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microsoft-excel.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 microsoft-excel.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. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
Start Now  (signed and verified)

MD5:
1c142300c7b7e3dcede14c5a44861b5a

SHA-1:
e0567e4f6c1dcad27313838bc991378e9df8a17b

SHA-256:
ca20fe713e182cf5347e2d9000f9d586c8f5eb2507ad136586bb4ee404605219

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:
4/26/2024 4:29:09 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.11.22

Avira AntiVirus
APPL/Downloader.Gen
7.11.188.28

avast!
PUP-gen [PUP]
141119-1

AVG
Generic
2015.0.3283

Dr.Web
Trojan.OutBrowse.1
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AY potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.185.14098

Malwarebytes
PUP.Optional.Outbrowse
v2014.11.21.11

McAfee
Adware-OutBrowse.b
5600.6939

Vba32 AntiVirus
Hoax.PornoAsset
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35008

File size:
559.1 KB (572,560 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\programs\microsoft-excel.exe

Digital Signature
Signed by:
Start Now

Authority:
GlobalSign nv-sa

Valid from:
10/10/2014 10:45:55 AM

Valid to:
10/11/2015 10:45:55 AM

Subject:
CN=Start Now, O=Start Now, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E62C7AAE5E56FB35260AD52F25921592

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):
12288:5+NgC50un8fesnwqZhEcH30TAEIP718Ri6oRK6OWJ:5ET8feHcX00EIRAi6oRKT6

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:
7.9729

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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