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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 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:
4c527bcb839ad7531e5be08c763d87f8

SHA-1:
ecc4e1602bf53aa71bf45b8cbd0b9e595f266402

SHA-256:
94e0c2287c57f16e59df3a2b2b57729d69ed1e020186df8a94f66e6ab09692dc

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:
5/10/2024 10:56:47 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Rogue.11995513
7.11.185.228

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/KeyDownload.A potentially unwanted application
7.0.302.0

NANO AntiVirus
Riskware.Html.Babylon.cwhyhv
0.28.2.62151

Reason Heuristics
PUP.Installer.KEYDOWNLOAD.N
14.9.19.3

VIPRE Antivirus
Threat.4782000
33120

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+TfCUCL1IRWOaeRmrEaBnj:7x3Z+97HQO/uaaUA1IRZhRm4aBnj

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=102bc27341108e89c18ff8d9bb60f4

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