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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 16 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 vdownloader.com.br and multiple other hosts. While running, it connects to the Internet address cache.google.com on port 80 using the HTTP protocol.
Publisher:
Vitzo Limited  (signed by Bonjoy Software)

Product:
VDownloader

Description:
VDownloader Setup Program

Version:
4.0

MD5:
3cfbb9728263f5830a913bb029c3c65e

SHA-1:
917549b6c17d8b572fbee648efddcf5c8beed1be

SHA-256:
e2110098a75b6b5774ac666ab1ee485a639f25aa692470afce61a768a052b976

Scanner detections:
16 / 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 1:14:29 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15426

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.OpenCandy.139
9.0.1.0116

ESET NOD32
Win32/OpenCandy.A potentially unsafe (variant)
9.11533

Fortinet FortiGate
Riskware/OpenCandy
4/26/2015

G Data
Win32.Trojan.Agent.95WKEY
15.4.25

K7 AntiVirus
Unwanted-Program
13.203.15710

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2131

McAfee
Artemis!3CFBB9728263
5600.6783

Panda Antivirus
Generic Suspicious
15.04.26.08

Reason Heuristics
Threat.Installer.BonjoySoftware
15.4.26.16

Sophos
Generic PUA JB
4.98

Trend Micro House Call
TROJ_GEN.R047H07DH15
7.2.116

VIPRE Antivirus
Opencandy
39682

Zillya! Antivirus
Downloader.Agent.Win32.248040
2.0.0.2153

File size:
1.1 MB (1,163,264 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\8612.tmp

Digital Signature
Signed by:
Bonjoy Software

Authority:
COMODO CA Limited

Valid from:
12/28/2014 10:00:00 PM

Valid to:
12/29/2015 9:59:59 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:
00CD3BC6FFAA74061B7CABDCB0D74FBB12

File PE Metadata
Compilation timestamp:
4/9/2015 6:33:03 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:kXRtpd0lpgTMCerT/5920f72oGm8OSbqqf+82c:opupgTTsT/5kAfGQSBl2c

Entry address:
0x5B154

Entry point:
E8, 76, AB, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, C4, 00, 00, 00, A1, B0, A2, 49, 00, 33, C5, 89, 45, FC, 56, 8B, 75, 08, 57, 33, FF, 89, BD, 4C, FF, FF, FF, 3B, F7, 75, 1E, E8, AE, 2B, 00, 00, 6A, 16, 5E, 57, 57, 57, 57, 57, 89, 30, E8, DC, F5, FF, FF, 83, C4, 14, 8B, C6, E9, 24, 01, 00, 00, E8, E6, 6D, 00, 00, 8D, 85, 4C, FF, FF, FF, 50, E8, DC, 6E, 00, 00, 59, 85, C0, 74, 0D, 57, 57, 57, 57, 57, E8, 8A, F4, FF, FF, 83, C4, 14, 8B, 85, 4C, FF, FF, FF, 53, 6A, 3C, 99, 59, F7, F9, 66, 89...
 
[+]

Code size:
497 KB (508,928 bytes)

The file VDownloaderSetup.exe has been seen being distributed by the following 9 URLs.

http://vdownloader.com.br/get/.../?p=button

http://dw.uptodown.com/dl/1440809668/.../vdownloader-4-0-1001-multi-win.exe

http://www.tamindir.com/indir/MjAxNS0wNi0wOSAxODowMDoxNQ==/vdownloader/.../4.0.1123.0

http://dw.uptodown.com/dl/1443056986/.../vdownloader-4-0-1001-multi-win.exe

http://r2.computerbild.de/exec/r2r.pl?m=w-cobi;u=http://d.computerbild.de/downloads/.../VDownloader4OC.exe

http://ec.ccm2.net/br.ccm.net/download/.../VDownloader4OC-4.0.991.exe

http://dw.uptodown.com/dl/1441920912/.../vdownloader-4-0-1001-multi-win.exe

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

http://getvdownloader.com/VDownloader4OC.exe

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

TCP (HTTP):
Connects to cache.google.com  (217.175.200.90:80)

TCP (HTTP):
Connects to kul06s17-in-f14.1e100.net  (172.217.24.238:80)

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