flv player addon-buttonutil64.dll

Porter Studio Plus

This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The module flv player addon-buttonutil64.dll by Porter Studio Plus has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The ButtonUtil module (64-bit version) uses the Crossrider web extension platform and will perform a number of helper integration on the user's web browser's as well as the Window's Shell in order to install the addon. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
Porter Studio Plus  (signed and verified)

MD5:
8af36f140a09591fe9a3c4f67905533f

SHA-1:
f8a6e925621cc377cdc58a24d26f23e5dfbedff2

SHA-256:
aa48a985bd7cc20ec033cadb43e045fb1b9cbf8e30a70b66d577acd7b731655a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Crossrider toolbar platform.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application. The owner/publisher of this file is Porter Studio Plus.

Analysis date:
7/10/2020 10:48:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Crossrider (M)
17.3.9.15

File size:
480.9 KB (492,448 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\flv player addon\flv player addon-buttonutil64.dll

Digital Signature
Authority:
COMODO CA Limited

Valid from:
10/20/2014 2:00:00 AM

Valid to:
10/21/2015 1:59:59 AM

Subject:
CN=Porter Studio Plus, O=Porter Studio Plus, STREET=Athinodorou 3, STREET=Dasoupoli Strovolos, L=Nicosia, S=Cyprus, PostalCode=2025, C=CY

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00B7BA41CFBA8D50AF9A2A64362C08FA91

File PE Metadata
Compilation timestamp:
10/24/2014 9:33:15 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x2F86C

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 7F, A7, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, 03, 00, 00, 00, CC, CC, CC, 48, 8B, C4, 48, 89, 58, 20, 4C, 89, 40, 18, 89, 50, 10, 48, 89, 48, 08, 56, 57, 41, 56, 48, 83, EC, 50, 49, 8B, F0, 8B, DA, 4C, 8B, F1, BA, 01, 00, 00, 00, 89, 50, B8, 85, DB, 75, 0F, 39, 1D, 00, 05, 04, 00, 75, 07, 33, C0, E9, D2, 00, 00, 00, 8D, 43, FF...
 
[+]

Code size:
319 KB (326,656 bytes)

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