A Brief Overview of DJVU Ransomware Family

Abstract

In today's world the use of internet and computer are not just restricted to sending emails and retrieve information. Instead all large and small enterprises, health institutions, financial institutions,government officials all are shifting from offline data management to online data management.There are now various softwares for paying Income Tax return,bills,e-banking,airways and railways ticket booking,movie ticket,etc. By the substantial increase in growth of usage of cloud services,there has been exponential growth of cyber threats and cyber attacks incidents[Peter W. Singer, Allan Friedman, 2014]. Malware had been the primary tool used by the hackers to do malicious activity.The most used malware is ransomware and,in that also DJVU/STOP family viruses are the most common. These viruses will not only affect the big companies, but also small scale startups or businesses and even common people [K.A. Francis, 2019]. According to the University of Maryland,Hackers attack every 39 seconds,which results in an average of 2,244 times a day. So, considering the need of awareness, this paper has been written to give the all information about this type of ransomware.Moreover, this paper will also cover the discussion on -how virus has entered into system(that is the way/entry point), working of the virus (that is how it affects the system), processes to remove the virus correctly,various methods to recover the data and the preventive measures to avoid such virus attacks.This paper is for the people who are the the victim of such viruses or having keen interest in learning new viruses. Also, this paper motivates the readers to use this for further research.