home

setup.exe

maucampo

This is the installer and setup program from the maucampo branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by maucampo has been detected as adware by 28 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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:
maucampo  (signed and verified)

MD5:
5ffefc30f91ef76309b90a8fca0eb79a

SHA-1:
2c172310851eb93464e6628df7f45d7958ecca92

SHA-256:
3ee056ace80a0edb30ab614d16749370d1ffe985bc88c3138dcfae1b67c5d69d

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/25/2024 7:02:11 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.909857
1022

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.64

AVG
MalSign.Maucampo
2015.0.3500

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14419

Bitdefender
Adware.Generic.909857
1.0.20.545

Comodo Security
Application.Win32.Altbrowse.AK
18128

Dr.Web
Trojan.BPlug.11
9.0.1.0109

Emsisoft Anti-Malware
Adware.Generic.909857
8.14.04.19.02

ESET NOD32
Win32/BrowseFox (variant)
8.9698

Fortinet FortiGate
Adware/Agent
4/19/2014

F-Secure
Adware.Generic.909857
11.2014-19-04_7

G Data
Adware.Generic.909857
14.4.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11806

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3995

Malwarebytes
PUP.Optional.Maucampo.A
v2014.04.19.02

McAfee
Artemis!E0B7CDA2B71F
5600.7156

MicroWorld eScan
Adware.Generic.909857
15.0.0.327

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.0.59288

Quick Heal
AdWare.Agent.ahbx (Not a Virus)
4.14.12.00

Reason Heuristics
PUP.Installer.maucampo.F
14.8.8.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14417

Sophos
Generic PUA PM
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10657

Trend Micro House Call
TROJ_GE.3929168B
7.2.109

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Adware.Agent
28384

File size:
738.6 KB (756,344 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
maucampo

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 12:00:00 AM

Valid to:
11/27/2014 11:59:59 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:
12/5/2009 10:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:fXXW2nb1s15AB/G/8lxzGOQONqDEiDMn46lnrB9xMQ3nb1s15Ass/G/8LC:fXTnb6F8zzdNIE7NrB9CUnb6l8LC

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9852

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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