TrkSwap
Description TrkSwap
This is a very dangerous virus, which infects boot sectors of floppy disks during access and a "warm" reboot. During access to the infected disk, the virus changes data on the tracks 0 and 39. The virus hooks INT 13h.
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Qumak.1028
Description Qumak.1028
These are non memory resident enciphered parasitic viruses. They hit .COM-files of current directory and directories pointed in PATH string. Depending of current time they display: "Hello world from my virus!". They also contain the texts: "(C) DOCTOR QUMAK", "e stuff that should be here".
"Qumak.1161" formats the disk sectors.
"Qumak.1079" is a memory resident virus. It hooks INT 12h, 13h, 21h and infects the .COM-files on their execution or opening. It contains the encrypted text string:
The famous cooperation strikes again: IT IS DOCTOR QUMAK II!
Watch out for the next virus from Krak-w, Poland!
Quox.a
Description Quox.a
It is a harmless memory resident stealth boot virus. It hooks INT 13h and writes itself to the floppy disks boot sector and the MBR of the hard drive. It does not manifest itself in any way. The master copy of that virus contains the text:
_QUOX_
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