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java-web-start.exe

Software

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application java-web-start.exe, “Software Setup ” by UpdateStar GmbH has been detected as a potentially unwanted program 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 installCore installer. With this installer, users are expecting to download the free Oracle Java Runtime but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Application   (signed by UpdateStar GmbH)

Product:
Software

Description:
Software Setup

Version:
5.7.5.5

MD5:
6d9fb497d74aa832db19b61676826746

SHA-1:
03d27a004ebd61c88c3e0145350efc69f40176b6

SHA-256:
5010d39a9050a74a379e7255c0a989399f17b11bfb838366ef1727e8dcc3cbe7

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/5/2025 11:33:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.UpdateSt.Installer (M)
16.6.29.9

File size:
743.7 KB (761,568 bytes)

Product version:
1.6.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\java-web-start.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
2/3/2015 7:10:42 AM

Valid to:
2/4/2016 7:10:42 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112124922D3C2654755777EEC500C21F7151

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Vxbp+0ZR09/XAUCyup2LveggHgyXE7oX+3kcQcw2QFGshw7egvWtQxnP:Vxbw0Z69obbp2bcHggE7ELRmeVQxnP

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file java-web-start.exe has been seen being distributed by the following URL.

http://cdn.updatestarfilesnow.com/c?x=TKHVhIrA/Bchd3cCXt6cEYVE9HmUnZRz FDK2nYirWQ=&c=TOVM8XuIHhFiW9PcPdP 1TaztavEtdI1n8REOkNZUgK5R1I1oJEjCQuOFkQscyPdBVVZc/3KEFsjAL/TBayYaw==&downloadAs=java-web-start.exe&fallback_url=http://download.oracle.com/otn-pub/java/jdk/.../jdk-7u51-windows-i586.exe

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