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unity-web-player.exe

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application unity-web-player.exe 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. The file has been seen being downloaded from www.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
4d333cf6009081983b561aa61c46fe68

SHA-1:
fae011340fc292dfcceec2b0a4d345ceb371ab76

SHA-256:
1d58ee28a30b4473fef7788e7112b2d63566d4cb679ffc0887045ddfa2c8b10f

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:
4/19/2024 12:12:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.8.14

File size:
625.8 KB (640,792 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\unity-web-player.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
COMODO CA Limited

Valid from:
1/1/2013 10:00:00 PM

Valid to:
1/2/2016 9:59:59 PM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009ED227324380B40DDE36C8D31A33831F

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:D9ApoBvMiFTqCyyuyus8UhQdU0kDtqBWc/eHc9KG4TdTvgeBis:D9AafTqCnVu0hQdn8KnKG4JTYeBis

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 unity-web-player.exe has been seen being distributed by the following URL.

http://www.updatestar.com/.../2087479

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