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VDownloaderSetup.exe

VDownloader

Bonjoy Software

The file VDownloaderSetup.exe, “VDownloader Setup Program” by Bonjoy Software has been detected as adware by 5 anti-malware scanners. 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from es.kioskea.net 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:
7d72f30b106dfc37946e1260492fdb09

SHA-1:
62edbd92617baa12c88d4ad3e46729e62efc1a98

SHA-256:
a290acc809cb5884256a5604c26c0ce4e30723d3d41d7b316dc0a80e32ba543e

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:
11/12/2024 7:33:54 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3338

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14129

ESET NOD32
Win32/OpenCandy (variant)
8.10621

herdProtect (fuzzy)
variant of 1a59.tmp (Adware)
2014.12.9.11

Reason Heuristics
PUP.Installer.BonjoySoftware.H
14.11.21.23

File size:
578.2 KB (592,072 bytes)

Product version:
4.0

Copyright:
Copyright © Vitzo Limited

Original file name:
VDownloaderSetup.exe

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\905c.tmp

Digital Signature
Signed by:
Bonjoy Software

Authority:
Thawte, Inc.

Valid from:
7/30/2014 9:00:00 PM

Valid to:
7/31/2015 8:59:59 PM

Subject:
CN=Bonjoy Software, O=Bonjoy Software, L=San Diego, S=California, C=US

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
616993605768D8AB0191A2C853FD1353

File PE Metadata
Compilation timestamp:
9/3/2014 6:40:07 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:GON8hl9P2PE6ruDsXirNe2AiABg9slunn6wJyZ8C:GONy9ehWYcjT6lunn6ZZ8C

Entry address:
0xFB3A0

Entry point:
60, BE, 00, 30, 48, 00, 8D, BE, 00, E0, F7, 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...
 
[+]

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

Code size:
484 KB (495,616 bytes)

The file VDownloaderSetup.exe has been seen being distributed by the following 4 URLs.

http://es.kioskea.net/download/.../download-449-

http://getvdownloader.com/VDownloader4OC.exe

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

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

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

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

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