Details
Veronika.1549

It is a dangerous memory resident parasitic encrypted virus. It traces and hooks INT 21h, then it writes itself to the end of COM and EXE files that are accessed. On INT 21h call SelectDisk (AH=0Eh) the virus increases the internal counter, on 80th selection of the floppy disk the virus overwrites the boot sector of that floppy with a trojan program that displays while loading: “VERONIKA”. The virus also contains the text strings:
Veronika
Veronika P.

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This entry was posted on Friday, May 30th, 2008 at 7:50 pm and is filed under Virus Threats.