如何判断您的Windows计算机是否感染了病毒？严重地！您安装了防病毒软件^{(antivirus software)}，并且在使用计算机时感觉它受到了很好的保护，因此没有恶意软件。但也许，只是也许，可能有恶意软件、木马^(Trojan)或键盘记录器在您不知情的情况下在您的计算机上运行，从而危及您的安全或损坏您的数据。

怎么判断你的电脑有没有病毒

你的Windows电脑被感染了吗？学习^(Learn)识别恶意软件感染和迹象，这些症状会告诉您您的Windows PC 是否有计算机病毒。在这篇文章中，我们将看到恶意软件感染的一些症状，这些症状会告诉您您的计算机是否已被入侵或感染了计算机病毒。

阅读^(Read)：如何获得计算机病毒或恶意软件^{(How can you get a computer virus or malware)}。

恶意软件感染的症状

您的计算机可能已被入侵的典型症状是：

更改浏览器主页或默认搜索
您的网络浏览器挂起或变得缓慢
您的计算机开始运行缓慢或经常挂起
您无法打开与安全相关的站点或Microsoft.com域。
您被重定向到您不打算访问的网页
浏览器中出现意外的工具栏
安全^(Security)软件或防火墙已^(Firewall)禁用
您的安全软件发出警告，或者它的图标变成红色或其他东西。
浏览时弹出窗口^(Pop-ups)，未知或过多
系统托盘中的气球通知
CPU 或内存利用率过高
互联网^(Internet)或数据传输活动– 调制解调器^{(– Modem)}似乎正在加班
您开始看到意外的Windows错误消息
有些程序会自动启动
某些重要的Windows功能或特性被禁用。例如，任务管理器^{(Task Manager)}、注册表编辑器^{(Registry Editor)}、控制面板^{(Control Panel)}、命令提示符^{(Command Prompt)}等。
安装了新的^(New)未知软件、不需要的软件等。
您会突然在桌面上看到新图标。

如果您看到任何这些迹象，则很有可能您的计算机可能已感染了病毒或恶意软件。

从Windows Vista开始，微软^(Microsoft)在操作系统中引入了许多安全功能，这些功能在Windows 7、Windows 8.1 和Windows 10中得到了进一步改进。不过^{(Nevertheless)}，如果您的计算机感染了恶意软件，有一些方法可以消除恶意软件感染^{(remove malware infections)}^{(remove malware infections)}。

阅读下一篇^{(Read next)}：我如何知道我的电脑是否被黑客入侵^{(How do I know if my Computer has been Hacked)}。

How do you tell if your computer has a virus

Hоw do you tell if your Windows computer has a virus and infected? Ѕeriously! Yoυ have an antivirus software installed, and you go about using the computer with the feeling that it is well-protected and hence malware-free. But maybe, just maybe, there could be malware or a Trojan or a key logger operating on your computer without your knowledge and compromising your security or damaging your data.

Is your Windows computer infected? Learn to recognize malware infections and signs, symptoms that will tell you if your Windows PC has a computer virus. In this post, we will see some of the symptoms of malware infection, that will tell you if your computer was compromised or infected with a computer virus.

Read: How can you get a computer virus or malware.

Symptoms of Malware Infection

The typical symptoms that your computer may have been compromised are:

Change in your browsers home page or default search
Your web browser hangs or becomes sluggish
Your computer starts behaving sluggishly or hangs often
You are unable to open security-related sites or Microsoft.com domains.
You get re-directed to web pages you did not intend to visit
Unexpected toolbars in your browser
Security software or Firewall disabled
Your security software throws up warnings, or its icon turns red or something.
Pop-ups while browsing, unknown or excessive
Balloon Notifications from your system tray
Excessive CPU or Memory utilization
Internet or data transfer activity – Modem appears to be working overtime
You start seeing unexpected Windows error messages
Some programs start automatically
Some important Windows functions or features disabled. Eg, Task Manager, Registry Editor, Control Panel, Command Prompt, etc.
New unknown, unwanted software installed, etc.
You see new icons on your desktop suddenly.

If you see any of these signs if is quite possible that your computer may have become infected with a virus or malware.

Starting with Windows Vista, Microsoft introduced many security features in the operating system which were further improved upon in Windows 7, Windows 8.1 and Windows 10. Nevertheless, should your computer get infected with malware, there are ways to remove malware infections.

力许

About the author

我是一名专业的计算机技术人员，在该领域拥有超过 10 年的经验。我专注于 Windows 7 和 Windows 应用程序开发，以及酷网站设计。我在该领域知识渊博，经验丰富，对于任何希望发展业务的组织来说都是一笔宝贵的财富。

怎么判断你的电脑有没有病毒

怎么判断你的电脑有没有病毒

恶意软件感染的症状

How do you tell if your computer has a virus