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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 14 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 dl1.app2desktop.com.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
3277ebcafe01292845a66dc9757ecd75

SHA-1:
02e121956a8103470e194b97e9b526fdbbdaaa2d

SHA-256:
04dc63df3fca8aab567b4368739602f2aaafa1070ba3ad7a92793bb3699b8e92

Scanner detections:
14 / 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:
4/25/2024 2:54:23 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.167.154

AVG
Generic
2015.0.3383

Dr.Web
Adware.Downware.6169
9.0.1.0226

ESET NOD32
Win32/OutBrowse.AI (variant)
8.10267

G Data
Win32.Application.Outbrowse
14.8.24

herdProtect (fuzzy)
variant of random tv channel.rar.exe (Adware)
2014.10.29.4

K7 AntiVirus
Unwanted-Program
13.183.13054

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
14.0.0.3408

Malwarebytes
PUP.Optional.Outbrowse
v2014.08.14.10

McAfee
Adware-OutBrowse
5600.6963

Reason Heuristics
PUP.OUTBROWSE.I
14.8.14.7

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4784459
32210

File size:
621.7 KB (636,576 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 5:00:00 PM

Valid to:
4/7/2015 4:59:59 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:9rhzELb2Ag+va0JpN8BAgSGEo+EKe/1HW+MhLRwbpzIwWgfc8vy4h:9rhzELb3PS0J7eAg+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 URL.

http://dl1.app2desktop.com/.../Get?p=1955&d=3100&l=2962&n=1&productname=itunes64bit&d1=11&d2=1&d3=9&d4=6&d5=00000253

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