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