Ransomware is currently a major problem in computer security and everyone needs to be armed with every little bit of knowledge that may help protect themselves. This article will describe one such trick that will not stop file encrypting ransomware from infecting your computer, but will at possibly alert you that one may be installed and encrypting your data. This tip will not protect you from ransomware and only alert you off that a ransomware may be present on your computer. If a ransomware does not touch desktop.ini files or create ransom notes everywhere, this trick will not help. If you are using your computer and out of nowhere the alert alert described above appears, you should immediately look for suspicious processes.
Source: https://www.bleepingcomputer.com/news/security/a-not-so-obvious-tip-that-you-may-be-infected-with-ransomware/