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 30 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.down1702.info.
Publisher:
START now  (signed and verified)

MD5:
81a54dbf1f24635dfb1c27e18e03d1e3

SHA-1:
fd7f8610763930af0522801b8ee4261baa1cc525

SHA-256:
de2c475926605f8c4935f87ce6d2adcf34224dec5611ca057639aff6de83e938

Scanner detections:
30 / 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:
12/27/2024 8:31:51 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.JU
640

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.05.06

Avira AntiVirus
TR/Spy.Agent.afe
7.11.30.172

avast!
OutBrowse-FK [PUP]
2014.9-150505

AVG
Potentially harmful program Downloader
2016.0.3118

Bitdefender
MemScan:Application.Bundler.JU
1.0.20.625

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.AltBrowse.HY
22014

Dr.Web
Trojan.OutBrowse.68
9.0.1.0125

Emsisoft Anti-Malware
MemScan:Application.Bundler.JU
8.15.05.05.08

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Fortinet FortiGate
W32/Agent.BS!tr
5/5/2015

F-Secure
Riskware.MemScan:Application.Bundler.JU
11.2015-05-05_3

G Data
MemScan:Application.Bundler.JU
15.5.25

K7 AntiVirus
Unwanted-Program
13.203.15813

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
14.0.0.2086

Malwarebytes
PUP.Optional.OutBrowse
v2015.05.05.09

McAfee
Program.Adware-OutBrowse.e
5600.6774

MicroWorld eScan
MemScan:Application.Bundler.JU
16.0.0.375

NANO AntiVirus
Trojan.Win32.OutBrowse.dmjuro
0.30.24.1357

Norman
MemScan:Application.Bundler.JU
11.20150804

Quick Heal
Adware.NSIS.OutBrowse.A
5.15.14.00

Reason Heuristics
Threat.Outbrowse.Bundler
15.5.5.16

Sophos
PUA 'OutBrowse Revenyou'
5.14

Trend Micro House Call
TROJ_GE.4678174B
7.2.125

Trend Micro
TROJ_GE.4678174B
10.465.05

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
40552

File size:
582.7 KB (596,648 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:

Authority:
thawte, Inc.

Valid from:
1/10/2015 7:00:00 PM

Valid to:
12/11/2015 6:59:59 PM

Subject:
CN=START now, O=START now, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
13F235DA9F0A910A71AE486F7547520F

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:x97cW5Qcp7VtdYggr0ru4cqz/RFZveRvPwJJFHcoqUrdN:x+W55tdYB0jcqLRFFeRnwJJdTL

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:
7.9681

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.

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