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vlcmediaplayer-setup.exe

Sanflex

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 Sanflex has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. 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:
Sanflex  (signed and verified)

MD5:
093a1d7607ba8a5345c07698980ee7aa

SHA-1:
fcbed408f3a5a5c6c8285265fee4f1c47ce50a5e

SHA-256:
02c93d231b0cb497b51dc3bc85ea58e73abf9e7a326fecc578f764b96e6fe587

Scanner detections:
22 / 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:
11/27/2024 4:30:48 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.KJ
6505884

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2015.02.25

Avira AntiVirus
ADWARE/Adware.Gen
7.11.212.90

avast!
Win32:DownloadAdmin-B [PUP]
150129-1

AVG
Generic
2016.0.3188

Bitdefender
Application.Bundler.KJ
1.0.20.275

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/20104

Comodo Security
Application.Win32.DownloadAdmin.ANGL
21199

Dr.Web
Adware.Downware.2220
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.KJ
9.0.0.4799

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
7.0.302.0

F-Prot
W32/S-518b5669
v6.4.7.1.166

F-Secure
Adware:W32/WebInstallBundle
5.13.68

G Data
Application.Bundler.KJ
15.2.25

K7 AntiVirus
Unwanted-Program
13.198.15071

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.02.24.02

MicroWorld eScan
Application.Bundler.KJ
16.0.0.165

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.30.0.296

Reason Heuristics
PUP.Tightrope.Bundler
15.5.3.0

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
37588

File size:
823.3 KB (843,016 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:
Sanflex

Authority:
VeriSign, Inc.

Valid from:
7/21/2014 7:00:00 PM

Valid to:
7/21/2017 6:59:59 PM

Subject:
CN=Sanflex, O=Sanflex, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
42D7699269B5BB95341F5DA022F6E57D

File PE Metadata
Compilation timestamp:
7/15/2014 11:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:jxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SQ:dp9sVuaVdvgVbmgGDijyikg5Q

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:
7.4908

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 4 URLs.

http://files8.downloadster.org/download/.../dl?bc=431617&pid=Bullet_CPA&brand=downloadster.org&aid=52744&s=downloadster&c=downloadster_vlc&country=US&cb=703200783&zTmp=1

http://files8.downloadster.org/download/.../dl?bc=431617&pid=Bullet_CPA&brand=downloadster.org&aid=52744&s=downloadster&c=downloadster_vlc&country=US&cb=1040710962&zTmp=1

http://files8.downloadster.org/dl?bc=431617&aid=52744&brand=downloadster.org&c=downloadster_vlc

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

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