home

pstviewer_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 pstviewer_setup.exe by Rspark has been detected as adware by 19 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:
77f65961a8c47ed5814a8e310677a853

SHA-1:
20ab12132cd72761e7d23bec0af7339e23f3b773

SHA-256:
94cbfe7b3bb63c8ec7a966e8bba06a75776b5e66e89573ebae8bb4ca13f39985

Scanner detections:
19 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 9:53:15 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
PUA/Outbrowse.Gen
3.6.1.96

avast!
PUP-gen [PUP]
150414-0

AVG
Generic
2016.0.3130

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.OutBrowse.~V
20176

Dr.Web
Adware.Downware.8744
9.0.1.0113

ESET NOD32
Win32/OutBrowse.W potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
4/23/2015

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of mp4towmv_setup.exe (Adware)
2015.7.25.1

K7 AntiVirus
Trojan
13.203.15693

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
14.0.0.2146

Malwarebytes
PUP.Optional.OutBrowse
v2015.04.23.09

McAfee
Adware-OutBrowse
5600.6786

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.28.6.63474

Reason Heuristics
PUP.Outbrowse.Bundler
15.4.23.20

Vba32 AntiVirus
AdWare.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4784459
35010

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}\appdata\local\temp\{random}.tmp\pstviewer_setup.exe

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/24/2013 6:00:00 PM

Valid to:
1/26/2015 6:00:00 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 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:ra//DZ14cS67LMgy9kqsXAAT21iVfJsVE6TLx8RA:W//DZ1LS6PJyKqsXxT21iVfCVPOA

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)

Remove pstviewer_setup.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.