdc699606

SHA-256:
24414ad87c0261b0c571ef43e4aa83b5d84344d6f161cb621a9a40c270c0da92

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Bundles the Mindspark (MyWebSearch/Ask) toolbar, a web browser extension that will modify a user's search and home pages.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 6:27:25 PM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
Troj.W32.Gen
2.1.4+

avast!
Win32:PUP-gen [PUP]
2014.9-140411

AVG
Skodna.Generic
2015.0.3508

Dr.Web
Adware.Downware.2468
9.0.1.0101

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
8.9385

herdProtect (fuzzy)
variant of firefox_downloader.exe (Adware)
2014.4.6.20

K7 AntiVirus
Unwanted-Program
13.175.11074

Malwarebytes
PUP.Optional.Downloadster
v2014.02.05.01

Reason Heuristics
PUP.Installer.Ezdownload.V
14.8.7.23

Sophos
Ez Toolbar Downloader
4.97

Trend Micro House Call
TROJ_GEN.F47V0109
7.2.36

XVirus List
Win32.Detected
2.8.7

File size:
1.3 MB (1,364,328 bytes)

Product version:
26

Copyright:
©ez-download

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\firefox_downloader.exe

Digital Signature
Signed by:
Ez-download

Authority:
COMODO CA Limited

Valid from:
8/13/2013 7:00:00 PM

Valid to:
8/14/2015 6:59:59 PM

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:
9/16/2013 6:17:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:F9OSiCcFYIYdv+tDUwadbW5Q+mrR3e5xW/e+qeT8hSCWUD6/vkRTfMOP:7iSKmrR3Xe+WQY6/qTfP

Entry address:
0x110400

Entry point:
55, 8B, EC, 83, C4, F0, B8, A0, E9, 50, 00, E8, D4, 71, EF, FF, 8B, 0D, A0, A5, 51, 00, 8B, 09, B2, 01, A1, 38, 3E, 4C, 00, E8, D0, F2, F4, FF, 8B, 15, 94, A6, 51, 00, 89, 02, A1, A0, A5, 51, 00, 8B, 00, E8, D4, 8A, F5, FF, A1, A0, A5, 51, 00, 8B, 00, B2, 01, E8, 6E, A9, F5, FF, 8B, 0D, 78, A3, 51, 00, A1, A0, A5, 51, 00, 8B, 00, 8B, 15, F0, 1D, 50, 00, E8, C6, 8A, F5, FF, A1, A0, A5, 51, 00, 8B, 00, E8, F2, 8B, F5, FF, E8, 29, 4B, EF, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6717

Developed / compiled with:
Microsoft Visual C++

Code size:
1.1 MB (1,111,552 bytes)

The file firefox_downloader.exe has been seen being distributed by the following 7 URLs.

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luOHB0MSIsImIiOiJjaDMzIiwidV9pZCI6ImV6XzUzMWExNWMxYzdkYWY5Ljc3MjA2Mzc3IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM5NDIxODQzMywia3ciOiJmaXJlZm94IGJyb3dzZXIiLCJjdSI6ImZpcmVmb3ggYnJvd3NlciIsImNhIjpudWxsfQ==

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDMzIiwidV9pZCI6ImV6XzUzMzBjYWZlZDNmOTMyLjI1MDcxOTE5IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM5NTcwNjYyMiwia3ciOiJmaXJlZm94IiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2lueHAiLCJiIjoiY2gzMiIsInVfaWQiOiJlel81MzBhNDBhYjVlZjQ4My45MzgyMzczNCIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMDAwIiwidHMiOjEzOTMxODA4NDMsImt3IjoibW96aWxsYSBmaXJlZm94IiwiY3UiOiJtb3ppbGxhIGZpcmVmb3giLCJjYSI6bnVsbH0=

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luOCIsImIiOiJjaDMyIiwidV9pZCI6ImV6XzUyZWQxZGI1ODhmYjE0LjcwMDM1NDM4IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM5MTI3MTM0OSwia3ciOiJmaXJlZm94IiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDMzIiwidV9pZCI6ImV6XzUzMjRlMDkyYTQ3YTI0LjI4Njc3NTM5IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM5NDkyNTcxNCwia3ciOiJmaXJlZm94IiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

http://dl2.ez-download.com/.../firefox_downloader.exe

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDMyIiwidV9pZCI6ImV6XzUyZmE1OGI5NDhjOTc2LjAzMTMwNzk4IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM5MjEzODQyNSwia3ciOiJmaXJlZm94IiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

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