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Havoc (Stealth_Boot) Famil Viruses Information
| Name: |
Havoc (Stealth_Boot) Famil |
| Category: |
Viruses |
| Description:
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Details
Havoc (Stealth_Boot) Family
These are memory resident stealth boot viruses. On loading from infected floppy they write themselves into MBR of hard drive. Then they hook INT 13h and hit floppy disks on reading from them. They infect floppies by "Brain" algorithm.
Depending on the system timer "Havoc.a,b" erase the disk sectors. "Havoc.Amse" is the harmless virus, it does not manifest itself. "Havoc.Alfredo" decrypts the text strings and outputs them to the printer:
LIMA - PERU
(c) Laboratorio Luz de Luna
ANGEL X TE SALUDA
The viruses contain the internal text strings:
"Havoc.a": The HAVOC Virus
"Havoc.b": The Havoc ][ Virus
"Havoc.Alfredo": ALFREDO
"Havoc.Amse": AMSESLIFVASRORIMESAEP |
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