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java_downloader.exe

DOWNLOADZONE

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 java_downloader.exe by DOWNLOADZONE has been detected as adware by 4 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 Oracle Java Runtime but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
DOWNLOADZONE  (signed and verified)

MD5:
865f6e72e5dbf86cc23cb602e2f7f0fb

SHA-1:
a4635d1a86dd3916b0e9065456f1d01d8ca0259e

SHA-256:
754f1d4f51a0ad23eccc9299b9e1f7f3d89f2a8bf04177edddd92dd9941a8b80

Scanner detections:
4 / 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:
12/25/2024 1:19:36 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
8.9977

Malwarebytes
PUP.Optional.Downloadster
v2014.06.21.09

Reason Heuristics
PUP.DOWNLOADZONE.P
14.8.7.17

Trend Micro House Call
Suspicious_GEN.F47V0619
7.2.172

File size:
807.4 KB (826,776 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
DOWNLOADZONE

Authority:
COMODO CA Limited

Valid from:
9/12/2013 3:00:00 AM

Valid to:
9/13/2015 2:59:59 AM

Subject:
CN=DOWNLOADZONE, O=DOWNLOADZONE, STREET=96 Jessie st, STREET=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:
009B24C5AAB5A6D4FED7E156750E71003D

File PE Metadata
Compilation timestamp:
6/4/2014 7:50:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:cuR5EPHvTzBWJkZ8VzLOxFVeBRAM+NxrS7+o95ai7zHM7CxDn+JtgG43lCl:gf7zBWSZ8sVM+M+Ns+o95ZrxT+H6cl

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:
7.8696

Developed / compiled with:
Microsoft Visual C++

Code size:
85.5 KB (87,552 bytes)

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

http://zdl.downloadzone.org/.../java_downloader.exe

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