mediaplayer.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mediaplayer.exe by STMSetup has been detected as adware by 13 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 file has been seen being downloaded from cdn.click-downloadnow.com and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
69f3784926da1de0acda919755c6ed42

SHA-1:
31edd0c983dfc5798a6ab7e89da4686f11b02d48

SHA-256:
317f1cffedd75d243cffde27e7ab01ce4be6f989fbfa460c7da980f411fefa0a

Scanner detections:
13 / 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 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:
5/27/2024 12:33:42 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.179.100

AVG
Generic
2015.0.3318

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141017

Dr.Web
Adware.InstallCore.386
9.0.1.0290

ESET NOD32
Win32/InstallCore.OU (variant)
8.10580

Fortinet FortiGate
Riskware/InstallCore
10/17/2014

K7 AntiVirus
Unwanted-Program
13.184.13718

McAfee
Artemis!69F3784926DA
5600.6974

Norman
InstallCore.CERT
11.20141017

Reason Heuristics
PUP.STMSetup.L
14.10.17.16

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
InstallCore
34010

File size:
767.8 KB (786,248 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/27/2014 8:00:00 PM

Valid to:
4/28/2015 7:59:59 PM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:u6FaY6nGGWeExzXPd4wuhhybyLCzeHiOE/nEvVLbLOlqhI1ex0etPFEz4V7qBvi:u6FN2tWNxzXPdRuhhymLCzeHiONvZS03

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, BF, A9, FF, FF, E8, 5E, 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...
 
[+]

Entropy:
7.8466

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

Code size:
37 KB (37,888 bytes)

The file mediaplayer.exe has been seen being distributed by the following 2 URLs.

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