Name: TotalChaos. Category: Viruses Description: Details TotalChaos.a This is a memory-resident boot virus. It infects floppy disks boot sector as well as hard drive MBR. The virus is encrypted and uses stealth routines. It is very dangerous: under debugger, it erases data on the hard drive. To read/write hard drive sectors, the virus uses direct calls to a hard drive controller instead of INT 13h calls. The virus hooks INT 13h and 76h. The INT 13h hook is used by the virus to detect a debugger (see above), and INT 76h hooker runs stealth and infection routines. The virus contains the following text strings: TOT4L CHAOS - ABS0LUTE FREEDOM 666 =[T2/IR]=