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.down9876group.info and multiple other hosts.
Publisher:
Start Now  (signed and verified)

MD5:
20251264109dd514eee5d43034a31214

SHA-1:
a30b15658ab1d58d86b3b8552d02acd6a2ff2f12

SHA-256:
733d1373bdb621d5d371b936e699b4da82a2dc0fb86181be5b099e29dfbae1a4

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/24/2024 1:01:06 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.199.206

avast!
OutBrowse-AJ [PUP]
150101-1

AVG
Potentially harmful program Downloader.CLV
2014.0.4253

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
1/7/2015

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.1814554

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.07.12

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

Reason Heuristics
PUP.StartNow.M
15.1.6.23

Sophos
PUA 'OutBrowse' (of type Adware)
5.09

Trend Micro House Call
Suspici.28F3E04A
7.2.7

VIPRE Antivirus
Threat.4823950
36340

File size:
558.1 KB (571,504 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:GMwYtL+mU3eK6qYCf3cs80AuovcpHTEbS3afjNjII+:GM9ymcYC/B80Au0APs+h

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 2 URLs.

http://get.down9876group.info/.../get4?p=13013&d=24699&l=24043&n=0&d1=1&s=rh-f3-usron10&clickid=19a85021-920d-4796-8db4-acb9b36606c3

http://get.default-page.com/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=rh-f3-usron10&clickid=19a85021-920d-4796-8db4-acb9b36606c3

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