Remut.1171
Description Remut.1171
It is a harmless nonmemory resident parasitic polymorphic virus. It searches for COM files in the current directory, then writes itself to the end of the file. The virus does not manifest itself in any way. It contains the text strings:
CS
Recursived mutant by CyberShadowall
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Hatev.524
Description Hatev.524
It is a harmless memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are executed. The virus does not manifest itself. It contains the text string:
THIS IS [HATE V1.0] VIRUS
Havoc (Stealth_Boot) Family
Description 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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