%%File: VIRS0512.TXT
%%Name/Aliases: Lisbon, Vienna, Vienna 656, VHP related (?)
%%Platform: PC/MS-DOS
%%Type: Program., 
%%Disk Location: COM application., COMMAND.COM.
%%Features: Memory resident; TSR.
%%Damage: Corrupts a program or overlay files.
%%Size: 648 bytes added to the end of the file.
%%See Also: 
%%Notes: Vienna Virus strain.  The time stamp of an infected file is 
changed: the seconds are set to 62 (= 2 * 1Fh). When infected file is 
executed, .COM-files in the current directory as well as in the 
directories in the DOS-PATH are extended by appending the viral code; no 
infection if the file size<10 or file size>64000 bytes.  A selected 
.COM-file is infected by "random" IF (system seconds AND 58h) <> 0 ELSE 
damaged!
 A selected .COM-file is damaged permanently by overwriting the first 
five bytes by "@AIDS"
  Damaged applications   Easy identification.: Last five bytes of file = 
"@AIDS" (Ascii)
The time stamp of an infected file is changed: the seconds are set to 62 
(= 2 * 1Fh).  Replace damaged files.