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b90cddbb6b18e5f9de3c693ba59d66a30d2028de

Well Known Media Ltd

The file b90cddbb6b18e5f9de3c693ba59d66a30d2028de by Well Known Media has been detected as a potentially unwanted program 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 NSIS (Nullsoft Scriptable Install System) installer. It is installed within the Mozilla Firefox web browser as part of an addin/plugin.
Publisher:
Well Known Media Ltd  (signed and verified)

MD5:
438e9483c5b3eac214a9e927f4e09e8f

SHA-1:
e7d63081a805452ca3d256b23b640fe446d47386

SHA-256:
33f3ea146cbbe0343418313c377ae8412dd88acb084ee2056542f032656613d5

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 7:58:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.WellKnow.Installer
17.2.27.5

File size:
2.1 MB (2,191,627 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\mozilla\firefox\profiles\{user}.default\cache2\entries\b90cddbb6b18e5f9de3c693ba59d66a30d2028de

Digital Signature
Signed by:
Well Known Media Ltd

Authority:
Thawte, Inc.

Valid from:
11/28/2014 5:00:00 AM

Valid to:
11/28/2016 4:59:59 AM

Subject:
CN=Well Known Media Ltd, OU=FileHippo, O=Well Known Media Ltd, L=London, S=England, C=GB

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

Serial number:
65857DF98CF56A13805D20AF7078FA00

File PE Metadata
Compilation timestamp:
2/25/2012 12:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9345

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

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