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download.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 download.exe by OUTBROWSE 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. The file has been seen being downloaded from get.file2desktop.com and multiple other hosts.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
eb1872831ab187431057e9121483e749

SHA-1:
b3016c53d62deb883a5dc6daf857ed36b4f1e027

SHA-256:
112b581b1a3bf6fc874916ac3d9b1ade78a4b53150e6809eeff371eae7bcf9bc

Scanner detections:
13 / 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:
4/18/2024 10:14:52 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.167.222

AVG
Generic
2015.0.3378

Dr.Web
Adware.Downware.6169
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AI (variant)
8.10275

G Data
Win32.Application.Outbrowse
14.8.24

K7 AntiVirus
Unwanted-Program
13.183.13086

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.494

Malwarebytes
PUP.Optional.Outbrowse
v2014.08.18.05

McAfee
Adware-OutBrowse
5600.7034

Reason Heuristics
PUP.OUTBROWSE.I
14.8.18.16

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4784459
32210

File size:
621.7 KB (636,640 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/7/2014 2:00:00 AM

Valid to:
4/8/2015 1:59:59 AM

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 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:IxhzELb2Ag+va0JpN8BAgSGEo+EKe/1HW+MhLRwbpzIwWgfc8vy4h:IxhzELb3PS0J7eAg+tPetHWhhLROpzIV

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 download.exe has been seen being distributed by the following 2 URLs.

http://get.file2desktop.com/.../Get?p=8723&d=12098&l=11517&n=1&productname=GoogleChrome&d1=103&d2=3322180&clickid=UAT_ams1COOPseG96qvcAxACGMb98u_VnIK2TyIOODguMTY1LjI0MC4xMTAoATCt4bifBQ..

https://secure-ams.adnxs.com/click?4OP3jvoRvz9nHQBiVRS4PwAAAAAAAPA_Zx0AYlUUuD_f4_eO-hG_P8a-_F3lCGxP40cs3FOvuAOtMO5TAAAAAESxMgByBwAA_AcAAAIAAAAZOAIB2vgGAAAAAQBVU0QAVVNEACwB-gDpUwAAzLcAAgUAAQIAAJIAGya90QAAAAA./cnd=!WAa2OQim04sCEJnwiAgY2vEbIAI./referrer=www.youtube.com/clickenc=http://get.file2desktop.com/.../Get?p=8723&d=12098&l=11517&n=1&productname=GoogleChrome&d1=103&d2=3322180&clickid=UAT_ams1COOPseG96qvcAxACGMb98u_VnIK2TyIOODguMTY1LjI0MC4xMTAoATCt4bifBQ..

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