Leningrad / Crash virus (1998).
This is a not memory resident benign virus which searches for COM files and infects them by a standard manner. On Friday, 13th it types:
That could be a crash, crash, crash !
ATTENTION I have been elected to inform you that throughout your process of collecting and executing files, you have accdientally (sic) ¶HÜ¢KΣ► [PHUCKED] yourself over: again, that’s PHUCKED yourself over. No, it cannot be; YES, it CAN be, a √ìτûs [virus] has infected your system. Now what do you have to say about that? HAHAHAHAHA. Have ¶HÜÑ [PHUN] with this one and remember, there is NO cure for AIDS
AIDS (circa 1990) is a computer virus written in Turbo Pascal 3.01a which overwrites com files.
An ANSI-bomb changes the keys of your keyboard. For example, when you press return it will ask if you want to format your hard drive. If you answer N as in no, it might be formatted anyway if N has been programmed to mean Y.
It’s not really a virus, since it just uses a built-in feature of ANSI.SYS, but it can be used to make trojans still gets some virus-paranoid people going.
The Shatin virus (1995) activates on the 1st of any month, when it displays a full screen message (你死了 Translation: You Died or 毋忘我 – Don’t Forget Me written yellow on blue background) and hangs the computer.
Fellowship virus (1990). It attaches it to the end of .EXE files, but may overwrite the end of the original file. The virus itself is 1019 bytes long.
RP virus (1996) RP activates on the 17th of December. When the machine is booted on that date, the virus decrypts a message, switches the display to 40 column mode and displays the following text: RP wants to say hello! After this, the virus overwrites part of the hard drive, making the machine unbootable.