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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 setup and installation application 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:
c761c9796993028dc7e363d9f35ab308

SHA-1:
a619ffef726e02f4080fdb316cad12fac405a862

SHA-256:
f488fa2d769ceb45a826615cc241e36c111a8fb49464389f6516d5f174d394e3

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:
12/28/2024 9:00:45 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Rogue.11995513
7.11.185.228

Dr.Web
Threat.Undefined
9.0.1.0320

ESET NOD32
Win32/KeyDownload.A potentially unwanted application
9.7.0.302.0

NANO AntiVirus
Riskware.Html.Babylon.cwhyhv
0.28.2.60990

Reason Heuristics
PUP.KeyDownload.Installer (M)
15.11.16.10

VIPRE Antivirus
Threat.4782000
31208

File size:
1.5 MB (1,620,352 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:
KEYDOWNLOAD LTD

Authority:
Thawte, Inc.

Valid from:
10/22/2012 7:00:00 PM

Valid to:
10/23/2013 6:59:59 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:
8/4/2013 2:26:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:7x3ZMw4emC0UW80EPOh9EF+TfCUCL1IRWOaeRmrEaBn3:7x3Z+97HQO/uaaUA1IRZhRm4aBn3

Entry address:
0x2CDF60

Entry point:
60, BE, 00, 70, 54, 00, 8D, BE, 00, A0, 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:
7.8764

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

Code size:
1.5 MB (1,605,632 bytes)

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

http://dl.otshot.net/downloadyt.php?affid=1264&context=1024ff742fcbacd8c205b68d4e9ec2

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