A&A.506
Description A&A.506
It's a memory resident not dangerous virus. It hooks INT 21h, 28h and infects COM-files only. It manifests itself by a video effect.
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Alex.818
Description Alex.818
This is a nonresident harmless virus. It infects EXE files in a standard way. The virus contains the text strings:
The Kite Virus (C) Alex Hacker *.EXE
The virus is not memory resident but copies small resident programs into the interrupt vector table. The first program erases text from screen by nice method some times after installation. The second program writes byte FEh to port 60h (?).
Alfa.3072
Description Alfa.3072
It is a dangerous(?) memory resident multipartite virus. While executing an infected file or loading from an infected floppy disk the virus infects the MBR of the hard drive. Then the virus hooks INT 13h, 21h and writes itself to the end of COM and EXE files that are executed. While accessing to floppy disks the virus infects the boot sector. Depending on its generation the virus may corrupt the CMOS.
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