How to prevent computer viruses
Computers viruses are malicious software programs that can potentially damage or disable computers and other electronic devices. While many people use the term “virus” to refer to all types of malware, there are actually different types of malicious software with different effects.
Computers viruses are one type of malware that can potentially damage or disable computers and other electronic devices. A virus is a type of malicious code or software that is designed to replicate itself by infecting other computer programs or files. Once a virus infects a computer, it can spread to other computers by attaching itself to files that are shared or emailed.
There are many ways to prevent computer viruses. One way is to install antivirus software on your computer and keep it up-to-date. Antivirus software helps to protect your computer by identifying and removing viruses, worms, and other types of malware. Another way to prevent computer viruses is to be cautious about the emails you open and the attachments you download. Additionally, you should only download software from trusted websites.
If you think your computer may be infected with a virus, you should scan it with an antivirus program and then run a virus scan with a second program to be sure. Additionally, you can use a bootable antivirus program to scan your computer if it is having trouble starting up. If you believe your computer has been infected with a virus, you should not try to remove the virus yourself. Instead, you should contact a computer technician for help..Learn more
10 of the world’s most dangerous computer viruses
If you own a computer, there’s a good chance you’ve been infected with at least one virus. Viruses spread quickly and easily, and can do serious damage to your computer. Here are 10 of the world’s most dangerous computer viruses.
1. WannaCry
WannaCry is a ransomware virus that hit computers around the world in May 2017. The virus encrypted files on infected computers and demanded a ransom be paid in order to decrypt them. WannaCry caused massive disruption, with hospitals, businesses, and even government agencies being affected.
2. ILOVEYOU
ILOVEYOU is a virus that Spread quickly via email in 2000. The email appeared to be from a loved one, with the subject line “I love you.” When opened, the email would forward itself to everyone in the recipient’s address book. The virus caused an Estimated $5.5 billion in damages.
3. Chernobyl
Chernobyl is a virus that was released in 1998. It was one of the first viruses to be classed as a ” destructive” virus, as it was designed to delete files and damage hard drives. The virus was named after the Chernobyl nuclear disaster, and caused an Estimated $1 billion in damages.
4. Code Red
Code Red was a worm that Spread quickly in 2001. The worm exploited a vulnerability in Microsoft’s IIS web server software and gave attackers control over the infected computer. Code Red was used in a number of high-profile attacks, including one on the White House website.
5. Sasser
Sasser was a worm that Spread quickly in 2004. Like Code Red, Sasser exploited a vulnerability in Microsoft’s IIS web server software. Sasser caused widespread disruption, with many businesses and airports being forced to shut down their systems in order to remove the worm.
6. Zeus
Zeus is a virus that first surfaced in 2007. The virus is used to steal banking information by infecting computers and recording the user’s keystrokes. Zeus has been used in a number of high-profile attacks and is Estimated to have caused over $100 million in damages.
7. Conficker
Conficker is a virus that Spread quickly in 2008. The virus exploitE vulnerabilities in Windows operating systems and took advantage of weak passwords to spread itself. Conficker caused widespread disruption and is still active today, although its spread has been significantly slowed.
8. Stuxnet
Stuxnet is a virus that was designed to attack industrial control systems. The virus was first discovered in 2010 and is believed to have been created by the United States and Israel to sabotage Iran’s nuclear program. Stuxnet is considered to be the most sophisticated virus ever created and is Estimated to have caused over $1 billion in damages.
9. CryptoLocker
CryptoLocker is a ransomware virus that was first seen in 2013. The virus encrypts files on infected computers and demands a ransom be paid in order to decrypt them. CryptoLocker has caused millions of dollars in damages and is still active today.
10. WannaCry 2.0
WannaCry 2.0 is a new ransomware virus that hit computers in May 2017, just a month after the original WannaCry virus. The new virus is believed to be a re-designed version of WannaCry and is spreading quickly. WannaCry 2.0 has already caused millions of dollars in damages and is expected to cause even more.
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