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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 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.
Publisher:
MAXTEK LLC  (signed and verified)

MD5:
7c6fa13783c4d3256df297f523c79769

SHA-1:
0ed512b62b3cf7cceb5ba2c1751664a0bd092355

SHA-256:
39f8811e952aa6699ab2a4e246b5b86a7da74b68956e54d782fb78819670ad38

Scanner detections:
13 / 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:
12/25/2024 4:47:51 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.08

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.200.0

AVG
Generic
2016.0.3236

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
1/7/2015

K7 AntiVirus
Trojan
13.1814571

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.07.09

McAfee
Adware-OutBrowse.d
5600.6892

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.18.1

Trend Micro House Call
Suspici.202D3B0F
7.2.7

VIPRE Antivirus
Threat.4657539
36340

File size:
581.1 KB (595,040 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 7:00:00 PM

Valid to:
12/22/2015 6:59:59 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:RPmpCW16MFOfOGlk8J3xGLCaFtWZbyBLOYlHRN05:R+pCW8MkWGmxLCaroyBLxHR4

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:
7.9746

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.down3245.net/.../get35?p=13013&d=24699&l=24043&n=0&d1=1&s=Ext-FL3&clickid=80ebe924-8c85-4bfc-b1f0-1a967dae7202

http://file.yourddl1000.info/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=Ext-FL3&clickid=80ebe924-8c85-4bfc-b1f0-1a967dae7202

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