Home News What Are The Worst Malware Attacks And How To Fix Them?

What Are The Worst Malware Attacks And How To Fix Them?



Over the past few weeks, some of our users have reported the most serious malware attacks. Date: May 12, 2017 – May 15, 2017 (Initial release …



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Virus! In the direction! Trojans! Spyware! Adware!

All these types of malware can cause serious damage to your computer. They put your files at risk, hold your documents hostage, and connect your computer to botnets that send spam to a site you know and love. Since the early days of the Internet, hackers have looked for ways to exploit its weaknesses, and Internet security services have hunted them down.

Popular Mechanics is celebrating Internet Week this week. So, we’ve compiled a list of the strangest, scariest, most widespread and costly malware attacks in history. I hope this doesn’t sound too familiar to me.

1 of 11

SQL slammer

Year: 2003

Affected computers: 75,000 in ten minutes.

Financial loss: $ 1.2 billion

Instead of taking advantage of nosy and unsuspecting email users, the SLAMMER worm targeted the bugin the code of Microsoft SQL servers and used it. It was devastating and quickly spread around the world, affecting 75,000 servers in ten minutes.

Internet speed was dropping. Internet and mobile communications in South Korea were suspended, airlines stopped processing tickets, and ATMs stopped working.

2 of 11

Lemon balm

Year: 1999

Finance Cost: $ 80 Million

The Melissa virus targeted millions of Microsoft Outlook users in an email: “This is the document you requested … … no one else will see;)”. Sounds exciting, doesn’t it? Millions of curious users have opened an email file called LIST.doc that instantly SPAM their computers with an alarming number of pop-up porn sites. Unfortunately, an email was sent to 50 of the user’s email recipients.

Although it did not damage any files, it slowed down the mail services on hundreds of thousands of computers. It is believed to be one of the first “social engineering” viruses to exploit user emotions. to cause harm.

For those of you wondering who Melissa is, the creator of the virus that named the worm after a stripper you met in Florida.

3 of 11


Year: 2000

worst malware attacks

Affected computers: 45 million in two days

Finance Cost: $ 10 Billion

The ILOVEYOU worm drove away computer users who were looking for one thing: love. Users will receive an email with a “love letter” attached. Rather than quoting Byron, Shakespeare, or Austin, The Letter, the main visual script, downloaded a program that overwrites all files, including those with .JPEG, .DOC, and .MP3 extensions. Which is worse? The malware then sent the malicious email to 50 of the user’s email addresses.

Let’s talk about “spreading love”.

4 out of 11

Storm worm

Year: 2007

Affected computers: 1.5 million computers

Financial damage: $ 10 billion

StormWorm is a form of Trojan horse attack, not a worm that sendsinjects malware onto other computers – tricking people into e-linking to an article about the storm in Europe. The hackers also attacked curious users with headlines that “US Secretary of State Condoleezza Rice has fired the German Chancellor.”

Hundreds of thousands of people clicked in the first few hours. Finds Microsoft information systems that have not been updated correctly.

5 of 11

Anna kournikova

Year: 2001

Affected computers: over 100,000

The Anna Kournikova worm was created by a 20-year-old Dutchman named Jan de Wit and tricked users into opening a photo of the famous tennis player. Besides. He was not a tennis player. It was a simple visual worm script that downloaded a file to a computer, propagated it, then spammed the user’s email address and crashed servers around the world.

De Wit felt so bad when he noticed the influence of his worm that he finally signed up. Fortunately, this worm was not destructive – just a worm that was very … into a trap.

6 of 11

Red alert

Year: 2001

Affected computers: hundreds of thousands

Financial loss: $ 2 billion

The CODE RED worm scared computer users in 2001 when it took control of millions of computers and spread across a page with screens that read: “COODE RED: WELCOME TO WORM.COM HACKED BY CHINESE.”

This was a type of computer attack known as a distributed denial of service (DDoS) attack. This meant that websites with above average traffic were sent as spam. The worm hit hundreds of thousands of cars in hours.

7 of 11

Robinn Hood

Year: 2019

Affected Computers: Baltimore City Hall Computers

Financial Loss: $ 18.2 Million

In April 2018, officials in the city of Baltimore discovered that files on their computers had been confiscated by destructive agents. The attackers sent a digital ransom note demanding three bitcoins (roughly $ 17,000) in exchange for each connected system or, if And the city prefers a flat rate of 13 bitcoins ($ 75,000) for everything. Other cities such as Greenville, North Carolina, Amarillo, Texas. Atlanta, G.A. has also faced similar attacks.

8 of 11

i could cry

Year: 2017

Affected computers: 230,000

Financial loss: $ 4 billion

In 2017, a major coordinated attack on computer systems in the United Kingdom, Spain, Russia, Ukraine, and Taiwan resulted in hostile takeover of servers in those countries. WannaCry is a ransomware virus. It takes control of the user’s computer, files, accounts – everything – and charges money to access them. British hospitals were forced to refuse patients, and the creators of WannaCry demanded a paltry $ 300 ransom from the NHS.

9 of 11


Year: 2009-2010

Affected Computers: Iranian Uranium Enrichment Plant

STUXNET was the first virus specifically designed for computers running an industrial system. This can be seen from