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youtube_setup.exe

BrowserOptimizer

KEYDOWNLOAD LTD

The application youtube_setup.exe by KEYDOWNLOAD has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. 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:
3c8d18ef2759c2d38d38590493a17e95

SHA-1:
b4d2bcd88a25e69e350d08a30ac7cedb54945a8e

SHA-256:
ea6974892c4c84d673a658e3d3f4d261762db11b3382b7167f0c59f6fc70cfda

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/24/2024 8:49:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.KeyDownload.Installer (M)
16.6.21.13

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:
KEYDOWNLOAD LTD

Authority:
Thawte, Inc.

Valid from:
10/22/2012 5:00:00 PM

Valid to:
10/23/2013 4:59:59 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 3:39:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:JpFVzDZupXVRQoipDSXRyI2RpD8pwpdS9NARlpzv3BBnZo2OSjeZudMRbs:JpFVvZupFGNIv4D84S9NARlBv3BBn+2J

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.

http://dl.otshot.net/downloadyt.php?affid=1264&context=1023a3c65e73c6d1d63e9308c14c5e

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