MH.1499
Description MH.1499
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or opened. The virus checks the file names by using the string:
execomastaavg.strowin.emm3scan
and does not infect the files: ASTA*.*, AVG.*, STRO*.*, WIN.*, EMM3*.*, SCAN*.*. The virus does not manifest itself in any way, it contains the ID-string "MH".
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Tedy.4350
Description Tedy.4350
It is a very dangerous memory resident parasitic polymorphic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are accessed by FindFirst/Next ASCII DOS calls (INT 21h, AH=4Eh, 4Fh).
The virus deletes the CHKLIST.MS file. On November 12th it overwrites the MBR of the hard drive with a program the displays the messages:
¡¡ TEDY, el primer virus interactivo de la computación. !!
Responda el siguiente custionario:
¿Los programas que usted usa son originales? [s/n]
5 archivos menos por mentiroso.
2 archivos menos por ladrón.
¿Los de Microsoft son unos ladrones? [s/n]
Te doy otra oportunidad para responder bien.
TEH.647
Description TEH.647
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .COM files that are executed. It contains the text string:
TEH
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