What is the problem is the computer has computer virus?
A computer virus is a type of malware (malicious software) designed to make self-replicate, i.e. to make copies of itself on any drive connected to your computer. Computer viruses are so-called because, like real viruses, they can self-replicate. Once your computer is infected with a virus, this is how it spreads.
How do I know if I have virus?
Watch out for malicious apps. One of the easiest ways to tell if your phone has a virus or other malware is by looking out for malicious apps. Downloading a malicious app is an easy way for Android malware to get on your device. Once there, it can quickly compromise your online security.
How does virus infect a computer?
A program virus becomes active when a program infected with a virus is run. Once a program virus is active, it will usually infect other programs on the computer. If a copy of an infected program is moved to and run on another computer, it can then infect programs on that computer.
What is computer virus in Short answer?
In more technical terms, a computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another. A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code.
Where did computer viruses come from?
In the early, pre-internet days, viruses often spread from computer to computer via infected floppy disks. The SCA virus, for instance, spread amongst Amiga users on disks with pirated software. It was mostly harmless, but at one point as many as 40% of Amiga users were infected. Today, viruses spread via the internet.
What is the most common way to get a virus?
5 Common Ways of Getting a Computer Virus
- Opening Links in Emails from Unknown Senders. This is probably the most effective way of disseminating malware.
- Downloading Malware from Untrustworthy Sites.
- Clicking Online Ads.
- Social Media Scams.
- Software that Hasn’t Been Patched Properly.
Who invented Trojan virus?
Called ANIMAL, the first Trojan (although there is some debate as to whether this was a Trojan, or simply another virus) was developed by computer programmer John Walker in 1975, according to Fourmilab.