The multipartite virus is a hybrid of boot sector and program viruses. It infects both the application programs and the boot sector of the disk. It has combination features of boot sector and program virus.
- Most of multipartite viruses enter the computer via various sorts of media and then embed themselves in the system memory. They then go into the hard drive and infect the boot sector. Once installed in the boot sector these types of computer viruses infect executable files and spread themselves in the system.
- When boot the computer next time, the viruses load in the memory from the boot record and then start infecting other files or programs in the hard drive and the computer.
- Examples: Invader, Flip, Tequila etc.
It is computer virus that is both a file virus and a boot sector virus.