CATEGORIES OF COMPUTER VIRUS

What are the 11 categories of Computer Viruses?

Infect the boor record on hard disks, floppy disks and theoretically on CD's and DVDS's

• Boot Sector Viruses

• Master Boot Record (MBR) Viruses

• File Infector Viruses

• Macro Viruses

Viruses are very similar to boot sector viruses except that they infect the MBR instead the boot sector

• Boot Sector Viruses

• File Infector Viruses

• Master Boot Record (MBR) Viruses

• Macro Viruses

Infect files which contains executables code such as .EXE and .COM files

• Boot Sector Viruses

• File Infector Viruses

• Master Boot Record (MBR) Viruses

• Worms

Some file infectors are ___________. This means that the virus will stay in memory and continue to infect other programs

Infect certain types of data files. Mostly it infect Microsoft Office files such as Word Documents, Excel Spreadsheets, PowerPoint Presentations and Access Databases.

• File Infector Viruses

• Macro Viruses

• Resident Viruses

• Worms

This virus is a permanent as it dwells in the RAM

• Macro Viruses

• Resident Viruses

• Worms

• Trojan Horses

Is a program very similar to a virus. It has the ability to self-replicate and can lead to negative effects on our system

• Macro Viruses

• Resident Viruses

• Worms

• Trojan Horses

Is another unsavory breed of malicious code. It is a program which disguises as a useful program or application

• Worms

• Trojan Horses

• Directory Viruses

• Overwrite Viruses

Change the path that indicates the location of a file

• Overwrite Viruses

• Directory Viruses

• Trojan Horses

• Polymorphic Viruses