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By Tanveer Ahmed :
In a journey that has captivated the tech community, Bernardo Quintero, the founder of VirusTotal and a director at Google’s Safety Engineering Center (GSEC), has finally unmasked the anonymous programmer behind the 1992 computer virus that inadvertently launched his career.
After 33 years of mystery, Quintero revealed this week that the creator of the infamous “Virus Málaga” was Antonio Enrique Astorga, a local student who unknowingly planted the seeds for Spain’s modern cybersecurity revolution.
The 2,610-Byte Catalyst
The story began in 1992 at Málaga’s Polytechnic School. A young Quintero was challenged by his professor to defeat a small, 2,610-byte program that was spreading across university computers. While mostly harmless, the virus featured a sophisticated design and a hidden political message: “HB=ETA=ASSASSINS. DEATH PENALTY FOR TERRORISM,” a protest against the Basque terrorist group ETA.
Defeating the code sparked a lifelong passion for Quintero. He went on to found VirusTotal, a collaborative malware-scanning platform that Google acquired in 2012. That acquisition didn’t just move a startup; it brought Google’s flagship European security hub to Málaga, transforming the coastal city into a global technology powerhouse.
The Search for “Kike”
Earlier this year, Quintero stepped down from his managerial duties at Google to return to “the basement”—the lab where he could focus on pure research. This transition allowed him to re-examine the original virus code with modern tools.
He discovered a signature his 18-year-old self had missed: two bytes (4B and 49) that translated to “KI” in ASCII. A later variant, “Málaga II,” contained a much clearer clue: “KIKESOYYO” (I am Kike).
Following a public appeal and a breakthrough tip from a former classmate, Quintero was led to the name Antonio Astorga. However, the search reached a bittersweet end: Antonio had passed away from cancer years earlier.
A Legacy Beyond the Screen
The investigation took a final, emotional turn when Quintero contacted Antonio’s sister. She confirmed that while he was known to the world as Antonio, his full name was Antonio Enrique, and his family called him “Kike.”
Quintero discovered that Astorga had not pursued a career in “black hat” hacking. Instead, he became a beloved computer science teacher at a local secondary school, where a classroom is now named in his honor.
Closing the Circle
In a final twist of fate, Quintero met Antonio’s son, Sergio Astorga, a recent software engineering graduate with a budding interest in cybersecurity. “Being able to close that circle now, and to see new generations building on it, is deeply meaningful to me,” Quintero wrote.
Today, the Google Safety Engineering Center in Málaga stands as a direct descendant of that original 1992 virus. What began as a student’s experiment to voice a political opinion ended up building an ecosystem that now protects millions of users worldwide.
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