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mediaplayer_update.exe

program

OOO Digital Servis

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, “program Setup ” by OOO Digital Servis 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.heartbundlecity.com.
Publisher:
OOO Digital Servis  (signed and verified)

Product:
program

Description:
program Setup

Version:
1.6.4.2

MD5:
0c21cee90689367b56046eb159715ddb

SHA-1:
59f0a7ef97069d9dc05b9a6035262ad4de07422a

SHA-256:
fa4e5159a48b6c594e9b43d075d850e4951a29c987170a47ca753fcb1b34d15d

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:
11/27/2024 12:40:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.28.9

File size:
927.2 KB (949,432 bytes)

Product version:
1.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mediaplayer_update.exe

Digital Signature
Signed by:
OOO Digital Servis

Authority:
COMODO CA Limited

Valid from:
4/7/2015 5:00:00 PM

Valid to:
4/7/2016 4:59:59 PM

Subject:
CN=OOO Digital Servis, O=OOO Digital Servis, STREET="Milashenkova, d. 10 of. 96", L=Moscow, S=Moscow, PostalCode=127322, C=RU

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

Serial number:
00DBBB3832170BFEA6F12A5185EA35051C

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

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...
 
[+]

Entropy:
7.9357

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

Code size:
37 KB (37,888 bytes)

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

http://www.heartbundlecity.com/c?x=ZRn549vu0jftn62akPqVh3GQKMeJV1FbmUUzcCmpeZU=&c=LARaJ1Fo1UK0K0L9wnlkp THQCFe0TsoXDTWDdamUEywPrCq2pmpHcD/h4CjinLpuGGmtE0wdHBfSf5NZevNbvOO5QiSrzaMtOavg3hmqNm2g/jjED8/ms1Kbxm7JHbL&downloadAs=mediaplayer_update.exe&fallback_url=http://d.castplatform.com/api/.../1?aus=3502

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