VirDem.1542
Description VirDem.1542
This is a nonmemory resident parasitic virus. It writes itself to the beginning of COM files of the current or A: drives.
The virus erases the screen by the moving color picture.
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Maripuri.1942
Description Maripuri.1942
It is a very dangerous nonmemory resident parasitic virus. It searches for EXE files in subdirectory tree, and writes itself to the end of the file. If there are no EXE files, the virus erases CMOS, FAT of C: drive, and overwrites MBR of the hard drive with the program that displays the message:
Virus MARIPURI 1.0
By FredSoft C.O.
Made in Spain, IV-1.992
The virus also contains the string:
*.EXE *.COM *.*
Mark13.782
Description Mark13.782
It is a dangerous memory resident parasitic virus. It hooks INT 21h and on disk access calls searches for *.COM files and writes itself to the end of the file. While installing into the system memory the virus copies its code to the address 9000:0100 without fixing memory allocation blocks, that can halt the system.
The virus contains the text:
MARK13-Review
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