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optin.php

yvonlheureuxtechnology.com

The file optin.php by yvonlheureuxtechnology.com has been detected as a potentially unwanted program by 12 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. The file has been seen being downloaded from install-apps.com and multiple other hosts.
Publisher:
yvonlheureuxtechnology.com  (signed and verified)

MD5:
9d900c690742d27b2eca274054a937c1

SHA-1:
8237ac59e33caf833d88442a1947974d021d9ea9

SHA-256:
e0ae1f781a2d8707ce83eaf2f059b1e027503eb102904d3712b1b8796516b672

Scanner detections:
12 / 68

Status:
Potentially unwanted

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

Analysis date:
11/23/2024 9:35:03 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Wajam.4054408
8.3.2.4

AVG
Generic_r
2016.0.2879

Dr.Web
Adware.Wajam.64
9.0.1.0365

Fortinet FortiGate
Adware/BrowserFox
12/31/2015

F-Prot
W32/MSIL_Injector.AE.gen
v6.4.7.1.166

G Data
NSIS.Application.Wajam
15.12.25

K7 AntiVirus
Riskware
13.212.18273

Kaspersky
not-a-virus:Downloader.Win32.Wajam
14.0.0.888

NANO AntiVirus
Trojan.Nsis.Wajam.dqgtqq
1.0.14.5380

Rising Antivirus
NS:Adware.BrAppWare NS!1.A17E [F]
23.00.65.151229

Vba32 AntiVirus
TrojanSpy.Agent
3.12.26.4

Zillya! Antivirus
Adware.BrowseFox.Win32.184656
2.0.0.2587

File size:
3.9 MB (4,054,408 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\optin.php

Digital Signature
Signed by:
yvonlheureuxtechnology.com

Authority:
thawte, Inc.

Valid from:
8/24/2015 8:00:00 PM

Valid to:
8/24/2016 7:59:59 PM

Subject:
CN=yvonlheureuxtechnology.com, O=yvonlheureuxtechnology.com, L=Montreal, S=Quebec, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
62CDB0AE58B4516EC0C27E3FC8424516

File PE Metadata
Compilation timestamp:
12/5/2009 5:53:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:gYKKMqMxiOqg6v3tvMwfEZtvBoadig1wigPdkck8RDzFmcp:gYKhi9/tMwsZtvqX6wpdkX8RDH

Entry address:
0x36A0

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 88, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, B8, 63, 42, 00, E8, EE, 2E, 00, 00, A3, 04, 63, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, B0, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, 10, A8, 40, 00, 68, 00, 5B, 42, 00, E8, F4, 29, 00, 00, FF, 15, B0, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, E2, 29, 00, 00...
 
[+]

Entropy:
7.9994

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file optin.php has been seen being distributed by the following 7 URLs.

http://install-apps.com/.../WWE_1.58.1.20.exe

http://www.plateau-technologies.com/.../WWE_1.58.1.20.exe

http://wajam-download.com/.../WWE_1.58.1.20.exe

http://localhost:37848/continue?TiCredToken=7615&Source=WTP&URL=http://www.technologiebellechasse.com/.../WWE_1.58.1.20.exe&Permanent=1

http://www.technologiedrapeau.com/.../WWE_1.58.1.20.exe

http://www.technologiefullum.com/.../WWE_1.58.1.20.exe

http://datawestsoftware.com/.../WWE_1.58.1.20.exe

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