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How to protect yourself from Malware

Reading Time: 11 mins read
in Blog

Malware, short for malicious software, is a term used to describe any software that is designed to harm or exploit a computer or device. It can come in many forms, including viruses, worms, trojans, ransomware, and spyware, and it can be spread through various methods, such as email attachments, infected websites, and malicious downloads.

 

You should worry about malware for several reasons. Firstly, malware can cause serious damage to a computer or device. It can delete files, corrupt data, and slow down or crash a system. In some cases, it can even render a device completely unusable. This can be frustrating and costly for individuals and businesses, as it can disrupt productivity and require expensive repairs or replacements.

Secondly, malware can be used to steal sensitive information, such as passwords, financial details, and personal identification. This can lead to identity theft, financial losses, and other serious consequences. Cybercriminals often use malware to target businesses in particular, as they may have access to valuable customer and employee data.

Thirdly, malware can be used to launch attacks on other systems or networks. For example, a group of infected computers could be used to launch a distributed denial of service (DDoS) attack, which floods a website or network with traffic in an attempt to disrupt or disable it. Such attacks can have far-reaching consequences and can even affect critical infrastructure, such as power grids and healthcare systems.

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  1. What are the most common types of malware?
    • Fileless Malware
    • Keylogger
    • Logic Bombs
    • Macro Virus
    • Polymorphic malware
    • Ransomware
    • Rootkit
    • Spyware
    • Stealth Virus
    • Trojan Horse
    • Virus
    • Worm

2. How can your devices get infected by malware? 

There are several ways that malware can get onto a device:

  • Downloading infected files: 
    • One way that malware can get onto a device is by downloading infected files from the internet. This can happen if you download a file from an untrusted website or if you open an attachment in an email from an unknown sender.
  • Visiting infected websites: 
    • Another way that malware can get onto your device is by visiting an infected website. If you visit a website that has been compromised by attackers, your device may become infected with malware.
  • Drive-by downloads: 
    • Attackers can also use drive-by downloads to infect a device with malware. This happens when an attacker creates a website or advertisement that automatically downloads malware onto your device when you visit the site or view the ad.
  • Social engineering: 
    • Malware can also be spread through social engineering techniques, such as phishing attacks. In a phishing attack, an attacker might send you an email or message that appears to be from a legitimate source, asking you to click on a link or download a file. If you click on the link or download the file, you could unknowingly install malware on your device.
  • Physical access: 
    • If someone has physical access to your device, they may be able to install malware on it directly. For example, if you leave your device unlocked and unattended, someone could install malware on it without your knowledge.

3. How to avoid malware? 

  • Keep your operating system and antivirus software up to date: 
    • Make sure you are using the latest version of your operating system and that you have an up-to-date antivirus program installed. These updates often include patches for security vulnerabilities that could be exploited by malware.
  • Be cautious when downloading files: 
    • Only download files from reputable sources. Avoid opening email attachments or clicking on links from unknown sources.
  • Use a firewall: 
    • A firewall can help block malware from accessing your device by blocking incoming connections from the internet.
  • Use caution when using public WiFi: 
    • Public WiFi networks are more vulnerable to attacks, so be careful when using them. Avoid accessing sensitive information (such as banking websites) when using public WiFi.
  • Enable browser security features: 
    • Many web browsers offer security features such as pop-up blockers and anti-phishing filters that can help protect you from malware.
  • Use caution when installing software: 
    • Be careful when installing software, especially if you are downloading it from the internet. Be sure to read reviews and research the software before installing it to make sure it is legitimate.
  • Use strong, unique passwords: 
    • Use strong, unique passwords for each of your accounts and enable two-factor authentication when available. This can help prevent malware from accessing your accounts even if it obtains your password.

[slideshare id=254993194&doc=windowsmalicioussoftwareremovaltoolmsrt-221222183912-a21e84ae]

4. How to remove malware?

To remove malware from your device, you can try the following steps:

  • Run a malware scanner: 
    • Use a reputable malware scanner to detect and remove any malicious software on your device. There are many malware scanners available, both free and paid, that can help you identify and remove malware.
  • Use a bootable antivirus tool: 
    • If the malware is preventing your device from starting up properly, you can use a bootable antivirus tool to scan and remove the malware. A bootable antivirus tool is an antivirus program that you can run from a CD, DVD, or USB drive before the operating system starts up.
  • Manually remove malware: 
    • If you are comfortable working with your device’s operating system, you can try to manually remove the malware. This can be a challenging and time-consuming process, and it is important to be careful not to delete any important system files.
  • Factory reset your device: 
    • If you are unable to remove the malware using the above methods, you may need to factory reset your device. A factory reset will erase all of the data on your device and restore it to its original state, which should remove any malware that was installed.

It is important to note that simply removing the malware from your device may not be enough to protect you from future attacks. To keep your device secure, it is also important to keep your operating system and antivirus software up to date and to be cautious when downloading files and visiting websites.

5. How to get help if your devices are infected by malware?

  • Contact the manufacturer of your device. If it’s covered by a warranty, you may be able to get free tech support — otherwise you may need to pay to get help. Before seeking help, write down the model and serial number of your device, and the name of any software you’ve installed.
  • When reaching out for help, remember to look out for tech support scammers. Here are two things to know to avoid a tech support scammer:
  • Legitimate tech companies won’t contact you by phone, email or text message to tell you there’s a problem with your computer.
  • Security pop-up warnings from real tech companies will never ask you to call a phone number.

6. What resources are available to protect yourself from malware?

  • Books
      • Mastering Malware Analysis: The complete malware analyst’s guide – by Alexey Kleymenov , Amr Thabet
      • Worm: The First Digital World War – by Mark Bowden
      • Malware Data Science: Attack Detection and Attribution – by Joshua Saxe, Hillary Sanders
      • Malware Analyst’s Cookbook: Tools and Techniques for Fighting Malicious Code – by Michael Ligh, Steven Adair, Blake Hartstein, Matthew Richard
      • The Art of Memory Forensics: Detecting Malware and Threats in Windows, Linux, and Mac Memory – by Michael Ligh, Andrew Case, Jamie Levy, AAron Walters
      • Practical Malware Analysis – by Michael Sikorski and Andrew Honig
      • Malware Analysis and Detection Engineering: A Comprehensive Approach to Detect and Analyze Modern Malware – by Abhijit Mohanta, Anoop Saldanha
      • Hacking Exposed Malware & Rootkits: Security Secrets and Solutions, Second Edition – by Christopher Elisan, Michael Davis, Sean Bodmer & Aaron L.
  • Courses
    • FOR610: Reverse-Engineering Malware: Malware Analysis Tools and Techniques by SANS Institute
    • Malware: Prevention, Detection, and Response by Pluralsight
  • Documents
    • M-Trends – 2022 Cyber Threat Report by Mandiant
    • Malware and Vulnerability Trends Report 2022 by Recorded Future
    • How To Recognize, Remove, and Avoid Malware by FTC
  • Documentary
    • Zero Days (2016)
  • Podcasts
    • Risks 101: Check and Protect – CyberAware Podcast by Minnesota State University, Mankato
    • Defensive Security Podcast – Malware, Hacking, Cyber Security & Infosec by Jerry Bell and Andrew Kalat
  • Tutorial
    • How to use Windows Malicious Software Removal Tool (MSRT) 
  • Videos
    • CyberDecoded: Malware, why you should care
    • CyberTip: Keep Up With Updates
Tags: BlogCyber SafetyCybersecurityMalwareTips
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