java_update.exe

Web Application

Geryon Ads S.L.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application java_update.exe, “Web Application Setup ” by Geryon Ads S.L has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
Generic   (signed by Geryon Ads S.L.)

Product:
Web Application

Description:
Web Application Setup

Version:
4.2.5.8

MD5:
8dda8b04faaa022782926cc98d2dde94

SHA-1:
9f037058d142b7492799882d0c4a08f299f4dd62

SHA-256:
bf6d4be51a334ff181b644578b76cb37d7d9880535a47b8807b933ea87f4685c

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/1/2024 5:21:12 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3086

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1566

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.InstallCore.151
9.0.1.05190

ESET NOD32
Win32/InstallCore.ZM potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.204.16076

Malwarebytes
v2015.06.06.10

Reason Heuristics
PUP.Installer.GeryonAds
15.6.6.18

VIPRE Antivirus
Threat.4786018
40552

File size:
687.6 KB (704,064 bytes)

Product version:
5.6.8

Copyright:
Program

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/16/2014 2:00:00 AM

Valid to:
6/17/2015 1:59:59 AM

Subject:
CN=Geryon Ads S.L., OU=IT, O=Geryon Ads S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
71F910550D2DD2713679787B12FF2EA0

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:cHeGF+JxTmQV22wo+SAjhpTR4Vrm4a180DqrRU8Owoj9l7:cHeS+/TxJejhpTR4k17uU8O97

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:
7.8910

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

Code size:
39.5 KB (40,448 bytes)

The file java_update.exe has been seen being distributed by the following 4 URLs.

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