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vlcmediaplayer-setup.exe

Zoobam

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application vlcmediaplayer-setup.exe by Zoobam has been detected as adware by 17 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. With this installer, users are expecting to download the VideoLAN VLC media player but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Zoobam  (signed and verified)

MD5:
585526988caf8efb6789c03bb72f3378

SHA-1:
84a57aeef2b96ffc31ed18baf066db3a5ef650f6

SHA-256:
64fb579d2b0f328b153f02dfadfbcf7c9ec0fb3baf2ec0df7576c6f2790c716f

Scanner detections:
17 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/2/2024 6:20:36 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2015.01.27

Avira AntiVirus
ADWARE/Adware.Gen
7.11.205.118

AVG
Generic
2016.0.3217

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/19981

Comodo Security
Application.Win32.DownloadAdmin.ANGL
20862

Dr.Web
Adware.Downware.2220
9.0.1.05190

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
7.0.302.0

F-Prot
W32/S-92ce39bf
v6.4.7.1.166

F-Secure
Adware:W32/WebInstallBundle
5.13.68

K7 AntiVirus
Unwanted-Program
13.192.14761

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.01.27.07

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.30.0.64812

Reason Heuristics
PUP.Installer.Tightrope
15.1.27.6

Sophos
PUA 'DownloadAdmin' (of type Adware)
5.09

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Threat.4783369
36694

File size:
825.4 KB (845,200 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\vlcmediaplayer-setup.exe

Digital Signature
Signed by:
Zoobam

Authority:
GoDaddy.com, Inc.

Valid from:
10/15/2014 8:27:59 PM

Valid to:
10/15/2017 8:27:59 PM

Subject:
CN=Zoobam, O=Zoobam, L=Kirkland, S=Washington, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EA9D31E75E043

File PE Metadata
Compilation timestamp:
7/15/2014 10:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:sxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SO:Ap9sVuaVdvgVbmgGDijyikg5O

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4926

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file vlcmediaplayer-setup.exe has been seen being distributed by the following 3 URLs.

http://files8.downloadster.org/download/.../dl?bc=431617&pid=Bullet_CPA&brand=downloadster.org&aid=140530&s=downloadster&c=downloadster_vlc&country=US&cb=-1356885393&osName=Windows&osVersion=7&browserName=Chrome&browserVersion=39&zTmp=1

http://files8.downloadster.org/dl?bc=431617&aid=140530&brand=downloadster.org&c=downloadster_vlc

http://download-file.downloadster.org/download/155/.../

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