Across
- 1. signature It is a technique used by antivirus programs for detecting viruses
- 2. It is the first PC virus
- 5. This virus designed in such a way that it looks like an antivirus software
- 8. It is a virus that restricts access to your computer system and demands a ransom
Down
- 1. hoax It is an e-mail message that warns users of an non-existent virus or other malware
- 3. It a virus that is placed on a computer or mobile device without user's knowledge that collects all the information
- 4. Horse It is very dangerous virus virus but comes as a friendly program
- 6. virus This virus spread by the files attached to e-mail messages
- 7. It is the destructive event the program is intended to deliver
- 9. It detects the changes that the virus causes in the computer