Michelle Virus

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Across
  1. 2. a type of DOS attack where multiple compromised systems, which are often infected with a Trojan, are used to target a single system causing a Denial of Service (DoS) attack.
  2. 4. A malicious, self-replicating program that can spread throughout a network without human assistance.
  3. 7. Stealth viruses trick antivirus software by appearing like they are real files or programs and by intercepting its requests to the OS. Some antivirus software cannot detect them. Sometimes, it temporarily removes itself from the system without deletion.
  4. 9. From the name itself, this virus overwrites the content of a file, losing the original content. It infects folders, files, and even programs. To delete this virus, you also need to get rid of your file. Thus, it is important to back up your data.
  5. 12. A type of malware that conceals its true content to fool a user into thinking it's a harmless file.
Down
  1. 1. A piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.
  2. 3. The programs and other operating information used by a computer.
  3. 5. the fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.
  4. 6. Basically, this type of virus spreads out through Local Network Area (LAN) and through the internet. These viruses replicate through shared resources, including drives and folders. When network viruses enter a computer, they look for their potential prey. Dangerous network viruses include Nimda and SQLSlammer.
  5. 8. Resident viruses live in your RAM memory. It can interfere with normal system operation which can lead to the corruption of files and programs. The most popular examples of resident viruses are CMJ, Meve, MrKlunky, and Randex.
  6. 10. Macro viruses target applications and software that contain macros. These viruses can carry out series of operations affecting the performance of the program or software. Some examples of macro viruses are O97M/Y2K, Bablas, Melissa.A, and Relax.o
  7. 11. messages distributed by electronic means from one computer user to one or more recipients via a network