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 12 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.default-page.com.
Publisher:
Start Now  (signed and verified)

MD5:
59ca93171c7db63f15afd0252eb8798e

SHA-1:
72eb0b9c362b0e8d3932f4313bb6aea24732516c

SHA-256:
4cff449628f5e40968cae789006d70f424786b58391ef520cc6551339afddc33

Scanner detections:
12 / 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:
4/25/2024 9:58:44 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.197.26

AVG
Potentially harmful program Downloader.CLV
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
12/22/2014

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14395

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.22.12

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

Reason Heuristics
PUP.StartNow.M
14.12.21.23

Sophos
PUA 'OutBrowse' (of type Adware)
5.09

VIPRE Antivirus
Threat.4823950
35418

File size:
558.1 KB (571,496 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\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:sxYtL+mU3eK6qYCf3cs80AuovcpHTEbS3afjNjIIh:saymcYC/B80Au0APs+c

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:
7.9671

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.default-page.com/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=35e2c89c-1498-4983-b65d-4f340c612c0b

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