Malware

Malware has been around for a long  time. You are asked to investigate a particular malware and answering  the following questions (in complete sentences) based on Internet  research:

Your malware is assigned as below: critroni  malware  

1. What is the common name and any pseudonyms or variant names? 
2. What type of malware (virus, worm, etc)? 
3. When was the malware released and, if known, by whom? 
4. How was the malware distributed? 
5. What type of computers were vulnerable (hardware, operating system, etc)? 
6. What was the vulnerability that was exploited? 
7. How extensive was the attack (location, number of computers, etc) 
8. What is zero-day attack? Was it a zero-day exploit? Why or why not? 
9. What was the motive for the virus? 
10. List some security solutions that could have taken to prevent the distribution of the malware? 

Include at least three resources (or links) as the references.