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webporpoisebho.dll

Webporpoise

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module webporpoisebho.dll by Webporpoise has been detected as adware by 21 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘webporpoise’. This file is typically installed with the program webporpoise by Yontoo Technology, Inc. which is a potentially unwanted software program. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Webporpoise  (signed and verified)

Product:
webporpoise

Version:
1.0.0.3

MD5:
b107df2d71a0004e7e37ccbde25dd231

SHA-1:
589a3154195c3f92aa81a1620e5906419b0f068c

SHA-256:
39a90a297dc22d097f02b18cb07847090d36f50e8dd518a0f176decc71367476

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/30/2024 8:58:25 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.145.130

avast!
Win32:PUP-gen [PUP]
2014.9-140428

AVG
Agent.W
2015.0.3490

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14428

Comodo Security
Application.Win32.Altbrowse.AK
18179

Dr.Web
Trojan.BPlug.28
9.0.1.0118

ESET NOD32
Win32/BrowseFox (variant)
8.9729

Fortinet FortiGate
Adware/Agent
4/28/2014

G Data
Win32.Application.BrowseFox
14.4.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11896

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3947

Malwarebytes
PUP.Optional.Webporpoise.A
v2014.04.28.02

McAfee
Artemis!B107DF2D71A0
5600.7146

NANO AntiVirus
Riskware.Win32.Agent.cqvnby
0.28.0.59492

Reason Heuristics
Adware.Yontoo.BHO.O
14.5.18.10

Sophos
Generic PUA FI
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10638

Trend Micro House Call
TROJ_GEN.F47V0423
7.2.118

VIPRE Antivirus
Yontoo
28650

File size:
243.8 KB (249,632 bytes)

Product version:
1.0.0.3

Copyright:
(c) webporpoise. All rights reserved.

Original file name:
webporpoiseIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\webporpoise\webporpoisebho.dll

Digital Signature
Signed by:
Webporpoise

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 3:00:00 AM

Valid to:
3/15/2015 2:59:59 AM

Subject:
CN=Webporpoise, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Webporpoise, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
77E73438E8DB62CBB923965C646E769F

Registration
CLSID:
{f31845e6-7a36-476e-802e-f81e59588e80}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
4/22/2014 2:34:56 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:ILh0F8v+lh0pAvAqehClBWBZdsFvP543+TEIaIg19ntB/vj:ILhb7pzqejsZgEEIsBP/vj

Entry address:
0x12844

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 40, 2D, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 44, 68, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 9C, A1, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.3687

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
webporpoise

CLSID:
{f31845e6-7a36-476e-802e-f81e59588e80}


The file webporpoisebho.dll has been discovered within the following program.

webporpoise  by Yontoo Technology, Inc.
webporpoise is a potentially unwanted adware program that injects ads into the user's browser. This includes inserting into web pages or displaying ads over parts of existing web page advertisements, banners, coupons or text links that would not otherwise appear.
webporpoise.biz/support
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