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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 9 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:
22

MD5:
8bcd2c8497f8352c8ade39782b345273

SHA-1:
4d6c98bef28f396a2fa2bfef4ccc6990b9d67ff2

SHA-256:
fcd2ee1b2168aea62dd097a0848f69c97612345208b2079f2b407398d3f6d781

Scanner detections:
9 / 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:
4/25/2024 1:08:57 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-140731

AVG
MalSign.Generic
2015.0.3396

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
8.9786

herdProtect (fuzzy)
variant of winrar_setup.exe (Adware)
2014.9.10.21

IKARUS anti.virus
Win32.SuspectCrc
t3scan.2.0.127

Malwarebytes
PUP.Optional.Downloadster
v2014.07.31.08

McAfee
Artemis!09A931BD7916
5600.6995

Reason Heuristics
PUP.Installer.Ezdownload.S
14.8.7.23

Trend Micro House Call
TROJ_GEN.F47V0915
7.2.269

File size:
1.2 MB (1,308,520 bytes)

Product version:
22

Copyright:
©ez-download

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:
8/13/2013 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:
8/27/2013 3:27:09 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:DKJpO06eDK14C2SLtgW5QCwgIImrox3k1d+EbzcguMv2+Mmar9T/Gsp:DNtwgIImMMd+Wz20VVWT/h

Entry address:
0x1073F0

Entry point:
55, 8B, EC, 83, C4, F0, B8, 80, 56, 50, 00, E8, E4, 01, F0, FF, 8B, 0D, 9C, 15, 51, 00, 8B, 09, B2, 01, A1, F4, 48, 4C, 00, E8, C8, 8E, F5, FF, 8B, 15, 90, 16, 51, 00, 89, 02, A1, 9C, 15, 51, 00, 8B, 00, E8, CC, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, B2, 01, E8, 66, 45, F6, FF, 8B, 0D, 80, 13, 51, 00, A1, 9C, 15, 51, 00, 8B, 00, 8B, 15, 60, 8E, 4F, 00, E8, BE, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, E8, EA, 27, F6, FF, E8, 39, DB, EF, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6767

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,074,176 bytes)

The file firefox_downloader.exe has been seen being distributed by the following 3 URLs.

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDI5IiwidV9pZCI6ImV6XzUyNmQ0NWY5MWM5MmU4LjEzODE5NjM1IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM4Mjg5MzA0OSwia3ciOiJtb3ppbGxhIiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

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

http://downloader.ez-download.com/download.php?id=cb73444fc0a9688d7e962a6627f6d2a0e6f7429e&z=2&p=eyJweSI6ImV6IiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDMwIiwidV9pZCI6ImV6XzUyNjRhYTNiZWE1MWQ4LjYxNzkzNzY5IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM4MjMyODg5MSwia3ciOiJtb3ppbGxhIiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

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