Issued by R13 on January 13, 2026. Valid for: 3 months (TLS 1.3)
Positive signals
Established Domain
Risk indicators
Blacklisted by Security Providers
Blacklisted
Last checked January 18, 2026 at 9:45 PM by
Gridinsoft Trust Model v2.3.4
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Av4.us is a website that is marked as 'Distributes Malware or Unwanted File Download' by Gridinsoft. It is not a legitimate site.
What is Av4?
Av4.us distributes malware that infects computers and steals personal information.
The site tricks people into downloading harmful programs by disguising them as legitimate software, games, or useful files. Once installed, this malware can steal passwords and personal data, lock files and demand ransom payments (ransomware), spy on activities and record keystrokes, damage computer systems, or use computers for illegal activities.
This site makes malicious downloads look completely safe and legitimate.
🚨
Gridinsoft blocks this website because it was classified as malware distributor.
As of January 18, 2026, Av4.us has a very low trust score of 1/100 according to our algorithm. Through the security analysis, it has been identified as a potential malware distributor. Our detection system has found multiple risk indicators, and we recommend avoiding this website.
Why is av4.us marked "Malware Distributor"?
Gridinsoft evaluates av4.us, focusing on hidden ownership details, limited website popularity, suspicious content indicators (Blacklisted by Security Providers, Blacklisted), hosting technology and infrastructure, SSL certificate status, website reputation across multiple databases. We weigh these indicators to calculate the trust score.
This domain (av4.us) is registered but currently inactive, displaying placeholder content such as advertisements or domain sale notifications. Parked domains are commonly held for future development, resale purposes, or revenue generation through advertising networks, but lack active web services or content.
Blacklisted by Security Providers
Security Alert: The website av4.us has been flagged as malicious by multiple reputable security providers. These systems have identified potential threats, including malware distribution, phishing attempts, and other harmful activities. When several security engines report such risks, it indicates a serious security concern that may compromise user data, install malware, or enable fraudulent activity. For further details, please refer to the Warning Summary section.
Established Domain
The domain has maintained active status for an extended period, indicating operational stability and established web presence. This longevity for av4.us suggests legitimate business operations and sustained user engagement over time.
Blacklisted
Gridinsoft Internet Security classified av4.us as unsafe.
Security Risk Detected
1/ 100
Malware Distributor
January 18, 2026 at 9:45 PM
Security Advisory:
This website poses potential security risks. Please exercise caution when browsing.
Domain Information
CreatedApril 24, 2015 at 9:37 AM
UpdatedMarch 25, 2025 at 3:43 AM
Domain Age
10.7 years
Registrant
Redacted for Privacy Purposes
Privacy Protected
RegistrarNAMECHEAP INC
Top Level Domain
.us
Country Code TLD
Technical Details
IP Address172.233.219.49
Hosting Provider
AS63949 Akamai Connecte...
Chicago, US
Primary Language
Security Analysis
Detection Signatures:
These signatures are used to generate the security fingerprint below.
Parked DomainBlacklisted by Security ProvidersEstablished DomainBlacklisted
Verified Services:
This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Malware distribution platforms actively deploy malicious software including viruses, trojans, ransomware, and other harmful payloads designed to compromise system integrity, steal sensitive data, or cause operational damage to target systems.
Warning Summary
This section provides a detailed breakdown of security warnings from multiple trusted sources.
We gather verdicts from a range of security providers to assess the safety of the site. If any of these sources flag the site as potentially harmful, it will be marked with a warning. Each entry includes the source and their findings, allowing you to see the different assessments. This transparency ensures you have all the information needed to evaluate the site's risk.
If no warnings are issued, the site is considered safe based on the analysis from all checked sources. For more details, please review the individual findings below.
Fortinet
Malware
Gridinsoft
Warned
BitDefender
Clean
CRDF
Clean
Google Safebrowsing
Clean
Phishing Database
Clean
Netcraft
Clean
Criminal IP
Clean
OpenPhish
Clean
ESET
Clean
CyRadar
Clean
Sophos
Clean
Av4.us blocked? Check the safety report created on January 18, 2026
How to block Av4.us?
Gridinsoft has the capability to block av4.us domain without requiring further user intervention.
Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
Click on the "Standard Scan" button.
After the scanning process is finished, click on "Clean Now" to remove any detected threats.
If prompted, restart your system to complete the removal process.
Exclusion
If you wish to visit a blocked "av4.us" and exclude it from being blocked, you can add it to the exclusions list. Here's how to do it:
Open Gridinsoft Anti-Malware;
Click the Tools tab;
Click the Ignore List;
Click the Internet vertical tab and press "Add...";
Enter "av4.us" and click Add button.
Now this domain should appear in your Ignore List.
Are You the Owner?
If you own Av4.us, we'd love to hear from you. If you'd like to challenge the trust score assigned, we're happy to take a closer look. You can write to us legal(at)gridinsoft.com. However, please be prepared to provide proof of your business's legitimacy. Introduce yourself with your real name. Please note, we never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about av4.us, the fewer chances they have to deceive someone else.Help others discover a reliable av4.us by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about av4.us, the fewer chances they have to deceive someone else. Help others discover a reliable av4.us by sharing this page on social media!