This virus doesn't activate, because of an mistake in code (the virus should activate on every Octomber 20th).
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
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This virus doesn't contain any destructive routine - it only tries to write the following message:
Virus napsany specialne pro inzenyra ZAKA ze SPS*******************Nepodlehejte panice, mate nakazeno jen par souboru...(c) 1993 II.A 1988Tak a ted si vyzkousime treba: RESETKdyby kazdy nespokojeny studentnapsal virus, tak v nasich skolach byani jiny software nekoloval a McAfee by se divil...
After this the virus waits for a keypress and then resets the machine.
The 1376 bytes long variant is nearly identical to the Helloween.1839 described above, but it displays this message:
Nesedte porad u pocitace a zkuste jednou delat neco rozumneho! ******************* !! Poslouchejte HELLOWEEN - nejlepsi metalovou skupinu !!
This variant also has a different xor-coding constant, it activates on November 1st when it reboots the machine.