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How to Protect your PC from Malware What is Malware Types of Malware How to prevent Malware

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Page 1: How to Protect your PC from Malware

How to Protect your PC from Malware What is Malware Types of Malware How to prevent Malware

Page 2: How to Protect your PC from Malware

Malicious Software

What is malware? Software designed to infiltrate a computer system and possibly damage it

without the user’s knowledge or consent Types of malware

Viruses Adware Spyware Trojan Horse Worms Ransomware Logic Bombs…and more…

Page 3: How to Protect your PC from Malware

Spyware Malicious software that is either downloaded unwittingly from a

website or is installed along with some other third-party software It monitors the user’s activity without informing the user that it is

doing so It passes on user’s information to marketers or intercepts personal

data such as credit card numbers It always provides commercial gain

Page 4: How to Protect your PC from Malware

How Spyware comes to your computer? Downloading free games, utilities, media players Opening spam email Visiting corrupted websites Mainstream software applications File sharing programs

Page 5: How to Protect your PC from Malware

How to prevent Spyware? The first line of defense is Windows defender (Windows 8) Set your Internet security setting to high Follow your instincts, don’t visit untrusted Websites Read before you click, uncheck the small boxes, and “No, I do not

accept”

Page 6: How to Protect your PC from Malware

Adware Displays ads and generate revenue for the creator Adware collect data on which sites the user visits Sends this data back to the company and delivers ads based on the

information It can be included within some freeware or shareware A visit to an infected website can result in installation of adware Antivirus software can detect and remove adware

Page 7: How to Protect your PC from Malware

Trojan Horse Trojan horses are programs that enter a system or network under the

guise of another program It may be included as an attachment or as part of an installation program Appears to perform wanted functions but is actually performing malicious

functions behind the scenes The name is derived from the story of the Greek gift to the Trojans, hidden

with soldiers

Page 8: How to Protect your PC from Malware

How to prevent Trojan horse Not to allow them to enter your system Any software or operating system you install, back it up If Trojan horse suspected, then reinstall the original program It will delete Trojan horse A port scan may also reveal a Trojan horse Also, any Trojan Removal software will be helpful

Page 9: How to Protect your PC from Malware

Trojan Horse Removal Software

Page 10: How to Protect your PC from Malware

Worms A worm is similar to a virus by design and is considered to be a sub-class

of a virus Worms spread from computer to computer, but unlike a virus, it has the

capability to travel without any human action A worm takes advantage of file or information transport features on your

system, which is what allows it to travel unaided Worm has the capability to replicate itself on your system So your computer will be sending out hundreds or thousands of copies of

itself creating a huge devastating attack effect

Page 11: How to Protect your PC from Malware

Who Will Get Infected by Worms?

Page 12: How to Protect your PC from Malware

Ransomware Ransomware is often delivered through Trojan Horse Takes control of the system and demands a third party be paid Control can be accomplished by encrypting the hard drive, by changing

user password information or any other creative ways Users are assured that by paying the money they will be given the code

needed to revert their system to normal operations

Page 13: How to Protect your PC from Malware

Ransomware Sign

Page 14: How to Protect your PC from Malware

Logic Bombs Logic bombs are programs that executes when a certain predefined event

occurs A bomb may send a note to attacker when a user is logged on to the

Internet This message informs the attacker that the user is ready for an attack That the victim has meet the needed criteria for an attack to begin Victim’s system can be used to initiate an attack, such as DDOS attack Or can grant access at the time of the attacker’s choosing

Page 15: How to Protect your PC from Malware

Virus A virus is a piece of software designed to infect a computer system A computer virus attaches itself to another program or replaces it by overwriting it so that it can reproduce itself without you

knowing it It can quickly use up all the available memory on your computer and

seriously slow down the system, and even stop it completely Viruses can damage data files, destroy files, make disks unreadable

Page 16: How to Protect your PC from Malware

How viruses get into your computer

From contaminated media, like DVD, USB, or CD-ROM Through email and social networking sites As part of another program

Page 17: How to Protect your PC from Malware

What viruses can do Damage data files Destroy files make disks unreadable Even cause damage they weren’t designed to

Page 18: How to Protect your PC from Malware

How to prevent viruses The primary method is antivirus software, like Symantec Endpoint

Protection, and Microsoft Security Essentials Symantec Endpoint Protection is provided for free to NOVA students NOVA students can download it from Blackboard using their myNOVA

username and password https://learn.vccs.edu/webapps/portal/execute/tabs/tabAction?

tab_tab_group_id=_23_1 Microsoft Security Essentials can be downloaded for free from Microsoft

Website http://www.microsoft.com/en-us/download/details.aspx?id=5201

Page 19: How to Protect your PC from Malware

What is Anti-Virus software

Antivirus software is an application to protect your system and scan it for viruses, worms and Trojan horses

Most viruses have characteristics that are common to families of virus Antivirus software looks for these characteristics, or fingerprints, to

identify and naturalize viruses before they impact you More free Anti-Virus software, like Malwarebytes, Spybot, Trend Micro and

more

Page 20: How to Protect your PC from Malware

User Education The second method preventing viruses is user education Not to open suspicious files To scan every disk, email, and document they receive before they open

them The security settings should be on high within the application they use Update the antivirus software at all times

Page 21: How to Protect your PC from Malware

Symptoms of Virus Infection Programs of your system start to load more slowly Unusual files appears on your hard drive, or files disappear from your

system Many viruses delete key files in your system to make it inoperable Program size changes from installed version, because virus is attaching

itself to the program Browser, word processing application, or other software exhibit unusual

operating characteristics. System suddenly doesn’t reboot or gives unexpected error messages

during startup

Page 22: How to Protect your PC from Malware

Hands-on Activity Scanning your system using Microsoft Baseline Security Analyzer Install the free Microsoft Baseline Security Analyzer Start Microsoft Baseline Security Analyzer Choose scan this computer You will have a choice which computer to scan Choose this computer Click on start Scan View the report details when the scan concludes

Page 23: How to Protect your PC from Malware

Resources

CompTIA Security +, Deluxe Study Guide, Third Edition By: Emmett Dulaney


Weaponised Malware & APT Attacks: Protect Against Next-Generation Threats

1 800-589-0948 How to Remove Malware From Your Windows PC?

sprim, ransomware, spam, pishing, scam, malware, spyware, sniffing,Pc Zombie y Spoofing

Data sheet AntiFraud Protect your brand from phishing and malware … · 2020-07-16 · Protect your brand from phishing and malware attacks Data sheet | AntiFraud Overview For brand

Know Your Malware: Protect Yourself @ DPS Europe, 2/4/15

Tips to Avoid PC Viruses and Malware

[hs] Heimdal PRO Guide for Affiliates and Resellers …...4 Protect your computer from 2nd generation malware Ransomware, exploit kits, financial Trojans and data-stealing malware

G DATA PC Malware Report H2 2015 EN · PDF fileG DATA PC Malware Report 3 ¡ In the second half of 2015, experts at G DATA SecurityLabs recorded 2,098,062 new signature variants. This

Risk report: H2/2015 G DATA PC Malware Report · G DATA PC Malware Report 4 G DATA PC Malware Report 5 The actual number of malware files is there-fore larger than the number of signature

Gen PC Spy Software- Protect Your Business

Google Chrome: How to protect from phishing and malware

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The Latest Malware Threats Against Your PC

Security Awareness Protect Your PC

SECURE, PREVENT AND PROTECT - NCR · Typically, these attacks fall into three major categories: • Black box attacks • Malware in the network • Malware installed on the ATM In

Remove Ace Race Ads pop-up advertisements – Fix your PC from malware

How to Protect Your Business from the Coming Malware Storm

Lesson 2- Protecting Yourself Online. Determine the strength of passwords Evaluate online threats Protect against malware/hacking Protect against identity

Canon imageCLASS Security White Paperdownloads.canon.com/nw/pdfs/solutions/imageCLASS-imageRUNNE… · which helps protect against viruses and malware. Security Measures to Protect

G DATA Malware Report H2 2014 · pc malware report h2 2014 Platforms – .NET developments still on the rise The programming of malware as .NET applications has ensured that the proportion

Protect your own company environment or increase …...flexibility to protect your environment from all types of malware, including threats for Windows, Mac, mobile malware and ransomware

Protect Your Desktops from Malware and Unauthorized Software

Real-time threat intelligence from Spamhaus: Protect your … · Real-time threat intelligence from Spamhaus: Protect your mail streams from spammers, malware and malicious domains

Computer Security: Protect your PC and Protect Yourself

Ways to Protect Your Business - Sharp Business Systems · Protect your computer’s data from malware, viruses, and cyberattacks with advanced endpoint security. Today’s latest

How To Protect Your Home PC

What to do if My PC is Infected With Malware

White Paper Protect Against Malware with DNS Firewalls · Protect Against Malware with DNS Firewalls 1BT Diamond Whitepaper Introduction Securing your network requires disciplined

Protect Against Malware with Mobile Threat Management

Wordpress malware - What is it and how to protect your website

Yorkshire and Humber Regional Cyber Crime Unit · Malware protection - Use encryption to protect your data from cyber-attacks such as malware. 7. Information risk management - Be

Protect against viruses, malware, misuse and theft Protect against data theft or loss, identity theft and fraud Avoid scams, savvy social networking and

Introduction to Malware & Botnet...PC-Write Trojan: Malware authors disguised one of the earliest Trojans as a popular shareware program called “PC-Writer.” Once on a system, it

5 Ways To Protect Your Business From Dangerous Malware

Lesson 2 - Protecting Yourself Online · •Protect yourself against malware/hacking •Protect yourself against identity theft Objectives ... malicious intent. Two types of malware: