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virtualpiano_setup.exe

Rspark LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application virtualpiano_setup.exe by Rspark has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
Rspark LLC  (signed and verified)

MD5:
fa349e90d8e890428293a862c8b70bd7

SHA-1:
c41bd4daa604fca1ac4a33a3b028efb788aa17f1

SHA-256:
ee6bc949981d041b7b2080dae7a782cf3aa9fb78fa0dec80d9cd37a1786e02cc

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/25/2024 9:46:46 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Dr.Web
Adware.Downware.3933
9.0.1.065

ESET NOD32
Win32/OutBrowse.R potentially unwanted application
9.7.0.302.0

herdProtect (fuzzy)
variant of mp3ringtonemaker_setup.exe (Adware)
2015.6.13.12

Malwarebytes
PUP.Optional.OutBrowse.A
v2015.03.06.10

NANO AntiVirus
Trojan.Win32.Generic.czvgeu
0.28.0.60100

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.6.22

VIPRE Antivirus
Threat.4784459
29800

File size:
975.5 KB (998,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/25/2013 2:00:00 AM

Valid to:
1/26/2015 2:00:00 PM

Subject:
CN=Rspark LLC, O=Rspark LLC, L=Seattle, S=Washington, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0ADE80060D1D9FFF62ADB2CF331C657C

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:JtHXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQ74BcU:rHXc3BqXp6fScKsILqlU

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9251

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file virtualpiano_setup.exe has been seen being distributed by the following URL.

http://software-files-a.cnet.com/s/software/13/72/83/.../virtualpiano_setup.exe

Remove virtualpiano_setup.exe - Powered by Reason Core Security
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