unt66ce.exe

wisen wizard

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application unt66ce.exe by wisen wizard has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
wisen wizard  (signed and verified)

MD5:
8d787cada2b19d3e38f17b2e086a7590

SHA-1:
63fabe607529876dd229697ae5fe36a810ebebfd

SHA-256:
57efe5a36cb4f7e77fdaca4ba2159d5d4832014a0c364b0fdb64aaa6e5eccf9a

Scanner detections:
3 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/26/2024 1:16:21 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Downloader
2014.02.20

Reason Heuristics
PUP.wisenwizard.H
14.2.14.12

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14217

File size:
227.6 KB (233,056 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\unt66ce.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 2:00:00 AM

Valid to:
11/28/2014 1:59:59 AM

Subject:
CN=wisen wizard, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=wisen wizard, 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:
60C10E74C549776A696451A95399F2D5

File PE Metadata
Compilation timestamp:
12/6/2009 12:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:VZ+119iZbm3huwu/1RWBT5AYZm/G/Hcjz:2ilAg1s15AB/G/8jz

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:
7.9157

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 communication in live environments.

TCP (HTTP):
Connects to a184-26-162-24.deploy.static.akamaitechnologies.com  (184.26.162.24:80)

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