ITH
IT History Journal
February 11

Feb 11, 2001 — The "Anna Kournikova" Worm and the Power of a Famous Name

February 11, 2001

On February 11, 2001, a computer worm began spreading across the internet through email.

Its technical name was VBS.OnTheFly.

But almost everyone called it something else:

The “Anna Kournikova” virus.

To understand why it spread so fast, we need to understand who Anna Kournikova was.

Who Is Anna Kournikova?
Anna Kournikova is a former Russian professional tennis player.

In the late 1990s and early 2000s, she became one of the most famous athletes in the world.

She did not win a Grand Slam singles title, but that did not matter. She was:

Young

Talented

Frequently on magazine covers

A global media figure

She became one of the first true internet-era sports celebrities. Her photos were everywhere online.

That fame made her name extremely clickable.

Later, after the worm, she formed a long-term relationship with singer Enrique Iglesias, and the couple have children together.

The Email That Tricked Millions
The worm arrived as a simple email message:

“Here you have, ;o)”

Attached to it was a file:

AnnaKournikova.jpg.vbs

It looked like a photo.

But it was not a photo.

It was a Visual Basic Script file.

If someone opened it, the script executed immediately.

What the Worm Did
When opened, the worm:

Sent itself automatically to everyone in the victim’s Microsoft Outlook address book

Deleted certain local files

Continued spreading without the user realizing

It did not use advanced hacking techniques.

It used curiosity.

People thought they were opening a celebrity image.

Instead, they launched a self-replicating program.

Why It Spread So Quickly
In 2001:

Email security was basic

Many people did not understand file extensions

Windows often hid known extensions

So “.jpg.vbs” often appeared as just “.jpg”.

That small design decision made the attack much more effective.

Within hours, organizations around the world were flooded with infected emails.

Companies shut down email servers to stop the spread.

The Creator
The worm was created by a Dutch programmer named Jan de Wit.

He used a simple virus-building toolkit available online.

He later said he did not expect it to cause such global impact.

He was arrested and sentenced to community service, not prison.

This case showed something important:

You did not need deep technical skill to create worldwide disruption.

You only needed:

A simple script

A famous name

And human curiosity

The Bigger Meaning
The “Anna Kournikova” worm was not the most destructive malware ever created.

But it became symbolic.

It showed that:

Social engineering is powerful

Trust spreads faster than code

Celebrity culture could be weaponized

Earlier worms like ILOVEYOU and Melissa virus had already demonstrated the danger of email-based attacks.

This incident confirmed that the internet had entered a new era.

An era where:

One email
One click
One name

Could affect the entire world.