
Tannenbaum, also known as Christmas Tree or XA1 is a slightly polymorphic .com infector from 1990. It displays a Christmas Tree when executed from December 24 to 31.

Tannenbaum, also known as Christmas Tree or XA1 is a slightly polymorphic .com infector from 1990. It displays a Christmas Tree when executed from December 24 to 31.
Virus.DOS.Radio.2076 (1997) Depending on its counter (approx. in 6 minutes after activation) the virus displays a message in Russian. On Alt-Ctrl-Del the virus displays the picture:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx BERZIN FANS CLUB PRESENT XX XX XX XX XXXXXX XXXXXX XXXXXXX XXX XXX XX XX XX XX XX XX XX XX X X XX XX XXX XX XX XXXXX XX XX XX X XX XX X XX XXXXXX XX XXXXXXX XX XX XXX XX XX XX XX XX XX XX XX XX XX XXXXXX XX XX TEL:(095)434-00-00 OR 03 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
The SCA virus is the first computer virus created for the Commodore Amiga and one of the first to gain public notoriety. It appeared in November 1987. The SCA virus is a boot sector virus. It features a line of text that appears at every 15th copy after a warm reboot:
Something wonderful has happened Your AMIGA is alive !!! and, even better… Some of your disks are infected by a VIRUS !!! Another masterpiece of The Mega-Mighty SCA !!
Elk Cloner (1982) was written by a 15 year old high school student called Rich Skrenta as a practical joke. The virus was developed for the Apple II system and was a boot sector virus that spread via floppy discs (mostly through pirated games).
VBS/VBSWG-Z, Visual Basic Script worm (2001). The Mawanella worm, named after a Muslim village, is yet another illustration of virus writers using malicious code as a political platform. Source.

Murderer virus (1997) It displays an ASCII cake and plays “Happy Birthday” on the PC speaker. When the computer is rebooted, the drive is formatted, and all data is lost. A message is also written:
To the human: The emperor of darkness “Satan” has came back from hell, and he will destroyn the world, all human will be take to the horrendous darkness. But one man who can fight with Satan, “Son of brightness” has born. He will lead us to fight with Satan, and kick him back to the hell. So, hurry up, go to Taiwan to find our rescuer ==> Chinq-shyang Lay. « All augur »
Ambulance or Ambulance Car virus (Germany, 1990).
When an infected file is executed, an ASCII ambulance can be seen moving across the screen and a siren start to sound displaying a alert message like : BOOM!. Ambulance is not a destructive virus; it simply spreads itself around and shows off its payload once in a while.