Pregnant.1199
Description Pregnant.1199
This is a relatively harmless memory resident encrypted parasitic virus. It hooks INT 21h, and writes itself to the beginnings of COM files that are executed. On Friday after 10 p.m., upon the DOS command 'DIR', it displays the following message:
¦ I am the Sexual Virus - I Just Made WILD PASSIONATE LOVE to a Whole Bunch ¦
¦ of Promiscuous Files. But Please Relax - I Promise NOT to DAMAGE ANYTHING. ¦
¦ The Files That Spread Their Hot, Moist Pointers For Me - Are all PREGNANT! ¦
¦ You ll See the Sluts on Friday at 22:00 - Love From PASSION JUNE 1991 (C). ¦
and changes the names of all infected files to "PREGNANT.!!!".
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Mr_Gu Family
Description Mr_Gu Family
These are memory resident parasitic viruses. They hook INT 21h and on ChDir DOS call (INT 21h, AH=3Bh) they search for COM files and write themselves at the end of the file. They contain the text strings:
*.com
Mr.Gu
Mr_Gu.545
It is not a dangerous virus, while infecting it changes the color of the screen border.
Mr_Gu.635
It is a harmless encrypted virus. It also infects COM files that are executed. It infects the COMMAND.COM file of only DOS version, the virus inserts itself into middle of that file, and file length does not grow.
Mr_Twister
Description Mr_Twister
It is a harmless nonmemory resident parasitic virus. It searches for .COM files and writes itself to the end of the file. It contains the text string:
Mr. Twister 1994,1
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