Marzia.Baracuda
Description Marzia.Baracuda
This is a dangerous memory resident multipartite stealth virus. On execution of infected file it infects MBR of hard drive. Then it hooks INT 13h, 21h. On loading from infected sector it hooks INT 13h, waits for DOS loading and hooks INT 21h. On accessing to infected MBR (virus checks it by using INT 13h hooking) it substitutes it by not infected one. By hooking INT 21h the virus intercepts the files for infection.
On installation it traces INT 13h and hooks INT 1Ch. It writes itself at the end of COM and EXE files are executed or closed. On opening of the infected file this virus cures it.
Depending on current date the virus erases the hard drive sectors or call INT 24h.
It contains the internal text strings also:
BARACUDA Vds
WW30V
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Grapje.1039
Description Grapje.1039
It's a non memory resident very dangerous virus. It hits the .COM-files at their beginning. The files can be infected incorrectly. These files are not recoverable and hang-up computer while running. This virus types: "GRAPJE!!" and contains the text strings: "*.COM", "*.*".
Gratug.482
Description Gratug.482
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are executed. Depending on the system date it decrypts and displays the string:
GratuQ
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