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maucampo.BRT.Helper.exe

maucampo

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

Version:
1.0.0.0

MD5:
8975cfa388544b2b06b78cd65a27e4f2

SHA-1:
5647d73fdb77797df81c66fd6dbb5bfb0529d84d

SHA-256:
11f9f35ce08aee62ea87f4cd1e455af66bc86cbb260e04eb6c8f1ce89a17119d

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:
4/20/2024 11:19:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.maucampo (M)
16.2.4.9

File size:
157.3 KB (161,048 bytes)

Product version:
1.0.0.0

Original file name:
maucampo.BRT.Helper.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
maucampo

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 6:00:00 PM

Valid to:
11/27/2014 5:59:59 PM

Subject:
CN=maucampo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=maucampo, 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:
40BF170484E09DB904849DB86C86A494

File PE Metadata
Compilation timestamp:
9/29/2014 11:58:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
3072:A5JexPrBOSeBfvwq4G4yKzdkXCKSAOf5R/w4JdCtv2DiK:A5JYXeBfYqR4yKzdQSfxR4Ed6+Db

Entry address:
0x27116

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...
 
[+]

Entropy:
6.1322

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
148.5 KB (152,064 bytes)

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