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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 26 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.
Publisher:
MAXTEK LLC  (signed and verified)

MD5:
8c0e2c0bbdaba707fa353a5677e174c0

SHA-1:
4c40fa5ae53b6269752254c60769a14e97b75d01

SHA-256:
795ee2b2a1e3c3219eb7fe8ec6b197002c36e6bba6158205b04d2486ea4b8c76

Scanner detections:
26 / 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:
5/13/2024 8:58:17 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.AN
6732101

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.03.10

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.215.110

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
9.0.1.068

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 não confirmado 622684.crdownload (Adware)
2015.6.15.16

K7 AntiVirus
Trojan
13.191.14689

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
14.0.0.2372

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
0.30.0.64448

nProtect
Trojan-Clicker/W32.WinAgir.595064
15.03.09.01

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.4823950
36666

File size:
581.1 KB (595,064 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:wmmpCW16MFOfOGlk8J3xGLCaFtWZbyBLOYlHRN0B:w9pCW8MkWGmxLCaroyBLxHR8

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 URL.

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

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