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vdownloader4oc.exe

VDownloader

Bonjoy Software

The application vdownloader4oc.exe, “VDownloader Setup Program” by Bonjoy Software has been detected as adware by 3 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from www.vdownloader.com.br and multiple other hosts. While running, it connects to the Internet address unallocated.barefruit.co.uk on port 80 using the HTTP protocol.
Publisher:
Vitzo Limited  (signed by Bonjoy Software)

Product:
VDownloader

Description:
VDownloader Setup Program

Version:
4.0

MD5:
3a11429d05201cc47aad873d9b9d33e8

SHA-1:
d38dac6901809b1f79dbd5d5b25aacaf49e214f9

SHA-256:
686a372fbbc2311515945efab429c03200e17020142bddeebd7f8148c709fdb6

Scanner detections:
3 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
12/24/2024 12:06:55 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14115

ESET NOD32
Win32/OpenCandy (variant)
8.10671

Reason Heuristics
PUP.Installer.BonjoySoftware.O
14.11.21.23

File size:
704 KB (720,896 bytes)

Product version:
4.0

Copyright:
Copyright © Vitzo Limited

Original file name:
VDownloaderSetup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\vdownloader4oc.exe

Digital Signature
Signed by:
Bonjoy Software

Authority:
COMODO CA Limited

Valid from:
10/12/2014 8:00:00 PM

Valid to:
10/13/2015 7:59:59 PM

Subject:
CN=Bonjoy Software, O=Bonjoy Software, STREET="510 Market St #301", L=San Diego, S=CA, PostalCode=92101, C=US

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

Serial number:
6ECDDFA285D63C3C12319493D3EB9C66

File PE Metadata
Compilation timestamp:
10/21/2014 7:43:21 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:qxZtQNyZPEY613NNhzSDls2wANF/wb2qDE6oFrRdFrtFw5NW7Na1ooUA:uXQNyZ8VNrpg/gER9dFrf2+g+oUA

Entry address:
0x11A790

Entry point:
60, BE, 00, C0, 47, 00, 8D, BE, 00, 50, F8, 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:
7.7553

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
636 KB (651,264 bytes)

The file vdownloader4oc.exe has been seen being distributed by the following 15 URLs.

http://www.vdownloader.com.br/.../latest

http://getvdownloader.com/VDownloaderInstallerIC.exe

http://www.vdownloader.es/.../vdownloader.zip

http://www.giftchuckleflash.com/M0hCt5aM1wziIuUYizJaqBD3rvtcSHHU8hvQQbOewVp8lEyNQeQyMfnJkkFZi72BDKdKfsNBkSD3c2ciTNSVhHkq3kM7v840AUYzq5kikp0bytYM8zoiiUgVjhi488GauebW3A6gsjVo_Cyb5Us_m6WX82l8sHl4TG8nG0TqjB6qJ9fdbLEih0LDXi7Tp8t4YLvSFdOH-G1MAAGRgnq0tCgrFPGAiBy4RNU8OaM9s zve18CfsFhXbd6LkpNofcLfJsTbL6NdN3CeARGsWAb4yzlny5a5fd5jg_QCAhOoTRFwzgC

http://getvdownloader.com/?p=FetchVideo.com

http://www.techtudo.com.br/_/software/.../download

http://gsf-cf.softonic.com/5c6/075/.../VDownloader.exe

http://getvdownloader.com/?p=button

http://getvdownloader.com/VDownloader4OC.exe

http://getvdownloader.com/?p=button?EsetProtoscanCtx=72aae28

http://getvdownloader.com/?p=Keep-Tube.com

http://getvdownloader.com/?p=button?EsetProtoscanCtx=695628

http://vdownloader.com/.../latest

http://software-files-a.cnet.com/s/software/13/94/34/.../VDownloader4OC.exe

http://vdownloader.com/download

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to unallocated.barefruit.co.uk  (92.242.142.8:80)

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