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wordtopdf_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 wordtopdf_setup.exe by Rspark has been detected as adware by 13 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:
8f5b594cf207a694cb24956ff7c14858

SHA-1:
97bd81ad4445e1812cc79ab6df260667d3e5e70a

SHA-256:
93f59a92d6fd3059d228f72b91d6e851c5e822e809402ca0b862159c5e5f0f6c

Scanner detections:
13 / 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:
4/25/2024 3:20:16 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.167.230

AVG
Generic
2015.0.3344

Dr.Web
Trojan.Packed.28499
9.0.1.0265

ESET NOD32
Win32/OutBrowse.AI (variant)
8.10278

herdProtect (fuzzy)
variant of mkvtomp4_setup.exe (Adware)
2014.12.4.17

K7 AntiVirus
Trojan
13.183.13166

Malwarebytes
PUP.Optional.Rspark
v2014.09.22.11

McAfee
Adware-OutBrowse
5600.7000

Reason Heuristics
PUP.Installer.Rspark.P
14.9.22.11

Sophos
OutBrowse
4.98

Trend Micro House Call
Suspicious_GEN.F47V0815
7.2.265

VIPRE Antivirus
OutBrowse
32348

File size:
619.8 KB (634,720 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
COMODO CA Limited

Valid from:
2/11/2014 7:00:00 PM

Valid to:
2/12/2015 6:59:59 PM

Subject:
CN=Rspark LLC, O=Rspark LLC, STREET="2929 1st ave #405", L=Seattle, S=Washington, PostalCode=98121, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00E4DA7826149424E5DF9F3646FF2E80B9

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):
12288:dHXZpO1HiUIQ+owq2Sj2T07udsEU3VqFZvewwWgfc8vy4hl:dHXZA1HiFCsGu+Ee4FYwwA86s

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:
7.9803

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://software-files-a.cnet.com/s/software/13/80/79/.../wordtopdf_setup.exe

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