The virus attacks insidiously, we receive ordinary looking notification that somebody marked us in the comment. After the click on the notification, we are moved to the content which "was put in Google documents ". By clicking this link we download malicious software. 

The virus works as spider web and can send malicious software on Facebook through previously  recalled marking of the friend in the comment, by sending links in the chat or publishing posts with the link on the board. 

What are we threatened with?

The virus can encrypt our files on the hard disk. After the click on such a file, we will get the message that data was encrypted, in order to regain them we have to pay "ransom" in bitcoins. 

We will find more information on Niebezpiecznik web portal.