Sensitive information such as personal, family pictures and banking, is stolen while the system is encrypted and locked, in some cases ransom is demanded as a way to unlock.
Sikdar, who analysed the computers, also cautioned about the time and cost of a compromised system. 'We saw that in every step of this whole process you encounter malware,' said Biplap Sikdar, associate professor at department of electrical and computing engineering at the National University of Singapore.
Compromised personal computers performance is not only slowing the computer but stealing information and access to the system for there are malware allowing Bitcoin mining among other illegal activities, said the Microsoft executive.
