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windows-defender.exe

File

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 windows-defender.exe by StaRt NOw has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer.
Publisher:
StaRt NOw  (signed and verified)

Product:
File

Version:
1.9.3.0

MD5:
cd6f9f3aa8a52601ca0c24295b80f1f1

SHA-1:
4e5676994919925102c3f0ffa9fb2cfe11790fc4

SHA-256:
dcbcc24a8a9196f6f4d3a08f238808fca844df8bb65bcf29a56c0d54d97ba1ba

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/8/2024 6:24:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.11.9.20

File size:
1.1 MB (1,174,808 bytes)

Product version:
1.9.3.0

Copyright:
File

Original file name:
Ionic.Zip-2015May10-140713-85f48cb1-5a6e-413d-b38c-f85516cdcb99.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\windows-defender.exe

Digital Signature
Signed by:
StaRt NOw

Authority:
thawte, Inc.

Valid from:
5/3/2015 8:00:00 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:
0B46D12DB8ED844C20D66BAC7DD45E81

File PE Metadata
Compilation timestamp:
5/10/2015 10:07:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:IMiy4IadS4ms5I6e66fEheKhFsprNpW5n2cIjoLIVRubE+ZeGeDNX7N8aMMnYcQy:IbSaE4mvt/4arCn270tLZuDNXSxM

Entry address:
0x75F3E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.5897

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
464 KB (475,136 bytes)

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