Threat Description

KMIT

Details

Aliases: KMIT, Pro, Bios
Category: Malware
Type:
Platform: W32

Summary



KMIT virus installs itself to high DOS memory, decreasing available memory by 8336 bytes. It hooks interrupts 09h (keyboard), 1Ch (timer) and 21h (DOS).



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details



Once the KMIT virus is memory resident, it will infect executed COM and EXE files. File length increase will not be visible as long as the virus is resident. The virus code is located at the beginning of COM programs and at the end of EXE programs.

KMIT will corrupt COMMAND.COM if it infects it. This will result in a continuous series of reboots occurring when the machine is booted up next time.

KMIT contains the following unencrypted text string:

We are PRO Version 1.0 Producted by Mr.Watshira Sae-eu KMIT
Date Dec 28,1990 See U Next Version. BIOS SOIB 122819722791
		 
		 

KMIT activates on December the 28th, when it tries to overwrite part of the hard disk.





Description Created: Mikko Hypponen, F-Secure


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