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If you notice unusual signs on your computer and suspect it may be infected, here are some ways to detect whether your device has a virus.
1. Your computer is unusually slow
A clear sign that your computer may be infected with a virus is if it's running slower than usual, even when you're not using heavy applications. If your system freezes or becomes unresponsive when opening programs or files, it could be due to the virus consuming system resources.
2. Screen or application unexpectedly closes or crashes
One of the signs to check if your computer is infected with a virus is when screens or applications suddenly close or malfunction. If you find that programs or windows fail to open or close abruptly, this could be caused by a virus. In such cases, it's important to scan your system for viruses immediately.
3. Unusual pop-up ads appear
Another indicator of a virus infection is the frequent appearance of strange pop-up ads while browsing the web, or even when you aren't using a browser. If your computer displays ads with unusual frequency, it's highly likely that your device is infected with malware. Monitoring and addressing this issue promptly is essential to protect your computer.
4. Automatically opening unfamiliar websites
A key indicator of a possible virus infection is if your browser begins to open unfamiliar websites or redirects unexpectedly while you're browsing. If this happens, your computer is likely infected with a virus. It's crucial to run a virus scan immediately.
5. Sudden hard drive space depletion
If your hard drive fills up unexpectedly without installing any new programs or applications, it could be a sign of a failing drive. However, it's also important to consider the possibility that your computer is infected with a virus. Viruses can create harmful files or hidden folders that take up significant space on your drive.
6. Files are altered or missing
A virus can delete, rename, or move your files on your computer. Therefore, if you notice that files have been changed or are missing, this could be a clear sign that your computer has been infected. If you're unsure whether your computer has been compromised, this is an effective way to detect a virus.
7. Checking installed programs and applications
Reviewing your installed programs and applications is another method to check if your computer is infected with a virus. If you suspect that your system may be compromised, examine the programs or applications that have been installed on your computer.
Nhấn chuột phải vào thanh Task Manager, và chọn Task Manager hoặc nhấn tổ hợp Ctrl + Shift + Esc. Xuất hiện Task Manager bạn kiểm tra các tiến trình đang chạy, nếu có tiến trình hay chương trình lạ không rõ nguồn gốc, đó có thể là virus.
Kiểm tra các chương trình đã cài đặt trên hệ thống bằng cách Control Panel > Programs and Features (Bảng điều khiển > Chương trình và tính năng) để xem danh sách các chương trình đã cài đặt. Nếu bạn thấy bất kỳ chương trình nào lạ hoặc không rõ nguồn gốc, có thể đó là phần mềm độc hại.
8. Sử dụng phần mềm diệt virus
Các phần mềm diệt virus sẽ giúp bạn quét và phát hiện virus, malware, hoặc phần mềm độc hại khác. Sử dụng phần mềm diệt virus cũng là một cách phát hiện máy tính có bị nhiễm Virus hay không hiệu quả. Bạn có thể lựa chọn và sử dụng một trong các phần mềm diệt virus nổi tiếng hiện nay như Windows Defender, Avast Antivirus, Malwarebytes, Bitdefender,…
9. Using online scanning tools
In addition to using antivirus applications on your computer for virus detection, you can also utilize free online scanning tools provided by some security companies to quickly check for viruses without installing any software. Some popular online scanners include: Kaspersky Online Scanner, ESET Online Scanner, Virus Total, Trend Micro HouseCall, and more.
Thus, Mytour has shared several methods for detecting whether your computer is infected with a virus. If your computer frequently exhibits certain signs mentioned above, it's highly likely that it has been infected with a virus or some form of malware. You should regularly update and use reliable antivirus software to protect your computer. We hope this article proves helpful to you.
