Free Anti-Malware for Windows and Linux based Servers

As we all know, the internet is open, and your server may receive malware and spyware threats at any time. Malware is malicious software built to harm or exploit your server program, service, application, or network. Therefore, it is always essential to have the best Anti-Malware installed on your server to prevent any such issues. 

What is Anti Malware?

We can say it is software that protects your server against Malware and spyware. It can be installed on a server and scan the entire server regularly. Many organizations handle it by scheduling the scanning while there is very little website traffic. Because the scanning process may slow down the server as it uses the server's resources. 

Here, we have mentioned free Anti-Malwares for the Windows-based server.

Free Anti-Malware for Windows Server 

1. Windows defender (In-built)

Windows defender or Microsoft defender is an in-build and very-effective anti-malware tool for Windows Server 2016 and Windows server 2019. Windows Defender is a real-time security agent that monitors the windows system against the changes caused by spyware. It is very easy to use as it offers GUI with Windows OS. It can protect Windows Server 2016/2019 against known malware and also update the antimalware definitions via Windows Update at regular intervals. 

Features of Windows Defender

  • Real-time protection 
  • Firewall protection and threat detection
  • Multiple security benefits: protection against viruses, Trojans, ransomware, and other malware forms
  • Easy to use GUI 
  • Keep updated with Windows updates

2. Malwarebyte

Malwarebyte is a free and effective anti-malware tool that scans the windows system and removes possible threats. You will need to start the scanning system manually in the free version of Malwarebytes. In the paid version, you can have features like schedules scan and real-time protection. If you have installed Malwarebyte, you don’t need to install any separate anti-virus tool.

Features of Malwarebytes

  • Quick and efficient scan without slowing down the entire server
  • Supported with most Windows Webserver 
  • Cleanup the entire infected server or device
  • Protects your identity and privacy from hackers
  • Easy-to-use graphic interface

3. Xvirus Anti Malware

  Xvirus is a free Anti-Malware with no ads, adware, or time limit. It can run side by side with your existing antivirus. 

Features of  Xvirus

  • Scan servers for any sign of Malware
  • Easy-to-use and lightweight software
  • Protect server with real-time monitoring
  • Xvirus Anti-Malware updates itself automatically in the background!

4. Roguekiller Anti Malware

Roguekiller also offers a free version of the Anti-Malware service. We can easily scan and remove the Malware and Spyware lying on the server. The free version provides Anti-Rootkit to detect and remove the nastiest malicious rootkits. 

Features of  Roguekiller

  • Embedded Artificial Intelligence and Cloud signatures to find out malicious software
  • Detects ad removes known and unknown malware, whether they have already been infected.
  • Real-time protection enabled.
  • Option on the dashboard to keep your version updated.

5. Gridinsoft Anti Malware

Gridinsoft Anti Malware comes with limited features in its free version. For example, it can only scan the Windows machine, and you need to remove the malicious files manually. However, it will give the notification with the path of such files and also provide the threat level of each suspicious program.

Features of Gridinsoft Anti Malware

  • Availability of Portable Trojan-killer
  • Offers different types of scans, scan logs, and other extra tools.
  • Listing of all the quarantine files that can be restored or deleted to a safe location.


Free Anti-Malware for Linux Server 

People think Linux systems can’t be infected, but it is not true. You should install Anti Malware on your Linux server without fail to prevent malicious attacks.

1 . chkrootkit

chkrootkit or Check Rootkit is a Unix-based program to check the Linux-based system for known rootkits. Rootkits are malicious programs that can compromise the root account and infect your server. It is very hard to detect and remove from the server. However, chkrootkit is the solution for such incidents. You can scan for different types of rootkits and find the logs for the deletion with chkrootkit. It will not automatically remove the infected files, but it will give you the path of the infected files so you can remove or repair them. After removing or repairing infected files, you can bring your system back to the original stats in case it is totally infected with the rootkit.

# yum update
# yum install wget gcc-c++ glibc-static
# wget -c
# tar –xf chkrootkit.tar.gz
# mkdir /usr/local/chkrootkit
# mv chkrootkit-0.xx/* /usr/local/chkrootkit
# cd /usr/local/chkrootkit
# make sense
<< output >>
# /usr/local/chkrootkit/chkrootkit

Features of chkrootkit 

  • Removes all kinds of rootkits that can compromise root account
  • It takes very less time to scan and detect and effort-consuming
  • Checks the system binaries for any rootkit modification.

2 . rkhunter

RootKit Hunter or rkhunter can detect and remove the rootkits added to compromise your root account. It provides a full log at the file /var/log/rkhunter/rkhunter.logYou can start scanning with just one command.

# yum -y install epel-release
# yum -y install rkhunter
# rkhunter -c

Features of  rkhunter

  • Flag the files that are modified deliberately or accidentally.
  • Easy to find all kinds of rootkits
  • Run Manual as well as Scheduling Automatic Scans using cron.

3. ClamAV

ClamAV is a popular and open-source antivirus/anti-malware used in website scanning, email scanning, and endpoint security. It offers a command line scanner and a tool to update the database automatically.

Here is the command to install and scan the ClamAV.

# yum -y install clamav
# freshclam
<< output >>
# clamscan -r -i /

Features of ClamAV

  • Command-line scanner with automatic update database
  • On-demand scanning option
  • Contains over 5,760,000 virus signatures

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