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 23 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.fluff234.info and multiple other hosts.
Publisher:
Start Now  (signed and verified)

MD5:
2a147ff313134d1ae4e4beb40bbe0f62

SHA-1:
71698427524931b00f8648a6e130e726d16c6ae5

SHA-256:
9d93a21c5a339af75184b2e6b71b0da97c5ce7582104387704a89593d947e003

Scanner detections:
23 / 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:
11/24/2024 11:23:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6542620

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.02.27

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.212.152

avast!
OutBrowse-AX [PUP]
150101-1

AVG
Potentially harmful program Downloader.CGY
2014.0.4253

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.285

Comodo Security
Application.Win32.AltBrowse.HY
21220

Dr.Web
Trojan.OutBrowse.6
9.0.1.05190

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

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/26/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-26-02_5

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.2.25

K7 AntiVirus
Unwanted-Program
13.1915099

Malwarebytes
PUP.Optional.Outbrowse
v2015.02.26.06

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.171

NANO AntiVirus
Trojan.Win32.OutBrowse.dmikin
0.30.0.296

Reason Heuristics
PUP.Outbrowse
15.2.26.17

Sophos
Generic PUA AJ
4.98

Trend Micro House Call
Suspici.72DCD068
7.2.57

VIPRE Antivirus
Threat.4150696
37788

File size:
577.1 KB (590,920 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 11:30:53 AM

Valid to:
10/29/2015 11:30:53 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:XbQRgUSHZdffQA6vDTVlio8xd+Hd6rL1mYiQAT8q3yu7cr1Af5xTj:XbQRgh5hfQA6vllio8xd+Hd6VmYDATs0

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:
7.9691

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.fluff234.info/.../Get4?file=Get&p=13013&d=24699&l=1103&n=0&d1=1&s=mbs-f40&clickid=0379905b-21f8-43b7-938b-0d6351cd1ad9

http://get.default-page.com/.../Get?p=13013&d=24699&l=1103&n=0&d1=1&s=mbs-f40&clickid=0379905b-21f8-43b7-938b-0d6351cd1ad9

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