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 20 anti-malware scanners. This is a setup and installation application and has been known to bundle potentially unwanted software. 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:
549076784f46195358a313c8084f56d1

SHA-1:
ca161387d5ef3ff8cf6de2bd5155c3f7fdbd37ad

SHA-256:
1b2876d1707a60d2a72ff3e0672b121bb330e5bb77b90c34103053a141b7b4cb

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
5/10/2024 7:01:44 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

AVG
MalSign.Maucampo
2015.0.3561

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14216

Comodo Security
Application.Win32.Altbrowse.AK
17792

Dr.Web
Trojan.BPlug.11
9.0.1.047

ESET NOD32
Win32/BrowseFox
8.9429

Fortinet FortiGate
Adware/Agent
2/16/2014

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.175.11177

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.4302

Malwarebytes
PUP.Optional.Maucampo.A
v2014.02.16.04

McAfee
Artemis!549076784F46
5600.7217

NANO AntiVirus
Riskware.Win32.Agent.cqsznp
0.28.0.57630

Quick Heal
AdWare.Agent.ahbx (Not a Virus)
2.14.12.00

Reason Heuristics
PUP.Installer.maucampo.F
14.8.8.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14214

Sophos
Generic PUA MK
4.97

Trend Micro House Call
TROJ_GE.3DC006FC
7.2.47

Vba32 AntiVirus
AdWare.Agent
3.12.24.3

VIPRE Antivirus
Adware.Agent
26508

File size:
2.1 MB (2,164,536 bytes)

File type:
Executable application (Win32 EXE)

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:
11/26/2013 7:00:00 PM

Valid to:
11/27/2014 6:59:59 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 5:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:3LWF8oAdRiObyz0gsrsftxDLiJXCAh+skx0MjReSWl8LO:7WuoWR/byz0jrqHLiJyA4tiUMSWOLO

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:
7.9977  (probably packed)

Code size:
22.5 KB (23,040 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://wpc.0952.edgecastcdn.net/800952/.../setup.exe

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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