Friday the 13th: the most famous virus in history

Let's not forget about the viruses that have caused many troubles and sorrows among users.
The Jerusalem virus (Jerusalem) , also known as Friday the 13th , was created in Israel in 1988 in honor of the 40th anniversary of the creation of a Jewish state.

The virus has been activated quite simply: as soon as Friday’s calendar, 13, comes on, all used programs and files were infected and destroyed.
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There was no specific way of spreading this virus, but this was done through normal systems, such as floppy disks, CD-ROMs, or email attachments.

How did he work?

- Infected files with the extensions COM, EXE or SYS and increased the size whenever the file was executed;
- Reduced the amount of memory available on the computer;
- It led to a slowdown in your computer;
- Every Friday, the 13th, the virus was activated and destroyed the computer files that were used that day.

How can I get rid of it?

As always, the recommendations for preventing such infections are to ensure that your operating system and antivirus are updated.