Bravo
Description Bravo
It's a dangerous memory resident boot virus. On loading from infected disk it copies itself into Interrupt Vectors Table and hooks INT 13h. Then it writes itself into boot sectors of floppy disks. MBR of hard drive is infected on loading from infected floppy. Depending on the system timer the virus overwrites the MBR with the string "Bravo".
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Jesus Family
Description Jesus Family
These are dangerous nonmemory resident parasitic encrypted viruses. They search for COM files and writes themselves to the end of the file. They play a tune, delete *.MS files, contain the text strings:
*.COM
COMMAND.COM *.* .. *.MS
MZ
"Jesus.1215" also displays the message:
Jesus saves all (except this lame computer!)
JFA family
Description JFA family
These are not dangerous nonmemory resident encrypted parasitic viruses. They search for COM files, then write themselves to the end of the file. While infecting the viruses also encrypt 16 bytes in the middle to avoid generic disinfection. Before infecting files the viruses display the message:
I am !
The viruses also contain the text strings:
all and justice for all.
*.com
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