Infection methods of malware

• Virus


  A type of malicious code or program written to alter the way a computer operates
• designed to spread from one computer to another and the ability to replicate themselves by hooking them to the program like songs, videos etc.

  Virus
• A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code.
• In the process, a virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data.
• a type of malware that spreads copies of itself from computer to computer

  Worms
• can replicate itself without any human interaction, and it does not need to attach itself to a software program in order to cause damage.

  Worms
• it uses a computer network to spread itself, relying on security failures on the target computer to access it.

  Worms
• programmed/hacked to break into user accounts, scan the internet for contact information, to send spam, or perform other harmful acts.

  Bots
• can be seen as advanced form of worms

  Bots
• To carry out these attacks and disguise the source of the attack traffic, attackers may distribute bad bots in a botnet – i.e., a bot network.

  Bots
• a type of malware that is often disguised as legitimate software

  Trojans
• can be employed by cyber-thieves and hackers trying to gain access to users’ systems.

  Trojans
• once activated, it can enable cyber-criminals to spy on you, steal your sensitive data, and gain backdoor access to your system. These actions can include: Deleting data, Blocking data, Modifying data and Copying data.

  Trojans