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maucampo.exe

maucampo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file maucampo.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:
1.0.5406.21641

MD5:
210ee6a893809f5ee0e021691597e4aa

SHA-1:
643fea908839c90eaa95d7aa594ca2dc0375e022

SHA-256:
3d48c4b6c12c2e974bf4ad14170b9859ecd58a68fdda72b76a2ad66c5dfa2e6a

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:
5/9/2024 12:36:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.19

File size:
511.3 KB (523,544 bytes)

Product version:
1.0.5406.21641

Original file name:
maucampo.exe

Common path:
C:\Program Files\maucampo\bin\tmp2344.tmp

Digital Signature
Signed by:
maucampo

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 3:00:00 AM

Valid to:
11/28/2014 2:59:59 AM

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:
10/20/2014 11:01:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F81A

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, 02, 00, 00, 00, 5B, 00, 00, 00, 5C, F8, 07, 00, 5C, DA, 07, 00, 52, 53, 44, 53, F4, A6, B8, 05, CE, F0, F4, 46, B7, 4F, DB, 2B, 44, FC, 09, 87, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 6A, 6F, 69, 33, 67, 79, 6C, 31, 2E, 31, 76, 64, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9211

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

Code size:
502.5 KB (514,560 bytes)

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