Most Dangerous Computer Viruses | Part-2

Most Dangerous Computer Viruses

Most dangerous computer viruses. In this blog post we going to see about the top 6 most dangerous viruses in the world and how they worked? And you can translate this blog into Tamil using google translator. So let's dive into the content.

Computers have made our lives more effortless than ever however computer viruses have been trouble since day one and also this post is part 2 of the world's most dangerous computer viruses the first part will be on my site. world most dangerous computer viruses part-1 On that note hey guys welcome to yet another exciting blog post by blogging tamizhan this blog post brings you the top six most dangerous computer viruses of all time so moving on here's a list of the most dangerous computer virus.

1. Mydoom Virus:

Mydoom Virus

Let's see what we have at number one we have MyDoom. Mydoom was one of the worst computer virus outbreaks in history in 2004. this malware is technically a worm spread by mass emailing it broke previous marks set by the so big worm and I love you to become the fastest spreading email worm ever email spammers appear to have hired my doom to spread spam by compromised pcs users will open an attachment named mail transaction fails that will be sent to the victim its objective was to take down popular websites like google and Lycos. MyDoom cost estimated damage of 38billion dollars in 2004 but its inflation-adjusted cost is 52.2 billion dollars by that figure my dome has taken on a life of its own infecting enough poorly protected machines to send 1.2 billion copies of itself per year 16 years after its creation MyDoom one of the most widely distributed viruses infected one out of every 12 emails at its height MyDoom hit companies like google SEO group and Microsoft with the distributed denial of service attack in 2004,16 to 25 percent of all emails had been infected by MyDoom on that note here's a question for you which is the latest deadly computer virus you have heard of do let us know in the comment section below.

2. I Love You Virus:

I Love You Virus

At number two we have the I love you virus of 2000 spread by delivering a fake love letter that appears to be a harmless text file this attacker like my doom sends copies of itself to all of the email addresses on the infected machine's contact list it had spread to over 10 million pcs within a few days after its may 4 release Arnold gusbin a college student from the Philippines invented the virus he created the wires to collect credentials to log into internet sites he wanted to utilize for free since he was shot on cash according to reports he had no clue, how far his work would travel love letter is another name for this virus.

3. Code-Red Virus:

Code-Red Virus

At number three on the list of dangerous computer viruses, we have code red was a computer worm that emerged in July 2001 and infected computers running Microsoft's IIS web server. The code red worm had been released on July 13th but on July 19, 2001another variant of the worm spread rapidly and was reported to infect over 250,000computers in just 9hours on that day the total number of infected hosts reached 359 thousand the worm defaced the affected websites to display the hacked by Chinese text string it was the first large-scale thread that could successfully target enterprise networks in august 2001 the guardian reported that the FBI had issued serious warnings to organizations asking them to safeguard themselves against this worm.

4. Crypto-Locker Virus:

Crypto-Locker Virus

At number four we have a crypto locker the cryptovirus popularly known as the crypto locker is a ransomware virus that encrypts files on a computer and demands a ransom in return for a decryption code the crypto locker malware spread between early September 2013 and late May 2014. the primary means of infection was via phishing emails with malicious attachments it was identified as a trojan virus that targeted computers running different versions of the Windows operating system once the crypto locker is launched it encrypts many files on a user's computer or hard drives servers and other storage devices throughout the organization cryptovirus attacks are rising with over 4000 attacks each day as per the u.s government estimates more than one billion dollars is paid in ransom each year.

5. Melissa Virus:

Melissa Virus

At number 5 we have melissa the melissa virus was one of the biggest and earliest cyber threats in history released in march 1999 melissa started spreading via email infecting thousands of computers within hours the virus was sent in a file called list.doc which contained passwords to censored websites. So when users downloaded the file and opened it in Microsoft word a macro inside the document was executed and emailed the list stock file to 50 people listed in the user's email alias file email servers at more than 300 companies and government agencies worldwide became overloaded and some had to be shut down entirely as per the u.s FBI report the estimated cost for cleaning and repairing affected computer systems was 18 million dollars.

6. Slammer Virus:

Slammer Virus

Finally at number 6 on the list of most dangerous computer viruses we have slammer on Saturday, January 25th, 2003 the internet was hit by a vicious computer worm known as SQL slammer it brought down most of the world's SQL servers and slowed down internet traffic bank ATMs were down slammer was 376bytes of malicious code that attempted to connect to every computer it could find over ms SQL UDP port 1434 causing heavy network traffic it is believed to have infected over 75 000 systems within 10 minutes SQL slammer was the fastest spreading computer worm in history the new york times reported that Microsoft admitted that some of its machines had gone unpatched and that its MSN internet service also had significant slowdowns due to the slammer worm.

So that brings us to the end of this blog post I hope this blog on the most dangerous computer virus was informative and helpful-thank you for reading the blog and stay tuned for more from blogging tamizhan. don't forget to check out part one of this post for extra five more viruses.

 

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