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What are the most typical trojan horse?
How do virus spread out?
What are the signs of a virus?
How can I protect my computer system from infections?
How can I eliminate a bug?
A computer system virus is a type of malware that propagates by placing a copy of itself into and/or modifying other computer programs. As a result of this infection, the affected program may no longer operate effectively or might perform other unexpected actions. The term "infection" is likewise commonly utilized, although it is incorrect, to refer to other types of viruses in network security - she said, of malware, including adware and spyware programs that do not have the capability to self-replicate.
There are an estimated 1.8 million distinct viruses, Trojans, and worms presently around,1 and brand-new ones are developed every day. Some viruses are safe while others can trigger considerable damage to your system, including corrupting files, stealing personal info, and even wreaking havoc on a whole network.
The most typical virus are:
1. Boot Sector Infections
2. File-Infecting Infections
3. Macro Viruses
4. Multipartite Viruses
5. Polymorphic Infections
6. Homeowner Viruses
7. Rootkits
8. Script Infections
9. Stealth Infections
10. Worms
Boot sector infections impact the boot sector of a hard disk or types of computer viruses (browse around these guys) floppy disk. They are often spread out by floppies that have been contaminated with the virus. When the computer attempts to boot up from a contaminated floppy, the infection loads into memory and may contaminate the disk drive.
File-infecting infections attach themselves to executable files. When the contaminated file is run, the infection infects the system. File-infecting infections are frequently spread via e-mail attachments and contaminated sites.
Macro infections contaminate files that consist of macros, which are small programs that automate tasks in applications such as Microsoft Word, Excel, and PowerPoint. Macro viruses are generally spread via e-mail accessories.
Multipartite viruses infect both files and boot sectors. They are frequently spread out through email attachments and contaminated sites.
Polymorphic viruses change their look each time they contaminate a file, making them difficult to find. They are frequently spread by means of e-mail attachments and infected websites.
When they are accessed, local infections reside in memory and infect files. They are often spread out via email attachments and contaminated websites.
Rootkits are programs that take control of a system without the user's knowledge or authorization. They are typically used to offer an attacker access to a system, or to conceal the presence of other malware. Rootkits are tough to remove and identify, and are frequently spread out by means of e-mail attachments and infected sites.
Script infections are composed in scripting languages such as VBScript or JavaScript. They are typically spread out via email attachments and contaminated sites.
Stealth infections utilize strategies to avoid detection by anti-virus software application. They are frequently spread through email accessories and infected sites.
Worms are self-replicating malware that spread out by copying themselves to other computer systems on a network. They are typically spread via e-mail attachments and contaminated sites.
There are a number of manner ins which trojan horse can spread:
Email attachments: Virus-infected email accessories are a common method for infections to spread. When the attachment is opened, the virus is carried out and can spread out to other computer systems on the network.
2. Executable files: computer worm definition, browse around these guys, Virus-infected executable files can be spread out via e-mail accessories or shared network drives. When the file is performed, the infection is executed and can spread out to other computers on the network.
3. Contaminated websites: Sites that have been infected with viruses can contaminate visitors' computer systems when they search the website. The infection is carried out when the web page is loaded, and can spread to other computer systems on the network.
4. Malicious ads: Malicious advertisements, or "malvertisements," can infect a computer when they are clicked on. The infection is executed when the ad is clicked, and can infect other computers on the network.
5. Malicious code: Destructive code, or "malware," can be injected into a website or advertisement. When the code is performed, the virus is carried out and can spread out to other computers on the network.
6. Phishing e-mails: Phishing e-mails are emails that seem from a relied on source, however are in fact from an opponent. The email may consist of a link that leads to a harmful website or attachment. When the link is clicked or the accessory is opened, the virus is executed and can infect other computers on the network.
7. P2P file sharing: File sharing programs like BitTorrent can be used to spread virus-infected files. When the file is downloaded and carried out, the infection is executed and can spread to other computers on the network.
8. Removable media: Virus-infected removable media, like USB drives and CDs, can contaminate a computer system when they are inserted. The virus is executed when the media is accessed, and can infect other computer systems on the network.
An assailant might send an e-mail that appears to be from a relied on source, however consists of a harmful attachment. When the accessory is opened, the infection is executed and can spread to other computer systems on the network.
The signs of a virus can differ depending on the type of infection and the degree of the infection. Some typical signs consist of:
1. Damaged files: Virus-infected files may be corrupted and may no longer work effectively.
2. Decreased performance: A virus infection can slow down your computer system and make it difficult to utilize.
3. Disk space concerns: A virus might replicate itself and consume a considerable quantity of disk space.
4. Regular crashes: A virus-infected computer system may crash often.
5. Network issues: A virus infection can cause issues with your computer's capability to link to the network.
6. Pop-ups: Virus-infected computer systems might display unwanted pop-ups.
7. Security issues: Virus-infected computer systems may be more prone to security issues, like malware and phishing attacks.
8. Unexpected habits: Virus-infected computers might show unanticipated habits, like opening files or applications without your input.
You can protect your computer from viruses by using anti-viruses software application and keeping it updated. Antivirus software application can spot and eliminate most viruses.
You can also protect your computer system by not clicking links in email messages or Instantaneous Messenger messages from people you do not know, and by not opening email attachments from individuals you don't understand.
If your computer system is infected with an infection, you can remove it by using antivirus software. You need to also run a complete scan of your computer with an anti-virus program to make sure that the virus has actually been completely eliminated.
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