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xaven.exe

Xaven

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application xaven.exe by Xaven 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. The file has been seen being downloaded from cdninst.com.
Publisher:
Xaven  (signed and verified)

MD5:
fedad72d67c0c4cf7dcf1401a1421bf3

SHA-1:
74a0aef2aaa32366af7887b383e7ceae14a70592

SHA-256:
3f9f003d5bc203b2f12d8571c105f5ae6b63c62bbb56ee658f57eb373934e2bd

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/26/2024 3:35:15 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
NSIS:Malware-gen [Trj]
2014.9-140427

ESET NOD32
Win32/BrowseFox
8.9704

Malwarebytes
PUP.Optional.Xaven.A
v2014.04.27.11

McAfee
Artemis!FEDAD72D67C0
5600.7147

nProtect
Adware/W32.Agent.203360
14.04.21.01

Reason Heuristics
PUP.Xaven.F
14.4.27.23

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14425

File size:
198.6 KB (203,360 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\xaven.exe

Digital Signature
Signed by:
Xaven

Authority:
VeriSign, Inc.

Valid from:
10/6/2013 5:00:00 PM

Valid to:
10/7/2014 4:59:59 PM

Subject:
CN=Xaven, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Xaven, 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:
0A5CE2C650CAC6A06298CBDABAEB9E5A

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:iLk395hYXJsC/Fk5Mvkn3FkS9XPcCZT9anH7l1m/GqMHJGULv:iQqDNkGS3FkGPPhYnH7nm/G/Hc

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, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8960

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://cdninst.com/offers/.../Xaven.exe

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