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How to Recognize Different Types of Malware?



People have a propensity to play fast and loose with security terminology. However, it is significant to get your malware classifications because knowing how various types of malware spread is essential to containing and removing them.


Adware

Just like the name, this type of malware likes to create pop-ups and advertisements that are often appeared on web pages and free versions of software that come up with adware. A common adware program may redirect a user's browser searches to look-alike web pages that contain other promotional ads.


Virus

A computer virus is a form of malware that can replicate itself and spread to other computers but needs some user action for this to happen. Viruses are often attached to programs executing code, when launched and infects the unsuspecting victim. Viruses are malicious infections that can steal information, damage the connected networks and host computers.


Worm

Worms have been sustained even longer than computer viruses. Instead of needing user action to spread, a worm can spread between systems by exploiting vulnerabilities.


Trojan horse

Computer worms have been replaced by Trojan horse malware programs act as the weapon for the hackers. This type of malware pretends to be the desirable software to trick the user into installing it.


Rootkit
Once infected into the host, this type of malware elevates privileges of a normal user to gain administrator rights.


Ransomware

Encrypts users data and then requests a ransom before releasing a key to decrypt the files. Usually this malware is for monetary gain as some users will pay any amount of money to have their data back.


Spyware

Spyware is often used by people who want to check on the others’ computer activities and also monitors users’ activity. This can capture keystrokes for things such as credit cards, passwords, web history.


Key Symptoms of Malware Infection

  • Increased or full disk storage,
  • General slowness or increased load times,
  • Crashing or Freezing,
  • Strange programs appearing such as toolbars, icons etc.,
  • Email messages sent on your behalf that you were unaware of,
  • Odd computer behavior.

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