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setup.exe

Best App

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 Best App has been detected as adware by 13 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. The file has been seen being downloaded from get.drop1208.info and multiple other hosts.
Publisher:
Best App  (signed and verified)

MD5:
9696939d4734166063d60d98d8622ae9

SHA-1:
639cd1a2ad97933abe5caa16a503a744e8893032

SHA-256:
b170500a4008ece565ad891c0a02723f7faa8f4bce82b3512fad8dd665cf4437

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:
12/26/2024 11:43:43 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Dropped:Application.Bundler.Outbrowse.AJ
743

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.204.142

AVG
Downloader
2016.0.3221

Bitdefender
Dropped:Application.Bundler.Outbrowse.AJ
1.0.20.110

Dr.Web
Trojan.OutBrowse.58
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BS potentially unwanted application
7.0.302.0

F-Secure
Adware.BrowseFox.BB
5.13.68

G Data
Dropped:Application.Bundler.Outbrowse.AJ
15.1.24

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.6.0

McAfee
Adware-OutBrowse.e
5600.6877

MicroWorld eScan
Dropped:Application.Bundler.Outbrowse.AJ
16.0.0.66

Reason Heuristics
PUP.Installer.Outbrowse
15.1.22.19

Trend Micro House Call
Suspici.1AC582C8
7.2.22

File size:
572.2 KB (585,904 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:
Best App

Authority:
GlobalSign nv-sa

Valid from:
1/4/2015 8:14:54 PM

Valid to:
12/6/2015 8:37:04 PM

Subject:
CN=Best App, O=Best App, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11219DD30A7C806C71D226BF23CDCBCBAB12

File PE Metadata
Compilation timestamp:
12/6/2009 9:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:+PNA5WBMX1pFYghu3fNzaj3xmtHdbHxigGdHf6n:+1byl7q31QGHJH8fJfU

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:
7.9705

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://get.drop1208.info/.../get14?p=233&d=24601&l=1694&n=0&clickid=010167905018919931912&d1=010167905&d2=-1&d3=-1&d4=-1&d5=-1&filename=setup

http://get.ddllpmedia.info/.../Get?p=233&d=24601&l=1694&n=0&clickid=010167905018919931912&d1=010167905&d2=-1&d3=-1&d4=-1&d5=-1&filename=setup

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