» 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 1 anti-malware scanner with very strong indications that the file is a potential threat. 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.

File name:

pacfunctionbho.dll

Publisher:

PacFunction (signed and verified)

Product:

PacFunction

Version:

1.0.0.3

MD5:

c400386934e1231122bd435ec28ef9a2

SHA-1:

41717b761c1bff4380a13ada52a98e6921656813

SHA-256:

3f4416d8969f628c03dc54dbc4789a76575b5e3e3aecc145fb8de52c91fa9d52

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:

4/23/2024 7:37:33 AM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

Unnamed.Threat.14

14.3.24.10

File size:

243.8 KB (249,632 bytes)

Product version:

1.0.0.3

Original file name:

PacFunctionIEClient.dll

File type:

Dynamic link library (Win64 DLL)

Language:

English (United States)

Common path:

C:\Program Files\pacfunction\pacfunctionbho.dll

Digital Signature

Signed by:

PacFunction

Subject:

CN=PacFunction, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PacFunction, L=San Diego, S=California, C=US

Serial number:

4DF47FADF68D2EB9B8A7923DCCC176FF

File PE Metadata

OS bitness:

Win64

CTPH (ssdeep):

3072:0LP0F8uW/hSpAysqehClqGBZ9/UvP543+VEIaIaJtukc/5:0LP63p8qes/qgaEIuMt/5

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:

6.3670

Developed / compiled with:

Microsoft Visual C++

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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