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Kingsoft Internet Security Antivirus Download For Windows 2021

May 17,2019 - Sophos Ltd. (Free)

187 MB (Safe & Secure)

Kingsoft Internet Security is a professional and comprehensive software suite specially designed to offer overall protection for your computer.

The application contains three components namely Kingsoft Personal Firewall, Kingsoft AntiSpyware and Kingsoft AntiVirus, thus helping you to find and remove rootkits, spyware, trojans and malware infections.

With the help of Kingsoft Internet Security you have the possibility to analyze your computer’s health index, scan critical areas, monitor all the running programs and adjust monitoring settings for Internet and LAN attacks.

Kingsoft AntiVirus provides you with real-time checking options and helps you to scan your computer so you can identify all the malware attacks, then remove the infected files. Because of its intuitive interface, you are able to configure your own settings by scanning outgoing e-mails for viruses and intercept trojans.

Although web pages can be used by hackers as a means of downloading trojans onto your computer, Kingsoft AntiVirus aims to detect malicious files and downloads while browsing the Internet and to notify you each time new vulnerabilities are met.


Another component which might come in handy for users who need to get maximum protection from their antivirus program is Kingsoft AntiSpyware.

With the help of Kingsoft AntiSpyware you have the possibility to check and stop unwanted processes, fix key items in your system and Internet Explorer, restore the original status of the system and eliminate the effects brought on by viruses and other malware, as well as to clean and free used disk space.

Although many historical records and temporary files are created when you surf the Internet, watching movies or downloading your favorite videos, these files occupy a lot of disk space and in one day, you might run out of free disk space. Hence, by using Kingsoft AntiSpyware you are able to clean media software and Windows usage history effortlessly.

In order to maximize your protection status, you can access the Kingsoft Personal Firewall, which allows you to set different security levels as conveniently. From the main window, you have the possibility to monitor all the running processes and easily open the program’s folder or remove it from the system tray menu. Its main functions cover not only Internet traffic and status monitoring, but it also provides you with the capability of intercepting trojan attacks.

Kingsoft Internet Security Download For WindowsKingsoft Internet Security Features

Multiple Protection System:

  • Kingsoft AntiVirus 9 adopts authoritative technologies, scans for viruses and Trojans and intercepts malicious actions. The all-around protection ensure your computer is secure from any potential risks.

One-to-One Security Analysis:

  • Kingsoft AntiVirus 9 scans up to 1000 critical areas of your system. With the help of authoritative technologies and many monitor centers, it can judge intelligently whether your computer is safe or not.

Proactive Scan:

  • It ensures that all of the computer viruses, Trojans, malware and some other threats be removed before they begin to attack your computer.

Integrated with Kingsoft AntiSpyware 9:

  • Kingsoft AntiVirus 9 also includes the full-functioned Kingsoft AntiSpyware 9. It works together with Kingsoft AntiVirus 9 to analyze your computer’s health index. It also provides you with a lot of convenient tools such as USB Protection Tool, Disk Cleaner, History Cleaner, LSP Repair and so on.

System Security Enhancement Plan:

  • With the ability to analyze and even handle the potential riskware and some other suspicious files, it helps you to react to the unknown riskware as early as possible and ensure your system security.

Trojan Webshield:

Vulnerability Auto-Fix:

  • It updates its virus definitions at earliest time possible to patch your system with the most current Microsoft Window Update.

Harmful Attack Protection:

  • It intercepts any known or unknown threats that may put your computer at risk.

Automatic Update:

  • It automatically renews your virus definitions everyday and defends your computer against the latest viruses and Trojans.

Full Compatibility with Windows Vista:

  • It can be completely compatible with the Vista operating system so as to provide users with all-round protection on this new operating system.

Scan for Viruses, Trojans and Malware:

  • With the help of a series of advanced technologies such as Data Stream Engine and Unpacking, it can scan and remove all of the viruses, Trojans and malware on your computer and accordingly, ensure your computer’s security.

Kingsoft Personal Firewall:

  • It allows individual users to set different security levels as they need. Its functions cover not only it is monitoring to Internet traffic, Internet status and IP rule editing, but also the capability of program network access control and Hacker and Trojan interceptions.

Network Personal Firewall:

  • Scans for hacker attacks, trojans, spyware, and some other Internet threats so as to provide overall protection for your computer. It also offers some other practical functions such as strict network-access control and harmful websites filter.

Trojan Firewall:

  • Scans for trojan processes based upon a lot of techniques. Once a trojan, hacker attack or spyware is found to be trying to access the network, the Trojan firewall will immediately block the accessing behavior of the related program and scan in the memory automatically. This feature is especially useful to prevent keyloggers stealing your personal information from your computer.

Network-accessing Control:

  • Provides you with the detailed information about your network accessing programs. You can choose to go directly to the program directory or terminate the program to prevent any malicious software attacking your computer.

Customized IP Filter:

  • If you are familiar with internet protocols, you can manage the internet or LAN data ports by yourself to prevent attacks from unknown sources.

Check the health index of your computer:

  • Checks whether your computer is secure and then gives you a full and objective evaluation.
  • Analyzes online the security of your system’s Add-Ins.
  • Recommends corresponding methods to keep your system clean. (Clean trash files and Plug-ins on your computer)

Scan for malware:

  • The enhanced engine can scan for over 600 malware, adware and spyware completely. By using the technique of Rootkits, malware disguised and protected by Rootkits can be completely cleared.
  • Scans for and uninstalls more than 200 IE plug-ins and system plug-ins.
  • Clears once and for all many suites of malware that are bound to one another and restores your system quickly.
  • Creates Trust Lists to prevent you from clearing your favorite and useful plug-ins.

Vulnerability Fix:

  • Searches Windows and software updates and fixes the corresponding vulnerabilities on your system to reduce risks.
  • Checks for Share updates and tries its best to help you not let out your personal files.

Analyze Online:

  • Repairs IE plug-ins and extended functions to make your browser faster.
  • Adjusts system Startup items to make your computer run more quickly.
  • Analyzes online the unknown items and exports analysis reports.


  • Blocks websites that have been added malicious codes by hackers to keep your browser working well.
  • Recognizes disguise techniques and is effective to capture any known and unknown vulnerabilities.


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Technical Specification

Version 2021
File Size 187 MB
Languages English
License Free Trial
Developer Sophos Ltd.


As an ending note, Kingsoft Internet Security ensures you that all the trojans, malware and some other threats will be safely removed from your system before attacking your computer, will analyze and handle all the potentially malicious software and monitor website behaviors.



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