youtube_setup.exe

BrowserOptimizer

KEYDOWNLOAD LTD

The application youtube_setup.exe by KEYDOWNLOAD has been detected as adware by 6 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. This will display context specific advertisements in the browser as well as attempt to modify the browser's search provider. The file has been seen being downloaded from dl.otshot.net.
Publisher:
KeyDownload  (signed by KEYDOWNLOAD LTD)

Product:
BrowserOptimizer

Description:
setup

Version:
1, 0, 0, 1

MD5:
7bf589af0163ba0b490e322eab84d06f

SHA-1:
9b9237990270dce415af13f6112cdd286c51aaa6

SHA-256:
6f4417d45504a828729748f4efce077913cd35a43df715e80ae9a6ba3af5b46f

Scanner detections:
6 / 68

Status:
Adware

Explanation:
The installer may include an offer for the Babylon Toolbar (a homepage/search hijacker), which is potentially installed with minimal user consent.

Analysis date:
4/19/2024 7:14:39 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Rogue.11995513
7.11.185.228

Dr.Web
Threat.Undefined
9.0.1.012

ESET NOD32
Win32/KeyDownload.A potentially unwanted application
10.7.0.302.0

NANO AntiVirus
Riskware.Html.Babylon.cwhyhv
0.28.2.60990

Reason Heuristics
PUP.KeyDownload.Installer (M)
16.1.12.10

VIPRE Antivirus
Threat.4782000
31208

File size:
1.2 MB (1,270,656 bytes)

Product version:
1, 0, 0, 1

Copyright:
KeyDownload Copyright (C) 2013

Original file name:
setup.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
10/22/2012 8:00:00 PM

Valid to:
10/23/2013 7:59:59 PM

Subject:
CN=KEYDOWNLOAD LTD, O=KEYDOWNLOAD LTD, L=Tel Aviv- Jaffa, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
44DCCD0B7D3CB651EC98DC55DCEEBDA0

File PE Metadata
Compilation timestamp:
8/16/2013 6:39:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:JpFVzDZupXVRQoipDSXRyI2RpD8pwpdS9NARlpzv3BBnZo2OSjeZudMRbz:JpFVvZupFGNIv4D84S9NARlBv3BBn+2u

Entry address:
0x281850

Entry point:
60, BE, 00, 00, 55, 00, 8D, BE, 00, 10, EB, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.8950

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
1.2 MB (1,253,376 bytes)

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

Remove youtube_setup.exe - Powered by Reason Core Security