home

installation.exe

Start Now

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 Start Now has been detected as adware by 26 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.down3245.info.
Publisher:
Start Now  (signed and verified)

MD5:
5b7c571ab18b127b7805bcf6a1987188

SHA-1:
2feafdaee7364926f639eec3a1230510a231e73a

SHA-256:
a2df94b674026b38c1bb82762e5d94e7cce021587b0e880114d5bfa4b3763405

Scanner detections:
26 / 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:
11/30/2024 9:01:20 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
5638886

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
PUA/Outbrowse.Gen
3.6.1.96

avast!
OutBrowse-AI [PUP]
2014.9-150416

AVG
Potentially harmful program Downloader
2016.0.3137

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.530

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.AltBrowse.HY
21790

Dr.Web
Trojan.OutBrowse.6
9.0.1.0106

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.Outbrowse
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
4/16/2015

F-Secure
Gen:Variant.Strictor.80777
5.13.68

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.4.25

herdProtect (fuzzy)
variant of não confirmado 450676.crdownload (Adware)
2015.7.18.9

K7 AntiVirus
Unwanted-Program
13.191.14625

Malwarebytes
PUP.Optional.OutBrowse
v2015.04.16.05

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.318

NANO AntiVirus
Trojan.Win32.OutBrowse.dmikik
0.30.16.1110

Quick Heal
Adware.NSIS.OutBrowse.A
4.15.14.00

Reason Heuristics
Threat.Outbrowse.Bundler
15.4.16.12

Sophos
Generic PUA MO
4.98

Trend Micro House Call
ADW_BROWSEOUT
7.2.106

Trend Micro
ADW_BROWSEOUT
10.465.16

VIPRE Antivirus
Threat.4150696
36468

File size:
567.2 KB (580,792 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:
Start Now

Authority:
Starfield Technologies, Inc.

Valid from:
10/29/2014 10:30:53 AM

Valid to:
10/29/2015 10:30:53 AM

Subject:
CN=Start Now, O=Start Now, L=DUBLIN, C=IE

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
043DD86B3DF8A0

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:lmJmgO2dzUOC2PZBqc40Gptg+4J+Qe067HS/We8BI2GN:lmJ7UOCKnJ40GptghJtKS/We0L+

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:
7.9683

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.down3245.info/.../get4?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=c80bc6c7-c6d4-4e45-aab7-5e9a84728c55

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