Virus.DOS.Omega.440 is a very dangerous parasitic virus on DOS, it is named by the character printed in the payload.


When the virus is run, it infects every DOS executable in the current directory.


The virus activates on Friday 13th.

When an infected program is run, instead of running the host, the virus displays an Omega character (ASCII EAh), and erases hard drive sectors.

Some files may eventually disappear due to the lost of data in sectors, running programs that part of them locating in corrupted sectors may cause fatal system errors.

The system will no longer able to start after next boot.

Other detailsEdit

The virus contains the internal text strings:





Omega virus review by danooct1

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