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installer_vlc_media_player_english.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 installer_vlc_media_player_english.exe by Sanflex has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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:
Sanflex  (signed and verified)

MD5:
1a0b4bc743a9894933ba482522ce1d13

SHA-1:
f449f24b86c9d2e9d3b8cb270ad770d86dcccc63

SHA-256:
928b76661f5724cb42502e49dbc8ffc71412748dc3fb17ee0cdddf88498336fa

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.

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:
4/29/2024 5:09:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Sanflex.Bundler (M)
16.4.7.19

File size:
823.3 KB (843,104 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\installer_vlc_media_player_english.exe

Digital Signature
Signed by:
Sanflex

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 8:00:00 AM

Valid to:
7/22/2017 7:59:59 AM

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:
7/16/2014 12:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:5xpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8S0:rp9sVuaVdvgVbmgGDijyikg50

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 installer_vlc_media_player_english.exe has been seen being distributed by the following URL.

http://vlc.freesoftstore.com/.../download?p=MATOMY&trckid=131745|20AWEK1HBqkqb1Lw2yDOcX1xL2k4000.&affid=680786&sdd=1&ce_cid=20AWEK1HBqkqb1Lw2yDOcX1xL2k4000.

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