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epubreader_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 epubreader_setup.exe by Rspark has been detected as adware by 11 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:
7308b6cf7edb75a218ba0a47d5d2bdde

SHA-1:
3c1510f09537c85273375077c7e2ed7241b73d28

SHA-256:
94b2a338bd05b6a489047679ee7b8d89a0423cd448e3ac6fdcc43c7482a4559a

Scanner detections:
11 / 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:
4/29/2024 5:53:55 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.06.23

avast!
Win32:Malware-gen
2014.9-140810

ESET NOD32
Win32/OutBrowse
8.9983

G Data
Win32.Trojan.Agent.WQFPSO
14.8.24

herdProtect (fuzzy)
variant of wordtopdf_setup.exe (Adware)
2014.10.11.17

Malwarebytes
PUP.Optional.OutBrowse
v2014.08.10.12

McAfee
Artemis!7308B6CF7EDB
5600.7043

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.Rspark.Q
14.8.10.0

Trend Micro House Call
Suspicious_GEN.F47V0625
7.2.222

VIPRE Antivirus
OutBrowse
30874

File size:
975.9 KB (999,288 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/24/2013 7:00:00 PM

Valid to:
1/26/2015 7:00:00 AM

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:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Oh//DZ14cS67LMgy9kqsXAAT21iVfJsVE6TLx8Rc:G//DZ1LS6PJyKqsXxT21iVfCVPOc

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:
7.9241

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file epubreader_setup.exe has been seen being distributed by the following 2 URLs.

http://www.mediafreeware.com/.../epubreader_setup.exe

http://software-files-a.cnet.com/s/software/13/79/93/.../epubreader_setup.exe

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