Security experts at Trustwave have reported the discovery of a large-scale spam campaign that is used to download ransomware onto victims' PCs under the guise of operating system updates. Windows.
Microsoft never sends emails to remind you to update. WindowsIt's clear that the new malware campaign is targeting people who don't know it.
The source says that users are being sent messages with the title “Install the latest Microsoft update” Windows right now!" or "Microsoft Critical Update Windows! The text of the letter speaks of the need to install important updates as quickly as possible. Windows, which are supposedly attached to the email. The message does contain an attached file that appears to be a JPG image, but is actually a .NET executable. If you receive a similar email, do not run this file under any circumstances, as doing so will have dire consequences.
The fact is that the file attached to the letter is Cyborg ransomware, which will encrypt all user files, block their contents and change the extension to .777. As with other ransomware, the user will be delivered a text file called Cyborg_DECRYPT.txt, which contains instructions on how to decrypt the files. It is not difficult to guess that the user is asked to pay for decryption, but there is no need to rush to do this, since there is no guarantee that this will help.
Experts recommend being careful with unknown letters that come from unfamiliar people and organizations. You should be vigilant and do not open attached files unless you are sure of their origin.
Source: 3dnews.ru
