Virus Database

Amanita.1135

Description Amanita.1135

It is a harmless memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed. The virus does not infect anti-viruses ADINF, DRWEB, AVP as well as programs COMMAND, NC*, IBM*, HIEW. The virus does not manifest itself in any way, it contains the text strings:
ADIN.DRWE.WEB.AIDS.AVP.COMM.NC.IBM.HIEW.
"Amanita" v3.03 (c) 1997

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Pentagon

Description Pentagon

This is a dangerous virus. It infects Boot sectors of floppy disks in a "Brain" way. If the floppy disk is already infected by the "Brain virus, "Pentagon" will "cure" the Boot sector of this disk, change its label and infect the disk by itself. The file PENTAGON.TXT will be created on the infected disk. The virus survives "warm" rebooting. Some part of the virus is encrypted. The virus hooks INT 9, 13h. The virus contains the text: "(c) 1987 The Pentagon, Zorell Group", "first sector in segment".

Penza Family

Description Penza Family

These are not dangerous memory resident parasitic viruses. They trace and hook INT 21h, then they write themselves to the end of COM and EXE files that are executed. While infecting "Penza.700" converts the EXE files to COM format (see the "VACSINA" family). If an error appears while infecting, "Penza.1210" displays the message:
Best wished from Penza!

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