best ransomware protection for windows server

BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER INSTALL
BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER ZIP FILE
BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER SOFTWARE

In this case, we’re going to setup screening on the regular file share and on a new file share that will act as a honeypot for ransomware.

In our environment, we use this to prevent users from saving executable files to their home folders.

Setting up the File ScreenįSRM has an excellent function called File Screening, whereby you can set actions to be performed when users attempt to save certain types of files to the network. If you don’t receive anything, you may need to enable unauthenticated relaying for this file server on your email system. Press Send Test E-mail and wait for it to be sent. A window appears on the ‘Email Notifications’ tab.Įnter your mail server’s fully qualified domain name (FQDN), or IP address in the first box, a semicolon-separated list of emails to receive the alerts in the 2nd, and a valid email address on your email server in the 3rd. To do this, choose ‘Configure Options’ from the right hand ‘actions’ panel. The first thing we need to do is setup the email alert system with your mail server. Once installed, launch it from the Server Manager’s Tools menu.

BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER INSTALL

If you don’t already have File Server Resource Manager installed on your file server, go ahead and install it now from Server Manager -> Add Roles and Features: We will setup FSRM to monitor the shares for suspicious activity associated with Ransomware, email designated admin addresses and then block the infected user’s access to the shares on that server. We can use File Server Resource Manager (FSRM) as a system to help prevent the already-executing malware from infecting the entire file server. This is a last attempt to stop the ransomware from encrypting everything… Using File Server Resource Manager

BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER SOFTWARE

We are also assuming that the malware has bypassed any software restriction policies, restrictions on running macros in Office polices that you might have had in place. In a real-life environment however hopefully most, if not all, of the user’s files are being stored on a file server through one means or another – be it Work Folders, Folder Redirection etc. This appears to be a variant of the ‘Teslacrypt’ malware family and proceeds to encrypt all of the user’s documents, desktop and pretty much anything else that it can touch.

BEST RANSOMWARE PROTECTION FOR WINDOWS SERVER ZIP FILE

(The JavaScript file that was in the original zip file provides a similar experience.) The Word document downloaded a base64-encoded text document, wrote it to the user’s %temp% folder, renamed it to. Just for fun, I enabled macros in an isolated network environment and monitored what happened next using Process Monitor from Sysinternals. I was surprised that the spammers are now using the latest version of Office as an excuse as to why you can’t read their (macro-enabled) document.īy the way – if you’re thinking that the image looks genuine, it’s because it is! It’s the ‘Upgrade to Windows 10’ box that pops up, just with some minor edits to the text. Attached was a zip file with 2 files inside – a Word document and a JavaScript file: Well, I received an email with the usual ‘please see attached document, or it’ll cost you lots of money’. What steps should I have been undertaking to protect my system from file-encrypting malware? Background While the FBI continues to investigate the MedStar attacks and a series of other recent ransomware attacks, I decided to describe a case from my own experience when I received an encrypted file and opened it.

Best ransomware protection for windows server