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 14 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.org and multiple other hosts.
Publisher:
Start Now  (signed and verified)

MD5:
f91154e1e2ef5382682d60db7510e7e7

SHA-1:
1b23c792bab3fcb30809d36f5ffb39f2359084a7

SHA-256:
f432cdba7d0a73df5df4b6970b598baed0fff0d67ce55409660a9f71890e8edd

Scanner detections:
14 / 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:
11/23/2024 4:51:05 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.195.232

AVG
Potentially harmful program Downloader.CLD
2014.0.4235

Dr.Web
Trojan.OutBrowse.6
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
12/15/2014

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.187.14339

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.15.08

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

NANO AntiVirus
Trojan.Win32.OutBrowse.djogzg
0.28.6.64267

Reason Heuristics
PUP.StartNow.M
14.12.15.19

Trend Micro House Call
Suspici.92093976
7.2.349

VIPRE Antivirus
Threat.4150696
35418

File size:
566.4 KB (579,984 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 8:30:53 AM

Valid to:
10/29/2015 8:30:53 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:HDSYXMwqWGnNVJurilVGKLHwDjO5OjnB8cpI3bm9:HeiMwqRnNVpqCHV0npQi

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:
7.9682

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.org/.../get4?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=12eaac1d-3c8e-42e9-b353-378f64dbdf1f

http://get.default-page.com/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=12eaac1d-3c8e-42e9-b353-378f64dbdf1f

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