Types of malware

Types of malware

1. Virus: this is a program that installs itself on the computer without the user's consent with the aim of causing harm.

2. Keylogger: this is a type of software that attemps to obtain and memorise keystrokes.

3. Worm: this is malware whose purpose is to flood the system memory by reproducing itself.

4. Spyware: these programs with malicious code are basically Trojans, adware and hijackers.

   • Adware: it is advertising included in programs that appears after installation. Some come with shareware or freeware licences. The problem arises when these programs act as spyware, including code to gather personal information on the user.
   • Trojan: this is a type of virus that constains instructions, camouflaged in another program, whose purpose is to destroy or gather information saved on disks.
   • Hijackers: these are programs that ''hijack'' other programs to use their rights or change their behaviour.

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