Uniform
Description Uniform
It is a harmless memory resident stealth boot virus. It reserved 1KB of the DOS memory, copies itself into there and hooks INT 13h. Then the virus writes itself to the MBR of the hard disk and boot sectors of the floppy disks. The virus saves the original MBR write into Track 0, Sector 3, Head 0. On floppy disks the virus writes the original boot sector to the last sector of the root directory. It calculates last sector of root directory with use of boot sector data.
The virus contains text "UNIFORM" at the beginning of virus code. This text is used by the virus to identify already infected disks. At the end of virus code it contains text "Rajaat".
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Carcel
Description Carcel
This is a benign memory resident stealth boot virus. It hooks INT 13h, and infects the MBR of the hard drive and boot sector of floppy disks that are accessed. On May 25, it also hooks INT 1Ch, displays a vertical columns and the text: "CARCEL!" (see also "Barrotes" DOS parasitic virus).
Career Family
Description Career Family
These are harmless memory resident parasitic viruses. They hook INT 21h and write themselves to the end of COM-files that are executed. These viruses infect the file if the first instruction of it is JMP (E9h) instruction. The 3th and 4th bytes of infected file are the word "UK". These viruses also contain the internal text string: "tenUKCareer of Evil".
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