Media Player Update.exe

HD Player

Installer Setup

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Media Player Update.exe by Installer Setup 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 AirInstaller Download Manager installer. The file has been seen being downloaded from download.myinternetserecurity.com.
Publisher:
Installer Setup  (signed and verified)

Product:
HD Player

Version:
2.5.0.19

MD5:
f7b3fd59bc5695736bf2e20e2dce99df

SHA-1:
da80f977689343ad218c1c869cfaf371dd7c9942

SHA-256:
527d7ba5102ed9f1435745c60f6b57e950021b6a7b41502b7bf12157b6cfae25

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
1/7/2025 6:53:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Installe (M)
16.6.26.15

File size:
1 MB (1,064,096 bytes)

Product version:
2.5.0.19

Copyright:
(c) Installer Setup

Original file name:
Media Player Update.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\media player update.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/23/2014 8:00:00 PM

Valid to:
10/23/2016 7:59:59 PM

Subject:
CN=Installer Setup, O=Installer Setup, L=Vancouver, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
114A4CD0F4776DC50DF11F7D51696678

File PE Metadata
Compilation timestamp:
12/11/2014 6:30:10 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:hW3lNWiOL87cCCtjS1JnvnPBPQ0KcUFqlguSxZ/S3KAu:OCpVtjcJ/P1KlvxZ9B

Entry address:
0x345B30

Entry point:
60, BE, 00, B0, 64, 00, 8D, BE, 00, 60, DB, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

The file Media Player Update.exe has been seen being distributed by the following URL.

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