Kadavr.506
Description Kadavr.506
It is a harmless memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of EXE files that are executed. The virus does not manifest itself in any way. It contains the text in Cyrillic:
Kadavr
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Day2.1472
Description Day2.1472
This is a very dangerous memory resident encrypted parasitic virus. It hooks INT 13h and 21h, and writes itself to the end of COM and EXE files (except COMMAND.COM) that are executed. On the 2nd of January, February and March, the virus overwrites the hard drive MBR with a Trojan program that erases the disk sectors while booting from this hard drive. On the same days, the virus changes digits in data that are saved on disk.
Day24.792
Description Day24.792
This is a very dangerous non-memory resident parasitic virus. It searches for EXE files, then writes itself to the end of the file. On the 24th of even-numbered months (February, April, June, etc.)the virus erases the CMOS and the hard drive sectors.
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