What Are The 3 Most Dangerous Computer Viruses? - Fixanswer

ILOVEYOU. The ILOVEYOU virus posed as a love confession. …
Code Red. Code Red targeted Microsoft IIS users and even the White House website was hit. …
Melissa. This virus started in 1999 as an infected word document. …
Storm Trojan. …
Sasser. …
My Doom. …
Zeus. …
Conficker.

What are the 3 types of computer viruses?

Macro viruses – These are the largest of the three virus types. …
Boot record infectors – These viruses are known also as boot viruses or system viruses. …
File infectors – These viruses target .

What are 4 computer viruses?

Boot sector virus. This type of virus can take control when you start — or boot — your computer. …
Web scripting virus. This type of virus exploits the code of web browsers and web pages. …
Browser hijacker. …
Resident virus. …
Direct action virus. …
Polymorphic virus. …
File infector virus. …
Multipartite virus.

What are the top 3 malware?

Ransomware. Ransomware is software that uses encryption to disable a target’s access to its data until a ransom is paid. …
Fileless Malware. …
Spyware. …
Adware. …
Trojan. …
Worms. …
Virus. …
Rootkits.

What are signs of virus in computer?

Slow computer performance

(taking a long time to start up or open programs) Problems shutting down or restarting. Missing files. Frequent system crashes and/or error messages.

Is Trojan Horse A virus?

A Trojan horse is

a type of malware that downloads onto a computer disguised as

a legitimate program. … However, unlike computer viruses or worms, a Trojan does not self-replicate, so it needs to be installed by a valid user.

What does the ILOVEYOU virus do?

The attachment in the ILOVEYOU virus is a VBScript program that recipients at the time mistook for a simple text file because the extension . vbs was hidden from view on Windows machines. When the file is opened, it

finds the recipient’s Outlook address book and re-sends the note to everyone in it

.

Who is the creator of ILOVEYOU virus?

Creation. ILOVEYOU was created by

Onel De Guzman

, a college student in Manila, Philippines, who was 24 years old at the time.

Does ILOVEYOU virus still exist?

Twenty years on, the

ILOVEYOU virus

remains one of the farthest reaching ever. Tens of millions of computers

around

the world were affected. … It also exposed vulnerabilities which we are

still

dealing with to this day, despite two decades of advances in computer security and technology.

Who made first computer virus?

The Brain Boot Sector Virus

Brain, the first PC virus, began infecting 5.2′′ floppy disks in 1986. As Securelist reports, it was the work of

two brothers, Basit and Amjad Farooq Alvi

, who ran a computer store in Pakistan.

What is first computer virus?

Following Creeper, which was isolated within the realm of researchers,

Elk Cloner

was the first virus to be detected in the wild. Written in 1982 by a 15-year-old, it was a boot sector virus that infected Apple II computers.

Is Worm A computer virus?

Worms are

a self-replicating type of malware (and a type of virus)

that enter networks by exploiting vulnerabilities, moving quickly from one computer to another. Because of this, worms can propagate themselves and spread very quickly – not only locally, but have the potential to disrupt systems worldwide.

How do I get rid of malware?

Step 1: Disconnect from the internet. …
Step 2: Enter safe mode. …
Step 3: Check your activity monitor for malicious applications. …
Step 4: Run a malware scanner. …
Step 5: Fix your web browser. …
Step 6: Clear your cache.

What is the most famous virus attacks in the world?

WannaCry, ransomware, 2017. …
Petya, ransomware, 2016. …
CryptoLocker, ransomware, 2013. …
Stuxnet, worm, 2010. …
Zeus, trojan, 2007. …
MyDoom, worm, 2004. …
ILOVEYOU, worm, 2000. …
Melissa, virus, 1999. The Melissa virus infected thousands of computers worldwide by the end of 1999.

Is malware a virus?

viruses is an important one. Malware is a

catch-all term for any type of malicious software

, regardless of how it works, its intent, or how it’s distributed. A virus is a specific type of malware that self-replicates by inserting its code into other programs.