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epsconverter_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 epsconverter_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:
a2353464c7b68ae3a4397736d91fb757

SHA-1:
51cc223323707ee17c2d2d266c095a47d823b805

SHA-256:
536b9dce560668774ff9335fa68b154791d9c58d11381e6d9b81eabc51f999f9

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:
4/26/2024 11:08:58 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.160.62

avast!
Win32:Malware-gen
2014.9-141114

AVG
Generic
2015.0.3291

ESET NOD32
Win32/OutBrowse
8.10084

G Data
Win32.Trojan.Agent.Q4C9TM
14.11.24

Malwarebytes
PUP.Optional.OutBrowse
v2014.11.14.03

McAfee
Adware-OutBrowse
5600.6947

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.28.0.60698

Reason Heuristics
PUP.Installer.Rspark.S
14.11.14.3

Sophos
Generic PUA FB
4.98

Trend Micro House Call
Suspicious_GEN.F47V0705
7.2.318

VIPRE Antivirus
OutBrowse
31196

File size:
975.9 KB (999,288 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\epsconverter_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:
0ADE80060D1D9FFF62ADB2CF331C657C

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):
24576:p8//DZ14cS67LMgy9kqsXAAT21iVfJsVE6TLx8RW:K//DZ1LS6PJyKqsXxT21iVfCVPOW

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:
7.9242

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://software-files-a.cnet.com/s/software/13/79/95/.../epsconverter_setup.exe

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