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Setup.exe

OTOPIA Soft

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file Setup.exe by OTOPIA Soft has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. This downloadble file is typically blocked through Google's Safe Browsing technology in Chrome web browser.
Publisher:
OTOPIA Soft  (signed and verified)

MD5:
e31f0ea9de58642a7c6806773bdc770f

SHA-1:
d46d60f3afc5f2b62f921053d891c28796765258

SHA-256:
2db4c0cf913fcd933be916d2c7bcab16cd74b100940f88aa793b2d041e258a3f

Scanner detections:
8 / 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:
8/3/2025 4:29:09 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.16

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.201.142

AVG
Downloader
2016.0.3228

ESET NOD32
Win32/OutBrowse.BS potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.191.14658

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.15.06

Reason Heuristics
PUP.OTOPIASoft.CC
15.1.15.18

Trend Micro House Call
Suspici.D88B743E
7.2.15

File size:
574.4 KB (588,144 bytes)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OTOPIA Soft

Authority:
thawte, Inc.

Valid from:
1/11/2015 8:30:00 PM

Valid to:
12/17/2015 8:29:59 PM

Subject:
CN=OTOPIA Soft, O=OTOPIA Soft, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
5C6255EF06ABD52BAB899FE81CAE0E44

File PE Metadata
Compilation timestamp:
12/5/2009 7:20:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Lka9xqf+XXiv08YRjlnCjLL7J5Q4wZCkhhrcWEy5As9af1EjqvX:L5egyvnYEfJ5VwYIdEy5Vng

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:
7.9679

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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