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vlc_setup.exe

VLC Media Player Installer

Downloadster

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application vlc_setup.exe, “Deploy VLC Media Player along with various offers” by Downloadster has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader installer. This version of the installer will bundle a Mindspark/MyWebSearch Toolbar, a potentially unwanted web browser extension. 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:
Downloadster  (signed and verified)

Product:
VLC Media Player Installer

Description:
Deploy VLC Media Player along with various offers

Version:
2.0.4

MD5:
fc447269b8227f27417f2a2f647f9392

SHA-1:
9e0e8dfe72219c3c026f764797e9fd58fe9d9641

SHA-256:
3d1be82746220837ef314caa4f9dd229dfe2687ba034b63b36e88c6412fb9995

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Bundles the Mindspark (MyWebSearch/Ask) toolbar, a web browser extension that will modify a user's search and home pages.

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 5:11:25 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
8.9347

herdProtect (fuzzy)
variant of winrar_setup.exe (Adware)
2014.4.5.14

Malwarebytes
PUP.Optional.BMi
v2014.02.02.03

Reason Heuristics
PUP.Installer.Downloadster.J
14.3.6.19

Trend Micro House Call
TROJ_GEN.F47V0910
7.2.33

File size:
1.3 MB (1,342,824 bytes)

Product version:
2.0.4

Copyright:
© downloadster.org

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
Downloadster

Authority:
COMODO CA Limited

Valid from:
8/13/2013 5:00:00 PM

Valid to:
8/14/2015 4:59:59 PM

Subject:
CN=Downloadster, O=Downloadster, STREET=96 Jessie st 4th floor, L=SAN FRANCISCO, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6BF02A856A1D40D914792483AF513873

File PE Metadata
Compilation timestamp:
8/27/2013 1:27:09 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:yKJpO06eDK14C2SLtgW5QCwgIImrox3k1d+EbzcguMv2+Mmar9Tb5o7m:yNtwgIImMMd+Wz20VVWTV5

Entry address:
0x1073F0

Entry point:
55, 8B, EC, 83, C4, F0, B8, 80, 56, 50, 00, E8, E4, 01, F0, FF, 8B, 0D, 9C, 15, 51, 00, 8B, 09, B2, 01, A1, F4, 48, 4C, 00, E8, C8, 8E, F5, FF, 8B, 15, 90, 16, 51, 00, 89, 02, A1, 9C, 15, 51, 00, 8B, 00, E8, CC, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, B2, 01, E8, 66, 45, F6, FF, 8B, 0D, 80, 13, 51, 00, A1, 9C, 15, 51, 00, 8B, 00, 8B, 15, 60, 8E, 4F, 00, E8, BE, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, E8, EA, 27, F6, FF, E8, 39, DB, EF, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.5511

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,074,176 bytes)

The file vlc_setup.exe has been seen being distributed by the following 8 URLs.

http://download-file.downloadster.org/download/85/.../

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6ImdiIiwibyI6IndpbjciLCJiIjoiY2gzMSIsInVfaWQiOiJkb181MmQ0NWI2MTlhMDAyNi44MDM4MzI3MS4yOGQwMWY2YTdhYmVlYjVmNzdmNmM0YWM0YWEwZjAzMiIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzODk2NDg3MzcsImt3IjoidmxjIGZvciB3aW5kb3dzIDciLCJjdSI6InZsYyBmb3Igd2luZG93cyA3IiwiY2EiOm51bGx9

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6ImluIiwibyI6IndpbjciLCJiIjoiY2gzMSIsInVfaWQiOiJkb181MmEzOGYzZWE5NDg0My4wMzM1ODg0Ni5lOWZiZGE0MjFlYWNmNzJmNmI3YzEyYzRiNjZiNzQ4OCIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzODY0NTA3NTEsImt3IjoidmxjIG1lZGlhIHBsYXllciBmcmVlIiwiY3UiOiJ2bGMgbWVkaWEgcGxheWVyIGZyZWUiLCJjYSI6bnVsbH0

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6ImluIiwibyI6IndpbjciLCJiIjoiY2gzMiIsInVfaWQiOiJkb181MmVkMjJiZTVhZGYwOC41MTExMDg2NS5mZWQ0MGUxMzAwM2E0MGE5Y2EwYzkxYmJlZGE2MDhjYyIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzOTEyNzI2MzksImt3IjoiZG93bmxvYWQgdmxjIG1lZGlhIHBsYXllciIsImN1IjoiZG93bmxvYWQgdmxjIG1lZGlhIHBsYXllciIsImNhIjpudWxsfQ

http://dl1.downloadster.org/.../vlc_setup.exe

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6InVzIiwibyI6IndpbjciLCJiIjoiY2gyOSIsInVfaWQiOiJkb181MjQ5ZThmMzg0NzhkNC4zMzY3Mjk0Mi5iNjYyYTE0MWQzMGI0ZDViYzU2MWE0OTMxMTE0NTdkMSIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzODA1NzU0NzUsImt3Ijoid2hhdCBpcyB2bGMgbWVkaWEgcGxheWVyIiwiY3UiOiJ3aGF0IGlzIHZsYyBtZWRpYSBwbGF5ZXIiLCJjYSI6bnVsbH0=

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6InVzIiwibyI6IndpbjciLCJiIjoiY2gzMiIsInVfaWQiOiJkb181MzM3MjU1MTM5ODczNS4yNDE3NjgwNy40Yzc4NTFhYTEyZjljMTYyMGFmNzFjYzYyYjJhM2JmOCIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzOTYxMjI5NjEsImt3IjoidmxjIHBsYXllciBkb3dubG9hZCIsImN1IjoidmxjIHBsYXllciBkb3dubG9hZCIsImNhIjpudWxsfQ

http://downloads.downloadster.org/download.php?id=dbabdb636b14aba457a7fd95db6a4b35e8111a87&z=2&p=eyJweSI6ImRvIiwicnMiOiJzIiwicnQiOiJvIiwiYyI6InVzIiwibyI6IndpbjciLCJiIjoiY2gzMiIsInVfaWQiOiJkb181MmVhN2Y5ZDNhMThmMC43MzYxNTMzNi4wNDkwZWQzNTgxM2Y5NjMzODcxMzNjZTU5NjgzMjMxNyIsInBhX2lkIjoiMiIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wMzc2IiwidHMiOjEzOTExMDI3MDksImt3IjoiZnJlZSB2bGMiLCJjdSI6ImZyZWUgdmxjIiwiY2EiOm51bGx9

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