Stealing personal information, slowing down your computer’s performance, or causing all sorts of problems – computer viruses can do it all and more. Even when the doors open to the internet It paves the way for millions of malicious computer programs whose sole purpose is to cause harm.


With the advent of the age of technology, cyber attacks have increased even more. According to a report by security company Kaspersky in August 2021, computer crime in Latin America increased by 24 percent in the first months of last year. While the outlook for 2022 is also not very encouraging, the reality is that compared to a decade ago, the specter of a cyberworm responsible for terrorizing millions of users still lurks in the records of network security users.

Silent and deadly, this Mydoom was the fastest and most contagious computer worm in history.. Then all the devices were in danger, there was no computer that could be saved from the terrible consequences of this virus that spread around the world. More than just malware, it was a stealthy and audacious epidemic that threatened to destroy the security of millions of netizens.

Mydoom was a potentially harmful and powerful malware that has so far found no match worth replacing. It far surpassed previous records set by the Sobig worm, which received the dishonorable title of the fastest worm in history prior to the arrival of Mydoom and defeated the ILoveYou virus, a worm written in VBScript that infects an estimated 50 million computers. causing millionaire losses. If we compare them to the $59 billion Mydoom cost the world (like 260 billion Colombian pesos), there is nothing to worry about.

(Keep reading: Romanian ‘hacker’ accused of dangerous computer virus crashed in Bogota).

Being part of one of the world’s largest American PC software distribution families has never been as risky as it was 18 years ago. According to the records released by the media at the time the worm attacks began – about January 2004 – its victims were users with computers running Microsoft Windows 95 or higher.

Recovery Labs, a computer security company specializing in the development of computer data recovery applications and services, stated that the way the worm works will spread via e-mail with variable characteristics and sometimes through the shared file program KaZaA.

For a malicious program, it was much more effective than any antivirus or specialist that could fight it. Who would suspect a seemingly harmless message in their inbox? No one would risk ignoring a warning about a legitimate bounced email. If there was a competition for the perfect gimmick, without a doubt Mydoom should be among the finalists, the operating system has been a real headache for years.

(Interest: Customer data security is not a game.)

After the user opened the file, there was no return. Mydoom has executed malicious code that is responsible for sending the malware to different email addresses while camouflaging itself to stay undetected, according to the Cybersecurity and Infrastructure Security Agency (CISA).

The above is in simple terms, but if we analyze the computer worm from a technical point of view, what it did was make a copy of itself in C:\Windows\ and then delete all traces of the computer and continue even after rebooting. In this way, it was almost impossible to get rid of the cyber worm.

(We recommend: “Some hackers burned my hand with a computer virus”).

One of the most dangerous features was the TCP 3127 to 3198 backdoor, through which any user could remotely access the infected computer. He was not only potentially dangerous, but also incredibly intelligent. The proof of this is that it has the ability to spread indefinitely from infected devices by searching for email addresses and then sending itself and continuing to reproduce. It was a deadly and silent epidemic.

Mydoom’s programmer(s) (who was never identified) were ambitious in their initial attack. In January 2004, they decided to attack the SCO Group, a company originally associated with the Linux and free software movement. The official page of the American company became the first victim of the next million.

When cybersecurity researchers uncovered that MyDoom was programming a denial-of-service (DDoS) attack, they managed to evade the tough investigations of the FBI or even the $250,000 (just over a billion pesos) juicy reward the company offered. let the virus do its job

(You can read: A cyberattack has paralyzed major US newspapers).

According to the ‘CNET’ multimedia portal, the short-term solution was to create an alternative website ( that attempts to mitigate the damage already caused. However, it didn’t take long for the next victim to arrive.

Unlike the SCO Group, Microsoft managed to deftly deal with the Mydoom cyberattack on February 3, 2004. The tech giant appears to have used extensive preparation (also knowing that the attack was timed and a reward offered) and careful planning to dodge an attack that could have an unfortunate end.

It should be noted that Mydoom developed two variants, the first of which was discovered on January 26, 2004, and the second was described on February 28, 2004. According to Recovery Labs, the new variant posed a greater danger than its predecessor because it was “designed”. to prevent many antivirus programs from updating properly.

(Also: The virus has shut down the factories of the world’s largest semiconductor manufacturer.)

Mydoom was responsible for the indiscriminate and rapid spread of cyber terrorism in many parts of the world. From the United States to Australia and India, they have been hit by an epidemic that has spread relentlessly between their computers.

A study by the Blackberry Cylance Threat Team revealed that Mydoom’s speed is unmatched, earning it the title of fastest worm in history. As if that wasn’t enough, he also noted that since 16 to 25 percent of all email in the world comes from Mydoom, it caused a global slowdown in internet performance at the moment of greatest victory.

Both its dissemination and removal from the network resulted in the loss of $38 billion millionaires. According to a study conducted by WebFx, an internet marketing service company, in 2004 (just over 160 billion Colombian pesos). Currently, this figure will reach $59 billion – about 260 billion pesos (as of today).

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Source: Exame

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