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PacFunction.BRT.Helper.exe

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application PacFunction.BRT.Helper.exe by PacFunction has been detected as adware by 11 anti-malware scanners. 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:
PacFunction  (signed and verified)

Version:
1.0.0.0

MD5:
398b39d1078774265bb24816f01862d5

SHA-1:
16c15c80dd0ee71ba9ec5c259b52db73bd6b96fb

SHA-256:
c7057b804ae4eb6b2f8e55c7574b4b84b6b511baa0a495c7af05dc903884960d

Scanner detections:
11 / 68

Status:
Adware

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

Analysis date:
4/23/2024 7:34:21 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/BrowseFox.Gen4
7.11.182.172

avast!
Win32:BrowseFox-BV [PUP]
141025-0

AVG
Pafun
2015.0.3304

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141031

Dr.Web
Trojan.BPlug.199
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3015

McAfee
BrowseFox.b
5600.6960

Qihoo 360 Security
Win32/Virus.Adware.e4c
1.0.0.1015

Reason Heuristics
PUP.PacFunction.U
14.10.31.20

VIPRE Antivirus
Threat.4741131
34232

File size:
157.3 KB (161,056 bytes)

Product version:
1.0.0.0

Original file name:
PacFunction.BRT.Helper.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\pacfunction\bin\pacfunction.brt.helper.exe

Digital Signature
Signed by:
PacFunction

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 12:00:00 AM

Valid to:
1/9/2015 11:59:59 PM

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:
10/30/2014 7:35:30 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
3072:mEmWsxOuBOBS1zIs26kysyz6kYD4AOX5JnZoeOjdC+39:mEmWcES1zI56kyDz6kc4fXXZoLdZ9

Entry address:
0x2711E

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:
148.5 KB (152,064 bytes)

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