What are the symptoms of a computer virus?
A computer virus is a malicious code or program that can copy itself and corrupt system files. It can spread from one computer to another and cause great damage to the affected system. The most common symptoms of a virus infection include slow performance, frequent crashes, and unusual behavior. The best way to protect your computer from viruses is to install an antivirus program and keep it updated..Click here for more
The Top 10 most dangerous computer viruses of 2020
In the year 2020, the top 10 most dangerous computer viruses are:
1. WannaCry: This ransomware attack lock files and demanded a ransom from the user to regain access. This vulnerability was discovered in 2017, but WannaCry hit hard in May of 2017 and infected more than 230,000 computers in 150 countries. This ransomware is spread through email attachments and spreading quickly through internal networks once a system is infected.
2. Petya/NotPetya: This ransomware shares many characteristics with WannaCry and was also discovered in 2017. In June of 2017, Petya struck Ukraine particularly hard, but also hit other countries including the United States, France, and Russia. This ransomware attack encrypted hard drives and demanded a ransom for the decryption key.
3. Locky: This ransomware was first discovered in 2016 and is spread through phishing emails. The email will contain an attachment with a malicious macro that, when enabled, will download and encrypt files on the victim’s computer. Locky will then demand a ransom for the decrypt key.
4. Cryptowall: This ransomware attack was first seen in 2014 and has since evolved into multiple different versions. Cryptowall is spread through email attachments, malicious websites, and drive-by downloads. This ransomware will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
5. SamSam: This ransomware is targeted attacks against entities such as hospitals, city governments, and universities. SamSam first appeared in 2015 and is believed to be the work of a single group. This ransomware is manually installed by the attacker and will encrypt files on the victim’s computer. The attacker will then demand a ransom for the decrypt key.
6. Cerber: This ransomware was first discovered in 2016 and is spread through email attachments and malicious websites. Cerber will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
7. Jaff: This ransomware was first discovered in 2017 and is spread through email attachments. Jaff will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
8. Spora: This ransomware was first discovered in 2016 and is spread through email attachments. Spora will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
9. RAA: This ransomware was first discovered in 2017 and is spread through email attachments. RAA will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
10. Bad Rabbit: This ransomware was first discovered in 2017 and is spread through malicious websites. Bad Rabbit will encrypt files on the victim’s computer and demand a ransom for the decrypt key.
We used malwarezero.org to write this article about most dangerous computer virus. Click for source.