CrazyBoot
Description CrazyBoot
It's a dangerous memory resident stealth virus. It hooks INT 13h and hits MBR of hard drive and boot sectors of floppies. On infection of floppies it saves virus body on wrong address and corrupts data files. Depending on its internal counters it displays the message:
Don't PLAY with the PC !
Otherwise you will get in 'DEEP,DEEP' trouble !all
Crazy Boot Ver. 1.0
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Horsa.1230
Description Horsa.1230
These are harmless nonmemory resident parasitic viruses. They search for .COM files and write themselves to the end of the file. To infect the files the viruses use direct read/write calls via INT 25h/26h. The viruses contain the text string:
*mand.com
"Horsa.1230" also contains the text:
> Joan v2.10 Virus By KiKo for test in 1995 <
Horse.1154.a
Description Horse.1154.a
There are not dangerous memory resident parasitic viruses. They hook INT 8, 21h and write themselves to the end of COM and EXE files that are executed or closed. While infecting the viruses use the undocumented System File Table. The viruses trace interrupts, periodically manifest themselves by a sound or the video-effects. They contain the text strings like:
Sofia,Jan/Feb 1991 (c) Naughty Hacker.
Sofia,Feb '91 Naughty Hacker.
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