Blacksun
Description Blacksun
It is a very dangerous memory resident encrypted boot virus. It hooks INT 13h and writes itself to the MBR of the hard drive and boot sectors on floppy disks that are the accessed. The virus contains an error: as a key value in decryption loop it uses error code that is returned on GetDiskParameters call. Different BIOS-es may return different values in error code, and as a result the virus halts on these PCs (with AMI BIOS, for example).
If the month number is equal with day number and current time is 0 seconds, the virus erases the CMOS memory. The virus contains the text:
BlackSun
Check other viruses! Be aware! Use Antiviral Software
Nowi.1327
Description Nowi.1327
It is a dangerous nonmemory resident parasitic virus. It searches for COM files and writes itself to the end of the file. In some cases the virus corrupts the files while infecting them. The virus decrypts and displays the messages:
Out of enviroment space.
Not enough memory.
Analyzing configuration. Please waitall
Hej Sell! Czy to bylo tego warte? (c) by Nowicjusz
NoWin.2576
Description NoWin.2576
It is not a dangerous memory resident parasitic encrypted virus. It hooks INT 9, 21h and writes itself to the beginning of COM and to the end of EXE files that are executed or closed. When an infected file is opened, the virus disinfects it. While executing WIN.* file the virus reboots the computer. In some cases the virus beeps by PC speaker. The virus contains the text strings:
Copyright (c) 1993-94 XY, Zielona G¢ra.
R_H
|PL|
|