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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 5 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 ftp-stahuj.centrum.cz and multiple other hosts.
Publisher:
Vitzo Limited  (signed by Bonjoy Software)

Product:
VDownloader

Description:
VDownloader Setup Program

Version:
4.0

MD5:
b24c0e40c4199391864b33a75f3b7de7

SHA-1:
0cae46c59f4442c2fefb8aef4fcf75e2a63dd780

SHA-256:
3ca2d5d6c71ec3fd01d07bd07f90bdfd631800befef9eff478075ead3357a4d8

Scanner detections:
5 / 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:
5/5/2024 10:55:06 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3001

Dr.Web
Adware.OpenCandy.171
9.0.1.0243

ESET NOD32
Win32/OpenCandy.E potentially unsafe (variant)
9.12174

Reason Heuristics
PUP.BonjoySoftware.Installer (M)
15.8.31.7

VIPRE Antivirus
Opencandy
43324

File size:
1.1 MB (1,167,360 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\programs\vdownloader4oc.exe

Digital Signature
Signed by:
Bonjoy Software

Authority:
COMODO CA Limited

Valid from:
10/13/2014 2:00:00 AM

Valid to:
10/14/2015 1:59:59 AM

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:
00DA993C13A7FD02A727397544A565C108

File PE Metadata
Compilation timestamp:
8/10/2015 6:29:20 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:SHeAFtCmYFV4wIETwOxG20Q79oEoGm8OxVlh:7UZOVnbTwyl3R2GQxt

Entry address:
0x575B4

Entry point:
E8, 75, 98, 00, 00, E9, 79, FE, FF, FF, CC, CC, 68, 90, 71, 45, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, B8, A2, 49, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B, 4D, F0, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, 6A, 0C, 68, 10, 1A, 49, 00, E8, 9B, FF, FF, FF, 6A, 0E, E8, BC, 22, 00, 00, 59, 83, 65, FC, 00, 8B, 75, 08...
 
[+]

Code size:
500 KB (512,000 bytes)

The file vdownloader4oc.exe has been seen being distributed by the following 6 URLs.

http://ftp-stahuj.centrum.cz/dl/c72b09a7843cc2cf85d417768163463a/55ed3fa9/stahuj/download/software/secured/v/vdownloader/.../VDownloader4OC.exe

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

http://dl3.vessoft.com/files2/v/vdownloader_windows/4.1.1463/.../VDownloader4OC.exe

http://software-files-a.cnet.com/s/software/14/45/83/.../VDownloader4OC.exe

http://files.downloadnow.com/s/software/14/45/83/.../VDownloader4OC.exe

http://getvdownloader.com/VDownloader4OC.exe

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