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Backdoors

In terms of computer security, a backdoor is a hidden method to gain unauthorized access to a computer system. Questions about backdoors belong here.

678 Questions

What is multi hop?

In multi-hop wireless networks, communication between two end nodes is carried out through a number of intermediate nodes whose function is to relay information from one point to another.

What is backdoor Trojan horses?

A backdoor Trojan horse is a malicious program that allows the hacker to view everything on your computer.

What does a Trojan horse virus do?

A "trojan horse" is not a virus; it's a type of malware that may be spread like a virus.

It hides within other programs, or pretends to be a trusted program, but it is really malicious software. Like the Trojan Horse in the Iliad, it secretly does damage once you mistakenly let it into your computer system. It can be used to steal information from the computer.

Can an MP3 spread a virus to your computer?

Yes, but there have not been any reported mp3 viruses for PCs, Macs, or Linux computers. But there has been one confirmed mp3 virus that attacks ipods.

Somebody thought that files must be executable to infect a machine, but this is not accurate in my opinion. A cleverly crafted data file can take advantage of flaws in existing software to cause unexpected behavior, which may include adding, replacing or deleting files. There have been many reported vulnerabilities reported (and fixed) with the code in web browsers that displays images (jpeg, gif, etc) some of which have allowed execution of arbitrary code. There is no reason that similar vulnerabilities might exist in mp3 player software, as the link above demonstrates.]

Keeping your computer up to date with operating system fixes should help minimize the risk, which is already fairly low, as would not downloading mp3 files from unknown sources. These kind of attacks are also very specific to a particular operating system and software. Virus scanners generally don't even look in image, audio or video files, because there have been few or no examples of this sort of virus.

What causes icons to disappear from the desktop?

This is likely a fairly disharmful related problem. It can though deal with enumerable possibilities. I nearly always recommend for one to review what has recently been downloaded and verify that no unwanted changes have been made, if so it could be malware. It is probably though the effect of a secondary program such as: Multiple windows, Remote Desktop, mixed settings, etc. Largely attempts to turn off the computer may help as it removes all user activity and stops the current programs that are running. If the problem persists yet you see still no activity of malware it is possible the actual Registry has been changed for the display. If so you may respond.

What type of computer virus is Tool Security?

It is a virus claiming that it is anti-virus software. It tells you that you have lots of problems with your computer, but the number of problems is generated randomly each time. It tells you that it needs your credit card details to buy the full version and fix the problems, but don't enter the details, otherwise they will buy stuff on your card.

I don't know how the virus got on my computer in the first place, as I'm pretty sure I didn't download anything, so just be careful of what websites you're on next time.

The way I got rid of it was to do a factory reset on my computer, and I think that that fixed it, but my computer was rubbish anyway, so I bought a new one.

One piece of advice: Buy a mac!

What is the effect of a computer virus in the computer files?

Virus types vary. Most have at least one of the following goals:

1. randomly delete personal files

2. send your personal files to the virus programmer

3. destroy yous operating system

4. infiltrate (and maybe destroy) your boot sector and/ or BOIS

How to get rid of a Trojan horse on your computer?

Trojan Horses can easily be removed or disabled by scanning your system via online at www.housecall.antivirus.com (A Trend Micro website).

Make sure that Trojan horse may be an application to hack you or steal your personal information while you are working on your system. Espacially when you are over LAN.

Some of the examples are netbus pro , subseven , .....

Answer

You can get rid of the Trojan horse , by following these steps .

1 Download and intall the Malwarebytes on your computer .

2 Update your Malwarebytes .

3 Scan your computer for all the malwares in your computer .

4 Remove all the malwares , found while scanning with the malwarebytes .

5 Restart your computer .

How do you avoid catching a computer virus?

You can download antivirus software, know more about the site/file by using websites such as Virustotal, and do more research about viruses so you can spot or defend against malware easier.
You can download antivirus software, know more about the site/file by using websites such as Virustotal, and do more research about viruses so you can spot or defend against malware easier.

What does desktop mean?

It refers to computers that are stationary and not portable. AKA one that "sits on your desk" versus a laptop which can "sit on your lap" and is portable. Desktops are bigger in physical size and have multiple components to them such as a montior, keyboard, mouse, speakers, and computer tower. In a laptop, these are built into one piece.

How do you find viruses from a computer program?

A computer virus is a small program that infects a computer without the user permission. It attaches itself to other files and quickly multiplies. It is strongly recommended that you use an antivirus program on your computer and that you keep it updated. This will prevent any infection and clean your computer if it was infected previous to the install. You are infected with a virus if: * Your computer is very slow, stops responding, restarts or shuts down by itself from time to time. * Your hard disk or the removable drives (floppy drive, CD-ROM, USB Flash) are inaccesibles or the files are corrupt. * Unusual error messages appear. In case your computer got infected, try the following: * Get an antivirus program (if you don't have one already) * Update your antivirus * Scan all your computer and delete, repair or quarantine the infected files. To keep your computer virus free: * Have an antivirus program and update it from time to time (some even update automatically) * Use a firewall. * Only download files from sources you trust. * Don't open e-mail attachments, unless you know who sent it. * For more protection you can scan your computer with online scanners provided free by some of the best companies. * Run Malwarebytes Anti-Malware * Run the anti spyware removal programs spybot and Superantispyware * Run a complete scan with free curing utility Dr.Web CureIt! * Install threat fire which will enhance your anti virus protection and protect you against unknown Trojans and spyware * Then do an Online virus scan

Which one is not a malicious code viruses Trojan horses worms cookies?

Cookies are not malicious code. They are just text files that save data for the sites you use. While cookies can be used maliciously, they are not malicious in and of themselves.

What causes jack humiliation chapter 8 lord of files?

In Chapter 8 of "Lord of the Flies," Jack experiences humiliation when he fails to start a fire using Piggy's glasses and the sun's rays. This failure showcases Jack's diminishing power and leadership, as well as his inability to prioritize practical needs over his obsession with hunting and asserting dominance. The incident foreshadows Jack's descent into savagery as he becomes increasingly consumed by his desire for control and violence.

What is a tr-agent virus?

A tr-agent is a program that is supposed to scare people into buying an anti-spyware software, which is really only a malware virus that will slow down the computer. The term tr-agent is short for a trogan agent.

When you delete Trojan virus off your computer why does your computer stop working?

You computer is working furiously to get rid of the virus, but it has not stopped working. give it a while to finish and it will be okay.

How do you get rid of Babylon search virus?

Uninstall it from control panel or try revo uninstaller it will uninstall the remaining files from hard drive .Change your Home page to google or whatever you like .To change in IE click the gear icon and then internet options you will see a window where you have to change the Home page in Mozilla click on Firefox click on Options and then change the address according to your need .