What is the difference between virus and Trojan horse?

What is the difference between virus and Trojan horse?

A Virus is a malicious executable code attached to another executable file which can be harmless or can modify or delete data. Trojan Horse is a form of malware that capture some important information about a computer system or a computer network. 2.

What is the difference between a Trojan horse and a virus quizlet?

A Trojan horse is software that performs unexpected or unauthorized, often malicious, actions. The main difference between a Trojan horse and a virus is that Trojan horses do not replicate. Trojan horses cause damage, unexpected system behavior, and compromise the security of systems.

Why are some computer viruses called Trojan horses?

Trojan malware takes its name from the classical story of the Trojan horse, because it imitates the technique to infect computers. A Trojan will hide within seemingly harmless programs, or will try to trick you into installing it. Unlike viruses, Trojans do not self-replicate by infecting other files or computers.

What is the main difference between computer worm and Trojan horse?

Difference between Worms and Trojan Horse :

WORMS	TROJAN HORSE
It doesn’t need a host to replicate from one computer to another.	It require host is needed for spreading.
It can give unauthorized access and control of the system to the hackers.	It also give unauthorized access and control of the system to the hackers.

What is difference between worm and virus?

Virus vs Worm The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.

Is a logic bomb a Trojan horse?

A logic bomb is a program normally hidden deep in the main computer and set to activate at some point in the future, destroying data. A Trojan Horse masquerades as a legitimate software program. They steal computer memory, storage, and processing time.

Is logic bomb a virus?

A Logic Bomb is a piece of often-malicious code that is intentionally inserted into software. It is activated upon the host network only when certain conditions are met. Logic bombs can also take effect on the target system upon a certain date — e.g. 2000, Y2K — and these are termed time bombs.

What is trapdoor virus?

Trap door is the new jargon for Backdoor Programs or Backdoor virus in Software field. A trap door is a secret entry point into a program that allows someone that is aware of the trap door to gain access without going through the usual security access procedures.

What is another name for logic bomb?

slag code

What can trigger a logic bomb?

A logic bomb is a malicious program that is triggered when a logical condition is met, such as after a number of transactions have been processed, or on a specific date (also called a time bomb). Malware such as worms often contain logic bombs, behaving in one manner, then changing tactics on a specific date and time.

What does rootkit mean?

Rootkits are a type of malware that are designed so that they can remain hidden on your computer. But while you might not notice them, they are active. Rootkits give cybercriminals the ability to remotely control your computer. You might also accidentally download a rootkit through an infected mobile app.

What is the purpose of spyware?

Spyware gathers your personal information and relays it to advertisers, data firms, or external users. Spyware is used for many purposes. Usually it aims to track and sell your internet usage data, capture your credit card or bank account information, or steal your personal identity.

How do hackers use spyware?

Spyware comes in all shapes and sizes. Key-logging spyware can record all your keystrokes and send this information to the hacker. This can give them access to any account that you log into and lets them track your every move on your computer. Some forms of mobile spyware can intercept your messages, calls or texts.

What are examples of spyware?

Spyware is mostly classified into four types: adware, system monitors, tracking including web tracking, and trojans; examples of other notorious types include digital rights management capabilities that “phone home”, keyloggers, rootkits, and web beacons.

How do I remove spyware?

How to remove spyware from Android

1. Download and install Avast Mobile Security. INSTALL FREE AVAST MOBILE SECURITY.
2. Run an antivirus scan to detect spyware or any other forms of malware and viruses.
3. Follow the instructions from the app to remove the spyware and any other threats that may be lurking.

How can you tell if your phone is being monitored?

It’s possible to find spy software on an Android by looking inside the files on the phone. Go to Settings – Applications – Manage Applications or Running Services, and you may be able to spot suspicious looking files.

Can someone put spyware on your phone without touching it?

Is it really possible? Can someone hack my phone without touching it? Yes, a hacker can spy on a phone without physical access to it — and it’s actually not a very complex task.

How can you tell if your computer is infected with spyware?

Warning Signs Your Computer Is Infected With Spyware

1. Your browser has been hijacked.
2. You conduct a search but another (unauthorized) browser completes it for you.
3. Your computer is unstable, sluggish, locks up, or crashes frequently.
4. You constantly get pop-up ads displayed on your screen, even if you aren’t browsing the Internet.

What are signs of spyware?

8 telltale signs your system has been infiltrated by spyware

• Rapid battery power loss. Spyware is designed to be hidden from view.
• Random reboots and shutdowns.
• Blue screen of death.
• Strange emails and text messages.
• High data traffic.
• Activity when the computer isn’t in use.
• Delayed shutdown.
• Unexpected popups with urgent messages.

How do you know if there’s a virus in your computer?

If you notice any of the following issues with your computer, it may be infected with a virus:

1. Slow computer performance (taking a long time to start up or open programs)
2. Problems shutting down or restarting.
3. Missing files.
4. Frequent system crashes and/or error messages.
5. Unexpected pop-up windows.

How do you clean viruses off your computer?

If your PC has a virus, following these ten simple steps will help you to get rid of it:

1. Step 1: Download and install a virus scanner.
2. Step 2: Disconnect from internet.
3. Step 3: Reboot your computer into safe mode.
4. Step 4: Delete any temporary files.
5. Step 5: Run a virus scan.
6. Step 6: Delete or quarantine the virus.

Can Trojan virus be removed?

How to remove a Trojan virus. It’s best to use a Trojan remover that can detect and remove any Trojans on your device. The best, free Trojan remover is included in Avast Free Antivirus. When removing Trojans manually, be sure to remove any programs from your computer that are affiliated with the Trojan.

Can you get rid of a virus in the body?

Whenever any virus invades our bodies, our immune system starts to attack it. Most of the time, our immune system is able to completely get rid of the virus. The immune system also develops a “memory” of the virus. So the next time the same virus invades our body, the immune system attack is even more effective.

Does wiping a computer get rid of viruses?

Running a factory reset, also referred to as a Windows Reset or reformat and reinstall, will destroy all data stored on the computer’s hard drive and all but the most complex viruses with it. Viruses can’t damage the computer itself and factory resets clear out where viruses hide.

Can a virus survive a format?

Re: Can any virus survive reformatting the hard drive? Yes. if the entire space of the drive is zero filled, no, it cannot survive, but if there is a partition, then, it is possible.

Can a virus permanently damage your computer?

As a computer virus is only code, it cannot physically damage computer hardware. However, it can create scenarios where hardware or equipment controlled by computers is damaged. For example, a virus may instruct your computer to turn off the cooling fans, causing your computer to overheat and damage its hardware.

Do viruses only affect the hard drive?

Less harmful computer viruses can break up your system’s performance, disrupting computer memory and causing frequent computer crash issues. So a virus may not only affect your hard drives. Don’t worry, and viruses can destroy the data stored on a hard drive, they cannot destroy the device itself.

Can a virus kill a hard drive?

A virus alone is not enough to physically break a hard drive or completely disable a hard drive to the point where it can’t be repaired. But the fact is that while viruses can destroy the data stored on a hard drive, they cannot destroy the device itself.

How do I remove a virus from my internal hard drive?

Go to Start, then select Run and type CMD, followed by the letter of the internal hard drive, e.g., G or F. Then type ”attrib g:*. */d/s-h-r-s” (after attrib the appropriate letter should be typed). The files will now be visible and shortcut viruses will be removed.

Can Ram get a virus?

The short answer is that viruses do live in RAM, but not permanently. With all that aside: viruses do live in RAM, but only when a virus-infected program is loaded into memory (from an infected file stored on your hard drive, for example) — but the virus will cease to exist inside the RAM when you power off your PC.