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o5ewuunzoj.exe

Deals Avenue

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application o5ewuunzoj.exe by Deals Avenue has been detected as adware by 7 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. It is also typically executed from the user's temporary directory.
Publisher:
Deals Avenue  (signed and verified)

Version:
2.0.5644.39287

MD5:
c4fc71b0fac709f9ad6aa10b2ea44237

SHA-1:
0a289138630f0454e572896fdf542cdd4876b66b

SHA-256:
cff3ab3160da92820cc8c385663c0117abd47c15486bbfded1ede868af75b9a2

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/19/2024 10:09:32 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-150618

AVG
BrowseFox
2016.0.3075

Clam AntiVirus
Win.Adware.Browsefox-725
0.98/20578

Dr.Web
Trojan.Yontoo.1949
9.0.1.05190

ESET NOD32
Win32/BrowseFox.BC potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.DealsAvenue.A
v2015.06.18.09

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

File size:
292.4 KB (299,368 bytes)

Product version:
2015.06.15

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\tu1yjfjoz3\o5ewuunzoj.exe

Digital Signature
Signed by:
Deals Avenue

Authority:
VeriSign, Inc.

Valid from:
3/25/2015 12:00:00 AM

Valid to:
3/24/2016 11:59:59 PM

Subject:
CN=Deals Avenue, O=Deals Avenue, 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:
648733A3F72E1C21B8C14F513D0F4F45

File PE Metadata
Compilation timestamp:
6/5/2014 12:58:31 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:mQ3ZppnM3DoFFjuvf/toNQ8dqLuJoU0U7Hd8CntQOHHM+HFFTjXdpNnT2m:XpnM3D0Fw/tN8dkmLtpHHHrh7J

Entry address:
0x31E4

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 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, B8, 6C, 44, 00, E8, 1B, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 6B, 44, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, 2B, 44, 00, E8, 0D, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, F0, 46, 00, 57, E8, FB, 23, 00, 00...
 
[+]

Entropy:
7.9401

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 a23-0-160-207.deploy.static.akamaitechnologies.com  (23.0.160.207:80)

TCP (HTTP):
Connects to a23-0-160-200.deploy.static.akamaitechnologies.com  (23.0.160.200:80)

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