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MediaUpdate.exe

Media Update

KoreaMediaLab Co.,Ltd

The application MediaUpdate.exe by KoreaMediaLab Co.,Ltd has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘MediaUpdate’.
Publisher:
KoreaMediaLab Co.,Ltd  (signed and verified)

Product:
Media Update

Version:
1.3.1.0

MD5:
4f5c0ef3715334a3da9aca4b82a5f2c3

SHA-1:
e7d72fcf4e51cb3fa7ba15ff2ae7005bda492f45

SHA-256:
d74915da0354e01763f3a4a1388b1c645de71991f20a08d34118b0c87010f610

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Analysis date:
5/11/2024 7:12:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.9.28.14

File size:
250.8 KB (256,816 bytes)

Product version:
1.3.1.0

Copyright:
Copyright (C) KoreaMediaLab Co.,Ltd. All rights reserved.

Original file name:
MediaUpdate.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\mediaupdate\mediaupdate.exe

Digital Signature
Signed by:
KoreaMediaLab Co.,Ltd

Authority:
Thawte, Inc.

Valid from:
6/24/2014 9:00:00 AM

Valid to:
6/25/2015 8:59:59 AM

Subject:
CN="KoreaMediaLab Co.,Ltd", O="KoreaMediaLab Co.,Ltd", L=Gangnam-gu, S=Seoul, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
22FF221EEE3921FB5AD4751545E33D41

File PE Metadata
Compilation timestamp:
4/7/2015 6:10:05 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:4rBj/n9do4u49pC+qYynu7KLAODjnsu3S0:4rBj/nEmqYynumYu3l

Entry address:
0x22051

Entry point:
E8, A2, 04, 00, 00, E9, 36, FD, FF, FF, CC, FF, 25, 5C, 61, 42, 00, CC, CC, 68, BD, 20, 42, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 18, 10, 43, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B, 4D, F0, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, 8B, FF, 55, 8B, EC, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, 68, 04, 1C...
 
[+]

Entropy:
6.3588

Code size:
146.5 KB (150,016 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
MediaUpdate

Command:
"C:\users\{user}\appdata\local\mediaupdate\mediaupdate.exe"


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