Type File virus
Date Discovered 1993.05
Place of Origin Poland
Source Language
Platform DOS
File Type(s) .com, .exe
Infection Length 817 bytes
Reported Costs

Arusiek is a file virus from Poland. It was first discovered in Morocco in 1993.


When Arusiek is executed, it installs itself in memory just below the DOS 640k boundary. It takes up 1,088 bytes in memory. It appends its code to .com and .exe files as they are executed, or if they are opened in any way.

It will display the text "Arusiek" in the year 1994 and all subsequent years. The virus will avoid infecting the Polish MKS-VIR antivirus program. The following text strings can be found in an infected file: "MKS", "NAV", "CLEAN", "COMMAND", "Mum3", "A�r�u�s�i�e�k".


Arusiek.Komar is 692 bytes long and takes up 800 bytes in memory. It infects .com and .exe files when they are executed, opened or copied. The text "KOMAR" can be found in the viral code.


Arusiek was first reported in Morocco and is erroneously reported to have come from there. It actually originated in Poland.


Patricia Hoffman. Online VSUM, Arusiek Virus.

F-Secure Antivirus, F-Secure Virus Descriptions : Arusiek.

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