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bestvideodownloadersetup-ol.exe

Best Video Downloader

Alactro LLC

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application bestvideodownloadersetup-ol.exe by Alactro has been detected as adware by 8 anti-malware scanners. This is a setup and installation application and has been known to bundle potentially unwanted software.
Publisher:
Alactro LLC  (signed and verified)

Product:
Best Video Downloader

Description:
Installer

Version:
2011.12.9.1117

MD5:
244d1ee3e8baac0b3212798be8d62ae2

SHA-1:
5597c40a07206a3bc30a5356d6ec7e80cf383164

SHA-256:
a3037552dd950e67efb20065a5bf396f8925772df64ad9f9d2de535ac97f3907

Scanner detections:
8 / 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:
4/18/2024 9:25:13 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Generic
7.1.1

Avira AntiVirus
ADWARE/Yontoo.Gen2
7.11.119.144

Baidu Antivirus
Adware.Win32.Yontoo
4.0.3.14723

Comodo Security
UnclassifiedMalware
17434

Dr.Web
Adware.Siggen.24249
9.0.1.0204

ESET NOD32
Win32/Adware.Yontoo (variant)
8.9170

Reason Heuristics
PUP.Installer.Alactro.BB
14.8.8.0

VIPRE Antivirus
Yontoo
24326

File size:
1.1 MB (1,143,096 bytes)

Product version:
1.00

Copyright:
Copyright (c) 2011 Alactro LLC. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\bestvideodownloadersetup-ol.exe

Digital Signature
Signed by:
Alactro LLC

Authority:
GoDaddy.com, Inc.

Valid from:
5/26/2011 10:13:23 PM

Valid to:
5/26/2012 10:13:23 PM

Subject:
CN=Alactro LLC, O=Alactro LLC, L=Carlsbad, S=CA, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27E40C73BA04BA

File PE Metadata
Compilation timestamp:
3/11/2011 2:55:28 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:ObfU+46eVrkDV7VwyJ6tIbhF0OdouOd6VSTRmzR1t8hGBdiTaGF:PP6elkDjLJgChFhoHGSTUzR16r

Entry address:
0x15B4

Entry point:
55, 8B, EC, 81, EC, CC, 05, 00, 00, 53, 56, 33, DB, 57, C6, 85, 34, FA, FF, FF, 00, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 00, 40, 40, 00, FF, 15, 70, 30, 40, 00, 89, 45, F8, 8D, 85, 3C, FE, FF, FF, 50, C7, 85, 3C, FE, FF, FF, 94, 00, 00, 00, FF, 15, 6C, 30, 40, 00, 85, C0, 75, 21, FF, 15, 14, 30, 40, 00, 50, 68, A8, 32, 40, 00, E8, 36, FA, FF, FF, 59, C7, 05, 04, 40, 40, 00, FF, 00, 00, 00, E9, 20, 02, 00, 00, 8B, 35, 68, 30, 40, 00, 68, 94, 32, 40, 00, 68, 84, 32, 40, 00, FF, D6, 50, FF, 15, 64, 30, 40...
 
[+]

Entropy:
7.9967

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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