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Fitw


Aliases:


ARJ250

Malware
Virus
W32

Summary

Variants of this virus were uploaded to different Bulletin Board Systems in Slovenia during September 1995 as trojanized versions of ARJ and PKZIP (ARJ250.EXE, PKZ205.EXE).

FITW infects COM and EXE files, boot sectors on both floppies and MBRs on hard drives.



Disinfection & 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

The virus contains an encrypted text "Fart in the wind". The virus activates on certain dates. At this time, it will try to overwrite the hard disk with random data while displaying the following (otherwise encrypted) text. The text is displayed one at a time, displaying a new letter every time a key is pressed. Ctrl-Alt-Del is disabled during overwriting.

    The "FartStorm" coded by Demon Emperor
      >Big hello to Cmoskiller & Xorboot<
      Are you wild? Hey don't... wait...
      let us talk... No? Be off lame
      fuckhead!

Due to a bad coding, the text does not always get displayed. Cmoskiller and Xorboot are names of two previous viruses that appeared in Slovenia during 1995.

Fitw is highly polymorphic, and it was the first virus to be really polymorphic in the boot sectors as well.


Variant:Fitw.3794

This is a smaller variant, which only infects COM and EXE files.

It activates on Mondays when the day of the month is 2, 4, 6 or 8.

See: Hare





Technical Details: Dalibor Cerar, ABM d.o.o., dalibor@abm.si



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