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mkvplayer_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 mkvplayer_setup.exe by Rspark has been detected as adware by 12 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:
904abd1f60aa8e77e9f2ae5595d378a0

SHA-1:
207870b48f18d2eed9eb3d3b7432228938a03834

SHA-256:
4ee4111b62db2d6f20748c55e5354d1db382f182dd25a6b075feb9f501109a1e

Scanner detections:
12 / 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:
4/18/2024 1:37:01 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
14.07.07

avast!
Win32:Dropper-gen [Drp]
2014.9-140419

AVG
MalSign.OutBrowse
2015.0.3500

Dr.Web
Adware.Downware.2081
9.0.1.0109

ESET NOD32
Win32/OutBrowse
8.9632

G Data
Win32.Trojan.Agent.5UGBXX
14.4.24

herdProtect (fuzzy)
variant of setup.exe (Adware)
2014.7.7.23

Malwarebytes
PUP.Optional.OutBrowse
v2014.07.07.11

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.58873

Reason Heuristics
PUP.Installer.Rspark.P
14.4.19.3

Trend Micro House Call
TROJ_GEN.F47V0325
7.2.109

VIPRE Antivirus
Trojan.Win32.Generic
27988

File size:
104.5 KB (106,984 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/25/2013 8:00:00 AM

Valid to:
1/26/2015 8:00:00 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:
0976B99960384A542A28908A69282E73

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:OgXdZt9P6D3XJ5Cp5Ky/9XO3jR0eWSzUu/0Wr:Oe34+pUQ9OzRgW/cs

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:
7.6591

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://software-files-a.cnet.com/s/software/13/66/07/.../mkvplayer_setup.exe

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