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pacfunction.browseradapter.exe

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application pacfunction.browseradapter.exe by PacFunction has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
PacFunction  (signed and verified)

MD5:
e3f6742a60b8292bbeb78136c5913b1b

SHA-1:
b63ebea7e8f78b32949e8122b51ba072ce488874

SHA-256:
f9a113d9025ce4ac2f54c859ce9818fb40f54bbc42c5c5a967b7c69718c31b34

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:
5/3/2024 3:08:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.11

File size:
96.2 KB (98,544 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\pacfunction\bin\pacfunction.browseradapter.exe

Digital Signature
Signed by:
PacFunction

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 5:30:00 AM

Valid to:
2/22/2016 5:29:59 AM

Subject:
CN=PacFunction, 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:
577EA5DC8266D5CCDB3FA17D795517BD

File PE Metadata
Compilation timestamp:
12/25/2014 7:02:46 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x3665

Entry point:
E8, C5, 21, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, F3, 05, 00, 00, 3B, 0D, 70, 50, 41, 00, 75, 02, F3, C3, E9, 41, 22, 00, 00, 8B, FF, 55, 8B, EC, 83, EC, 10, EB, 0D, FF, 75, 08, E8, 44, 23, 00, 00, 59, 85, C0, 74, 0F, FF, 75, 08, E8, 8A, 07, 00, 00, 59, 85, C0, 74, E6, C9, C3, F6, 05, D8, 63, 41, 00, 01, BF, CC, 63, 41, 00, BE, F4, 11, 41, 00, 75, 2C, 83, 0D, D8, 63, 41, 00, 01, 6A, 01, 8D, 45, FC, 50, 8B, CF, C7, 45, FC, FC, 11, 41, 00, E8, 2C, 00, 00, 00, 68, 4E, 03, 41, 00, 89, 35, CC...
 
[+]

Entropy:
6.4130

Code size:
61 KB (62,464 bytes)

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