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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:
63aac72c4255d27ddb63dd90c3c5c02f

SHA-1:
94648952906fcd5bbd79d3dd055d672106a910e7

SHA-256:
a815cc91eeebd625f9e362dfb9fe359f5fdd700bbbef949db056ca88c4289c42

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:
1/7/2025 7:11:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.17.12

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:
Installer Setup

Authority:
VeriSign, Inc.

Valid from:
10/24/2014 5:30:00 AM

Valid to:
10/24/2016 5:29:59 AM

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:
12/12/2014 5:00:10 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:JW3lNWiOL87cCCtjS1JnvnPBPQ0KcUFqlguSxZ/S3Kb7:GCpVtjcJ/P1KlvxZ9n

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...
 
[+]

Entropy:
7.8967

Packer / compiler:
UPX 2.90LZMA

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

http://download.myinternetserecurity.com/v1.5/click/.../?uid=ID10Eiehga&sid=64280901&filename=Media Player Update

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