» updatepacfunction.exe
Overview
Analysis
File Details
Behaviors (1)
Programs (1)

updatepacfunction.exe

PacFunction

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for PacFunction will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updatepacfunction.exe by PacFunction has been detected as adware by 2 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update 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:

Publisher:

PacFunction (signed and verified)

Version:

1.0.5168.42165

MD5:

1fd652e7e01907261e0d2558258bac43

SHA-1:

f4550685d9c37c849486d505a263a62fb70c203b

SHA-256:

0b6988ad416c78bf1f70602c7f9d5557dc098ef18bb7934a15455a72b6391e7b

Scanner detections:

2 / 68

Status:

Adware

Explanation:

Part of the Yontoo adware web browser extension update process.

Analysis date:

4/26/2024 4:19:36 AM UTC (today)

Scan engine

Detection

Engine version

ESET NOD32

Win32/BrowseFox (variant)

8.9522

Reason Heuristics

PUP.Service.PacFunction.R

14.3.13.16

File size:

109.3 KB (111,904 bytes)

Product version:

1.0.5168.42165

Original file name:

PacFunction.exe

File type:

Executable application (Win32 EXE)

Common path:

C:\Program Files\pacfunction\updatepacfunction.exe

Digital Signature

Signed by:

PacFunction

Authority:

VeriSign, Inc.

Valid from:

1/9/2014 1:00:00 AM

Valid to:

1/10/2015 12:59:59 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:

2/25/2014 12:25:43 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows Console

Linker version:

8.0

.NET CLR dependent:

Yes

CTPH (ssdeep):

3072:hG7UK9j0xlRiORWu4puYXc9cBbGqL8ZmJc:hG7H9j0xlVwVuqcUbG45S

Entry address:

0x1B13A

Entry point:

FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00... 
[+]

Developed / compiled with:

Microsoft Visual C# / Basic .NET

Code size:

100.5 KB (102,912 bytes)

Service

Display name:

Update PacFunction

Type:

Win32OwnProcess

The file updatepacfunction.exe 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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