What are the 3 things a virus can do once it is on your computer?
A virus can damage programs, delete files and reformat or erase your hard drive, which results in reduced performance or even crashing your system entirely. Hackers can also use viruses to access your personal information to steal or destroy your data.
What are the 2 phases on how computer virus work?
The triggering phase is designated when the virus changes from being dormant to being activated. Finally, during the execution phase, the virus gets to work.
What is the full name for malware?
“Malware” is short for “malicious software” – computer programs designed to infiltrate and damage computers without the users consent.
What is a virus CS?
A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code. If this replication succeeds, the affected areas are then said to be “infected” with a computer virus, a metaphor derived from biological viruses.
What are the 4 types of computer virus?
Types of Computer Viruses
- Direct Action Virus. When a user executes a seemingly harmless file attached with malicious code, direct action viruses deliver a payload immediately.
- Polymorphic Virus.
- File Infector Virus.
- Multipartite Virus.
- Macro Virus.
What are the 5 sources of computer virus?
Some Common Sources of Computer Virus Infection
- Downloading Programs. Programs that contains the downloadable files are the commonest source of malware such as freeware, worms, and other executable files.
- Pirated or Cracked Software.
- Email Attachments.
- Internet.
- Booting Data from Unknown CDs.
- Bluetooth.
- Unpatched Software.
What are the 3 most common types of malware?
The Most Common Types of Malware Attacks
- 1) Adware. Adware serves unwanted or malicious advertising.
- 2) Fileless Malware.
- 3) Viruses.
- 4) Worms.
- 5) Trojans.
- 6) Bots.
- 7) Ransomware.
- 8) Spyware.
What are 5 computer viruses?
Examples of Computer Virus
- Morris Worm.
- Nimda.
- ILOVEYOU.
- SQL Slammer.
- Stuxnet.
- CryptoLocker.
- Conficker.
- Tinba.
What are the 3 basic characteristics of viruses?
Characteristics
- Non living structures.
- Non-cellular.
- Contain a protein coat called the capsid.
- Have a nucleic acid core containing DNA or RNA (one or the other – not both)
- Capable of reproducing only when inside a HOST cell.
What is the meaning of ppm?
PPM may refer to any of the following: 1. Short for pages per minute, PPM is a measurement for determining how fast a printer is capable of printing.
What is ppm in ActivePerl?
Short for Perl package manager, PPM is an easy to use package manager for installing, upgrading, and removing Perl modules in ActivePerl. Was this page useful?
What is a computer virus called?
Computer Virus. A computer virus is malware attached to another program (such as a document), which can replicate and spread after an initial execution on a target system where human interaction is required. Many viruses are harmful and can destroy data, slow down system resources, and log keystrokes.
How do you differentiate computer viruses from other forms of malware?
The easiest way to differentiate computer viruses from other forms of malware is to think about viruses in biological terms. Take the flu virus, for example. The flu requires some kind of interaction between two people—like a hand shake, a kiss, or touching something an infected person touched.