» pacfunctionbho.dll
Overview
Analysis
File Details
Behaviors (1)
Programs (1)

pacfunctionbho.dll

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module pacfunctionbho.dll by PacFunction has been detected as adware by 24 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘PacFunction’. This file is typically installed with the program PacFunction 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.

File name:

pacfunctionbho.dll

Publisher:

PacFunction (signed and verified)

Product:

PacFunction

Version:

1.0.0.3

MD5:

fa81a9b0f82957490a4f950728d095d7

SHA-1:

dda29df5e812dd434fc28b262e6cccedc2a7240f

SHA-256:

1b458b58a7e48b8dbc47f9ed08f156f41c265b21495a58110036362b1bd19e51

Scanner detections:

24 / 68

Status:

Adware

Explanation:

Injects advertising in the web browser in various formats.

Analysis date:

4/16/2024 11:03:00 AM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Adware.Agent.NYU

1032

Agnitum Outpost

PUA.Agent

7.1.1

Bitdefender

Adware.Agent.NYU

1.0.20.495

Comodo Security

Application.Win32.Altbrowse.AK

18064

Dr.Web

Trojan.BPlug.28

9.0.1.099

Emsisoft Anti-Malware

Adware.Agent.NYU

8.14.04.09.12

ESET NOD32

Win32/BrowseFox (variant)

8.9647

Fortinet FortiGate

Adware/Agent

4/9/2014

F-Secure

Adware.Agent.NYU

11.2014-09-04_4

G Data

Adware.Agent.NYU

14.4.24

IKARUS anti.virus

not-a-virus:AdWare.Win32.Agent

t3scan.2.2.29

K7 AntiVirus

Unwanted-Program

13.176.11554

Kaspersky

not-a-virus:AdWare.Win32.Agent

14.0.0.4045

Malwarebytes

PUP.Optional.PacFunction.A

v2014.04.09.12

McAfee

Artemis!15C431A67FE0

5600.7166

MicroWorld eScan

Adware.Agent.NYU

15.0.0.297

NANO AntiVirus

Riskware.Win32.Agent.cqvnby

0.28.0.58873

nProtect

Adware.Agent.NYU

14.04.07.01

Reason Heuristics

Adware.Yontoo.PacFunction.O

14.4.9.0

Sophos

Generic PUA PI

4.98

SUPERAntiSpyware

Adware.BrowseFox/Variant

10677

Trend Micro House Call

TROJ_GEN.F47V0322

7.2.99

Vba32 AntiVirus

AdWare.Agent

3.12.24.3

VIPRE Antivirus

Yontoo

28115

File size:

243.8 KB (249,632 bytes)

Product version:

1.0.0.3

Original file name:

PacFunctionIEClient.dll

File type:

Dynamic link library (Win32 DLL)

Language:

English (United States)

Common path:

C:\Program Files\pacfunction\pacfunctionbho.dll

Digital Signature

Signed by:

PacFunction

Authority:

VeriSign, Inc.

Valid from:

1/9/2014 2:00:00 AM

Valid to:

1/10/2015 1:59:59 AM

Subject:

CN=PacFunction, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PacFunction, L=San Diego, 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:

4DF47FADF68D2EB9B8A7923DCCC176FF

File PE Metadata

Compilation timestamp:

4/7/2014 10:17:16 PM

OS version:

6.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

11.0

CTPH (ssdeep):

3072:ILP0F8uW/hSpAysqehClqGBZ9/EvP543+UEIaIlJtuJc/0:ILP63p8qes/agnEIzMa/0

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:

6.3671

Developed / compiled with:

Microsoft Visual C++

Code size:

159 KB (162,816 bytes)

Internet Explorer BHO

Display name:

PacFunction

CLSID:

{9aa72d95-59d7-4421-a02c-f93a1187a165}

The file pacfunctionbho.dll has been discovered within the following programs.

PacFunction by Yontoo Technology, Inc.

TiltBorwser is a Yontoo/Sambreel advertising injection adware browser extension. - Random web page text is turned into hyperlinks. - Browser popups appear which recommend fake updates or other software.

pacfunction.info/support

87% remove it

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