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installation.exe

MAXTEK LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by MAXTEK has been detected as adware by 25 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 get.down1702tech.info and multiple other hosts.
Publisher:
MAXTEK LLC  (signed and verified)

MD5:
e14012f69225c7f19dbaeeb303c62d1c

SHA-1:
f57dc85fc5d81d6945c1a87c5fa39dd0ce0591df

SHA-256:
d839b49ca9913534c91c262f6888ee049a43aa19a535f0f88a222ca10e621c10

Scanner detections:
25 / 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:
11/27/2024 9:40:25 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.AN
6735097

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.02

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.198.230

avast!
OutBrowse-BN [PUP]
150303-0

AVG
Generic
2016.0.3175

Bitdefender
MemScan:Application.Bundler.Outbrowse.AN
1.0.20.340

Comodo Security
Application.Win32.OutBrowse.MQPC
21349

Dr.Web
Trojan.OutBrowse.58
9.0.1.05190

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.AN
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BQ potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
3/9/2015

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

G Data
MemScan:Application.Bundler.Outbrowse.AN
15.3.25

herdProtect (fuzzy)
variant of unconfirmed 294593.crdownload (Adware)
2015.6.15.16

K7 AntiVirus
Trojan
13.200.15206

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

Malwarebytes
PUP.Optional.OutBrowse
v2015.03.09.01

McAfee
Adware-OutBrowse.d
5600.6831

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.AN
16.0.0.204

NANO AntiVirus
Trojan.Win32.OutBrowse.dlwssj
0.30.0.296

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.18.1

Trend Micro House Call
Suspici.202D3B0F
7.2.68

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4657539
37788

File size:
581.1 KB (595,080 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/21/2014 4:00:00 PM

Valid to:
12/22/2015 3:59:59 PM

Subject:
CN=MAXTEK LLC, O=MAXTEK LLC, L=Kiev, S=Kiev, C=UA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
058B5B9DB91E1063D1BF9AB3385D4B88

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:G4U7WDKnE9jWDrxgMB4fqj38Se1FkzlYDanAMWv5S69PLtxoG9N06:GDCDYEdWXaMBf3de3ClYDaA7vkwxaG9R

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:
7.9745

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.down1702tech.info/.../get35?p=13013&d=24749&l=24044&n=0&d1=1&s=rh-ujp1-009645005&clickid=2efa00a5-ebed-45ee-8d4d-5ad8653786c9

http://file.yourddl1000.info/.../Get?p=13013&d=24749&l=24044&n=0&d1=1&s=rh-ujp1-009645005&clickid=2efa00a5-ebed-45ee-8d4d-5ad8653786c9

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