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windows-defender.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application windows-defender.exe by OUTBROWSE has been detected as adware by 24 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:
OUTBROWSE  (signed and verified)

MD5:
db82d0a911a52fcfc52fcbd0a7fbe1b6

SHA-1:
2ead3f59620149d1fdfb4f25f6f0d0137ff459c7

SHA-256:
d6ab65be2df597abe488e856b766be4658f06aafb45b2d2d9e7a53d86e8d0b86

Scanner detections:
24 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/24/2024 7:20:46 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.04.14

avast!
OutBrowse-G [PUP]
150319-1

AVG
Generic
2016.0.3140

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.AltBrowse.HY
21753

Dr.Web
Adware.Downware.2081
9.0.1.0103

ESET NOD32
Win32/OutBrowse.AE potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
4/13/2015

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

G Data
Win32.Application.OutBrowse
15.4.25

herdProtect (fuzzy)
variant of get (9) (Adware)
2015.7.15.13

K7 AntiVirus
Unwanted-Program
13.185.13965

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
14.0.0.2196

Malwarebytes
PUP.Optional.OutBrowse
v2015.04.13.05

McAfee
Adware-OutBrowse
5600.6796

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.30.10.952

Norman
Suspicious_Gen4.IEVHY
11.20150413

nProtect
Trojan-Clicker/W32.OutBrowse.635472
14.11.10.01

Reason Heuristics
PUP.Bundler.Outbrowse
15.4.13.13

Sophos
PUA 'OutBrowse Revenyou'
5.12

Trend Micro House Call
Suspici.57482F4A
7.2.196

Vba32 AntiVirus
AdWare.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4823950
38950

File size:
620.6 KB (635,488 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\windows-defender.exe

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 6:00:00 PM

Valid to:
4/7/2015 5:59:59 PM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

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

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:tdX0clFdNeED/dxR6VXluJQqYU1g5w5Thk/H5ihf8F/fc8vy4h:tdEcLdZD/908JrKw5T2cmM86

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:
7.9802

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file windows-defender.exe has been seen being distributed by the following URL.

http://get.downloaddesktop3.info/DownloadManager/Get?p=10096&d=14176&l=13577&n=1&productname=WinInstallDownloadManager&exeurl=http://.../windows-defender-1.1.1593-en.msi&dynamicname=Windows Defender&filename=windows-defender&d1=1

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