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mediadownloader.exe

clipqube

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application mediadownloader.exe by clipqube has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from cdn.downloadcobra.com.
Publisher:
clipqube  (signed and verified)

MD5:
711ed14ba0d9b524598151426e31eecf

SHA-1:
ae986c3a2f170e04b1c739f471925fdcde564100

SHA-256:
24bb690375b4c5cb7d5bac648e74c1aa6c73dce6dd9d9fce3fe22de0e3500401

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
5/20/2024 4:26:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.7.9

File size:
254 KB (260,136 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
clipqube

Authority:
Thawte, Inc.

Valid from:
10/30/2014 5:00:00 PM

Valid to:
11/18/2015 3:59:59 PM

Subject:
CN=clipqube, O=clipqube, L=Tel Aviv, S=Israel, C=IL

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

Serial number:
1FCBFDBEAD545580F2531ECD63A07DB9

File PE Metadata
Compilation timestamp:
3/1/2015 4:23:06 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x30BA

Entry point:
E8, 8D, 48, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 48, AD, 41, 00, E8, F0, 2D, 00, 00, E8, 5E, 4A, 00, 00, 0F, B7, F0, 6A, 02, E8, 20, 48, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, DF, 3F, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.8980

Code size:
77 KB (78,848 bytes)

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

http://cdn.downloadcobra.com/.../setup.exe

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