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

MD5:
81c6c45f76149b0fb78773e95ca7813d

SHA-1:
7ffeda42714c0934a80e8c7c2828733e45aa8342

SHA-256:
d4864978f66113e2607b1af76bc1e4515229c0d01fe241d11ee34835012daca8

Scanner detections:
15 / 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:
11/24/2024 12:07:47 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.S
5832705

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.11.25

avast!
Adware-gen [Adw]
141119-1

AVG
Generic
2015.0.3280

Bitdefender
MemScan:Application.Bundler.Outbrowse.S
1.0.20.1640

Dr.Web
Trojan.OutBrowse.6
9.0.1.05190

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.S
9.0.0.4570

ESET NOD32
Win32/OutBrowse.BJ potentially unwanted application
7.0.302.0

F-Secure
MemScan:Application.Bundler.Outbrowse
11.2014-24-11_2

G Data
MemScan:Application.Bundler.Outbrowse
14.11.24

Malwarebytes
PUP.Optional.OutBrowse
v2014.11.24.09

McAfee
Adware-OutBrowse.c
5600.6936

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.S
15.0.0.984

Reason Heuristics
PUP.StartNow.M
14.11.24.21

VIPRE Antivirus
Threat.4823950
35088

File size:
570.8 KB (584,504 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:bym17LWc2RcCH1hk/U2gktME0rseMu6EenGqwPtzVankjg:bym17SRHLk/r1iE01MFTnG7PtZ6

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:
7.9769

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=9bc19384-ad9b-49af-8c69-45a22d03345b

http://get.default-page.com/.../Get?p=13013&d=24699&l=1103&n=0&d1=1&s=mbs-f40&clickid=9bc19384-ad9b-49af-8c69-45a22d03345b

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