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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 application setup.exe by OTOPIA Soft has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from get2.drop1702.info and multiple other hosts.
Publisher:
OTOPIA Soft  (signed and verified)

MD5:
41c26fbbec8788a7b4ce1e435e36be29

SHA-1:
141954fc28e0cb1aaf771f9aa0de3895f665354e

SHA-256:
823d6555bd90b65c45f1a6b9b612d26716d3cbd0a4fa387434fe4edff4f83086

Scanner detections:
11 / 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:
11/24/2024 12:07:16 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.JU
6357688

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.19

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.202.118

Bitdefender
MemScan:Application.Bundler.JU
1.0.20.90

Emsisoft Anti-Malware
MemScan:Application.Bundler.JU
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BS potentially unwanted application
7.0.302.0

F-Secure
Riskware.MemScan:Application.Bundler.JU
5.13.68

G Data
MemScan:Application.Bundler.JU
15.1.24

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.543

MicroWorld eScan
MemScan:Application.Bundler.JU
16.0.0.54

Reason Heuristics
PUP.Installer.OTOPIASoft
15.1.18.14

File size:
575.6 KB (589,448 bytes)

File type:
Executable application (Win32 EXE)

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 7:00:00 PM

Valid to:
12/17/2015 6:59:59 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:UQbzcVK4CPkjBYJFQ04T6sG/qA/xvyUWLS2UyqYBO:UQbzcwJPkjnlT6NqaxvyVBW

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:
7.9675

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get2.drop1702.info/.../get19?p=7302&d=24543&l=1694&n=0&clickid=2033698598&d1=16538&d2=-1&d3=-1&d4=-1&d5=-1&filename=setup

http://get1.ddlmedia.info/.../Get?p=7302&d=24543&l=1694&n=0&clickid=2033698598&d1=16538&d2=-1&d3=-1&d4=-1&d5=-1&filename=setup

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