What is Matit and removal instructions

This is an Internet worm. It may spread via e-mail attachments or through some networks and vulnerable programs. Once executed, the worm starts its spreading routine and may have a payload. It may infect personal documents, corrupt system files or delete several programs. The worm may be used by attackers to control your system remotely.

Matit manual removal:
Kill processes:
matit.exe
Delete files:
matit.exe