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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 17 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:
MAXTEK LLC  (signed and verified)

MD5:
db2937fcd71bcfc513c8db9e955f0e3b

SHA-1:
e8705999f2e00aa47eacdc4be4f1b19970e4b6b4

SHA-256:
779cda9706f4cc129cfd5861c91a1e3549392f0483e7fcd7e3a80d25a91eb01f

Scanner detections:
17 / 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:
4/19/2024 4:08:15 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.29

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.205.178

AVG
Generic
2016.0.3216

Comodo Security
Application.Win32.OutBrowse.MQPC
20877

Dr.Web
Trojan.OutBrowse.58
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BQ potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
1/28/2015

K7 AntiVirus
Trojan
13.193.14786

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

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.28.11

McAfee
Adware-OutBrowse.d
5600.6872

NANO AntiVirus
Trojan.Win32.OutBrowse.dlwssj
0.30.0.65070

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.18.1

Trend Micro House Call
Suspici.202D3B0F
7.2.28

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4823950
36666

File size:
581.1 KB (595,016 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:
12/22/2014 1:00:00 AM

Valid to:
12/23/2015 12:59:59 AM

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 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:77mpCW16MFOfOGlk8J3xGLCaFtWZbyBLOYlHRN01:7ypCW8MkWGmxLCaroyBLxHRQ

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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