What damage can a Trojan cause?

What damage can a Trojan cause?

A virus or a Trojan may delete critical system elements, thus disabling the OS, overload the network with a DDoS attack, or otherwise negatively affect the system’s operability. Fatal problems are often caused by a bug in the virus’ code or principle of operation.

How does Trojan affect the computer?

Trojans can infect your computer and cause enormous problems before you even know what happened. Once a trojan gets onto your system, it can monitor your keyboard, install additional malware and cause a variety of other problems you simply don’t want to face.

What is the disadvantage of Trojan horse?

Disadvantages of the Trojan Horse: It can’t manifest by itself. It requires the implementation of the .exe files. It remains undetected and starts its execution when the user is doing any online transaction activity.

How does a Trojan horse infect a computer?

A common type of malware, a Trojan resembles a reputable, trusted application or file that convinces the user it is safe to download onto computers or laptops. When the user downloads and executes the malicious software onto a device, the malware contained within is activated.

What are the effects of malware?

Malware impacts your computer in the following ways:

  • Disrupts operations.
  • Steals sensitive information.
  • Allows unauthorized access to system resources.
  • Slows computer or web browser speeds.
  • Creates problems connecting to networks.
  • Results in frequent freezing or crashing.

Does Trojan slow down your computer?

If you think that having too many files and running multiple applications all the same time can slow down the computer, it’s not the only cause. A computer Trojan can also cause that slowness because it must be using many resources.

What can viruses worms and Trojan horses do to a computer?

Blaster Worm., the worm has been designed to tunnel into your system and allow malicious users to control your computer remotely. A Trojan horse is not a virus. It is a destructive program that looks as a genuine application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.

Can a Trojan make a computer slow?

How does malware infect a computer?

Malware can use known software vulnerabilities to infect your PC. A vulnerability is like a hole in your software that can give malware access to your PC. When you go to a website, it can try to use vulnerabilities in your web browser to infect your PC with malware.

Is a Trojan worse than a virus?

Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive. Trojans also open a backdoor entry to your computer which gives malicious users/programs access to your system, allowing confidential and personal information to be theft.

What are the symptoms and effects of a malware?

Symptoms of Malware

  • Your computer or web browser has dramatically slowed down over a period of a few days/a week.
  • Frequent freezing or crashing.
  • Modified or deleted files.
  • New programs or desktop icons that you do not recall installing/creating.
  • Programs running without your consent.
  • Programs closing without your consent.

Who created the Trojan horse virus?

Called ANIMAL, the first Trojan (although there is some debate as to whether this was a Trojan, or simply another virus) was developed by computer programmer John Walker in 1975, according to Fourmilab.

What is the best description of Trojan horse malware?

Answers Explanation & Hints: The best description of Trojan horse malware, and what distinguishes it from viruses and worms, is that it appears as useful software but hides malicious code. Trojan horse malware may cause annoying computer problems, but can also cause fatal problems.

Can malware affect Internet speed?

If you spend a lot of your time on the internet, visiting various websites, your PC may be vulnerable to viruses and malware. These malware can hog the bandwidth of your internet connection, slowing down your internet. Similarly, they may also slow down your web browser, making it feel like the internet is slow.

What are the harmful effects of computer virus?

Some of the examples of effects of computer virus are: it can steal data or passwords, log keystrokes, spam your email contacts, corrupt files, erase data, cause permanent damage to the hard disk, and sometimes can even take over your device control.

What malware can do?

Malware attacks can crack weak passwords, bore deep into systems, spread through networks, and disrupt the daily operations of an organization or business. Other types of malware can lock up important files, spam you with ads, slow down your computer, or redirect you to malicious websites.

How long does a Trojan Horse virus stay on a computer?

A Trojan horse virus can often remain on a device for months without the user knowing their computer has been infected. However, telltale signs of the presence of a Trojan include computer settings suddenly changing, a loss in computer performance, or unusual activity taking place.

What are the effects of a Trojan Horse on a computer?

There are a variety of effects attributed to a Trojan Horse program, none of which bode well for the recipient computer. Once it’s in your system, a popular trick of a Trojan Horse is to implement a “keylogger” program. Such programs register which buttons and keys you press on your keyboard, and send a report of them to the hacker.

What is a Trojan horse malware?

A Trojan horse is a type of malware that downloads onto a computer disguised as a legitimate program. A Trojan horse is so-called due to its delivery method, which typically sees an attacker use social engineering to hide malicious code within legitimate software.

What happens when a computer is infected with trojan malware?

A computer infected by Trojan malware can also spread it to other computers. A cyber criminal turns the device into a zombie computer, which means they have remote control of it without the user knowing. Hackers can then use the zombie computer to continue sharing malware across a network of devices, known as a botnet.