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mediaplayer_update.exe

Web

OOO Creo Advert

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mediaplayer_update.exe, “Web Setup ” by OOO Creo Advert has been detected as adware 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 setting4upgrade.plugin-update.org.
Publisher:
Application   (signed by OOO Creo Advert)

Product:
Web

Description:
Web Setup

MD5:
7a00edc5defbd700b7000ef4b8e63b43

SHA-1:
d68b5ab6585ff1a5c73e9de417057a98545fba0e

SHA-256:
4a0d7e5582402985011fe5a35033485b7d9618d66e0cfd8fa9868b942f0ebbf6

Scanner detections:
1 / 68

Status:
Adware

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:
4/18/2025 12:39:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.18.19

File size:
761.3 KB (779,608 bytes)

Product version:
2.2.2

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\mediaplayer_update.exe

Digital Signature
Signed by:
OOO Creo Advert

Authority:
COMODO CA Limited

Valid from:
1/22/2015 4:00:00 PM

Valid to:
1/23/2016 3:59:59 PM

Subject:
CN=OOO Creo Advert, O=OOO Creo Advert, STREET=Prospect Volgogradskii 2, L=Moscow, S=Moscow, PostalCode=109316, C=RU

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

Serial number:
5CA28C3040B50169C6EFFE7AD594035D

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:PwIG21TqmMYNeYe7w58lCQsmoqoasBmYZ9V6jOwVwEF+BeS//QvReqVDR:PwIX1WmNN9vdxmE1mwnBZ//QvReODR

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:
7.6598

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

Code size:
39.5 KB (40,448 bytes)

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

http://setting4upgrade.plugin-update.org/dl.php?conversion_id=14256756399770&app_id=96&lp_id=668&v=icrs&stub_id=119&v_id=pa8yFiB2o2zvflbrI4DzRPafagczEeCqJlzeu0CWwi8=&dist_id=717&channel=affl290&subid=102654_b909cde59aadf07849eb44f3347b4256

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