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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 3 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 software-files-a.cnet.com and multiple other hosts.
Publisher:
Vitzo Limited  (signed by Bonjoy Software)

Product:
VDownloader

Description:
VDownloader Setup Program

Version:
4.0

MD5:
bc075bf8c40a7f809964d65440e364ef

SHA-1:
e9f2cdf4c6a57450245e91e59f3e788da60d7086

SHA-256:
75e55b1b8cbc8423df9a954d299c71ab1962f3cdb73e3458e31537f0a6eb106c

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:
4/27/2024 1:01:24 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.141028

ESET NOD32
Win32/OpenCandy (variant)
8.10621

Reason Heuristics
PUP.Installer.BonjoySoftware.H
14.11.21.23

File size:
580 KB (593,888 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\1a59.tmp

Digital Signature
Signed by:
Bonjoy Software

Authority:
COMODO CA Limited

Valid from:
10/12/2014 9:00:00 PM

Valid to:
10/13/2015 8:59:59 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:
9/3/2014 6:40:07 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:OON8hl9P2PE6ruDsXirNe2AiABg9slunn6wJyZ8h:OONy9ehWYcjT6lunn6ZZ8h

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 2 URLs.

http://software-files-a.cnet.com/s/software/13/86/47/.../VDownloader4OC.exe

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

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