Quick Answer: What Is The Most Destructive Computer Virus?

Which is the first computer virus in the world?

The first computer virus, called “Creeper system”, was an experimental self-replicating virus released in 1971.

It was filling up the hard drive until a computer could not operate any further.

This virus was created by BBN technologies in the US.

The first computer virus for MS-DOS was “Brain” and was released in 1986..

What are the top 5 computer viruses?

Top 5 Most Destructive Computer Viruses of All Time#1 ILOVEYOU. This is one of the first major, and still most damaging, computer virus ever created. … #2 Melissa. This virus was created by David L. … #3 Code Red. … #4 Sobig Worm (Sobig. … #5 Mydoom. … How can you protect yourself?

What is the most dangerous computer virus?

Here are five most dangerous computer viruses of all time:ILOVEYOU. Perhaps the most virulent computer virus ever created, the ILOVEYOU virus managed to wreck PCs all across the world. … Melissa. Melissa became the breaking news on March 26, 1999, after hitting the new age of emailing. … My Doom. … Code Red. … Sasser.

What does the I Love You virus do?

The ILOVEYOU virus comes in an e-mail note with “I LOVE YOU” in the subject line and contains an attachment that, when opened, results in the message being re-sent to everyone in the recipient’s Microsoft Outlook address book and, perhaps more seriously, the loss of every JPEG, MP3, and certain other files on the …

Was Onel de Guzman prosecuted?

The Philippines had no law covering computer hacking, so neither de Guzman nor anyone else was ever prosecuted.

How long do computer viruses last?

A test carried out on different types of ransomware revealed that 1,000 Word documents were encrypted from between 18 seconds to 16 minutes. Some viruses however may be timed to start infecting your machine several days after being downloaded. Other viruses can download in segments to try and avoid antivirus software.

What is the most powerful computer virus in the world?

ILOVEYOUILOVEYOU It is considered one of the most virulent computer viruses ever created. It was managed to wreak havoc on computer systems all over the world with around $10 billion worth of damages. 10% of the world’s computers were believed to have been infected.

Who creates viruses in computers?

Known simply as “Brain,” it was written by two brothers, Basit and Amjad Farooq Alvi, who were only 17 and 24 years old at the time. The brothers had created a heart-monitoring program, and it had come to their attention that pirates were distributing the software without the brothers’ permission.

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

What is the most costly computer virus?

MyDoomMyDoom. The most devastating computer virus to date is MyDoom, which caused over $38 billion in damages. In addition to being the most expensive virus to date, its effects were far-reaching and fast-moving.

Who made the I Love You virus?

Onel De GuzmanIt all started in the Philippines many hours earlier when 24-year-old Onel De Guzman released a virus that he had proposed creating as part of his undergraduate thesis. The key part of the virus was not any technical trick but the wording of the subject line – ILOVEYOU – and its attachment LOVE-LETTER-FOR-YOU.

What happened to the I Love You virus creator?

De Guzman insists Buen had nothing to do with Love Bug and that he was its sole creator. After a period of lying low, de Guzman returned to computer work but did not go back to college. He now runs the small booth with another member of staff. He says he regrets writing the virus, and the infamy it has brought him.

What are the 5 worst computer viruses?

The 5 Worst Computer VirusesMelissa. A macro virus named after a Miami stripper, was so effective in 1999 that the tidal wave of email traffic it generated caused the likes of Intel and Microsoft to shut down their email servers. … The Anna Kournikova Virus. … MyDoom. … Sasser & Netsky. … 2007 Storm Worm.

How dangerous is a computer virus?

Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity. Even less harmful computer viruses can significantly disrupt your system’s performance, sapping computer memory and causing frequent computer crashes.

What type of virus is the I Love You virus?

ILOVEYOU virusThe ILOVEYOU virus is a computer virus (or) worm. It’s spread through an email with a subject line that said “I love you” in 2000.