Koobface is a type of malware that targets social media platforms, particularly Facebook. It spreads through fake messages, friend requests, and video links, tricking users into downloading the malicious software. Once installed, Koobface gains access to the victim’s personal information and can also use their account to continue spreading the malware to others.


The phonetic pronunciation of “Koobface” would be: /ˈkuːbfeɪs/

Key Takeaways

  1. Koobface is a computer worm that targets social media platforms such as Facebook, Twitter, and Skype, spreading through messages or posts containing malicious links.
  2. Once infected, Koobface can take control of the user’s account, send spam, and install additional malware to collect personal information and sensitive data, leading to identity theft and financial loss.
  3. To prevent Koobface infections, users should be cautious about clicking on suspicious links, regularly update their computer operating system and antivirus software, and maintain strong, unique passwords for each online account.


Koobface is an important technology term because it refers to a notorious computer worm that targets social networking sites like Facebook and MySpace.

Its name is an anagram of “Facebook” and first emerged in 2008, making headlines for its rapid spread and ability to compromise users’ personal data.

By tricking victims into clicking malicious links or downloading fake software updates, Koobface gains access to their accounts, spreading itself to their friends and contacts, and potentially stealing sensitive information.

This malicious software underlines the significance of enhancing cybersecurity measures and awareness for both individual users and social media platforms to protect against such threats.


Koobface is a notorious form of computer malware, specifically designed to target users of popular social media websites such as Facebook, Twitter, and MySpace, among others. Its primary purpose is to spread itself across a user’s network of friends and contacts by sending seemingly innocuous messages with links that appear to be from a trusted source. The links, however, lead to compromised websites that host the Koobface malware.

Clicking on these links usually prompts an installation of the malware onto the user’s computer. Once installed, Koobface gains unauthorized access to the user’s personal information and uses the infected account to distribute itself further. Additionally, it can also grant remote access to the cybercriminals behind the malware, giving them control over the infected device and the ability to install other malicious software.

Apart from spreading itself across various social media platforms, Koobface is utilized to generate profit for its creators in various ways. One of the malware’s key features involves its ability to transform the infected computer into a part of a botnet, a network of compromised devices controlled by the cybercriminals. These botnets are often rented out to other malicious actors for purposes such as launching Distributed Denial of Service (DDoS) attacks, stealing sensitive information, and generating fake clicks on online advertisements.

Furthermore, Koobface may install adware and spyware onto the compromised device to collect further information on users, inundate them with unwanted advertisements, and perpetuate phishing scams. In essence, Koobface is a versatile and widespread malware which poses significant security threats to unsuspecting social media users.

Examples of Koobface

Koobface is a computer worm that targets users of social networking sites such as Facebook, Twitter, and MySpace. It spreads by sending messages over these networks with links to malicious websites. Here are three real-world examples of Koobface incidents:

In 2008, Koobface was first identified when it began spreading through Facebook via private messages and wall posts. Users received a message from friends with a link that appeared to be a video. When the victim clicked the link, they were prompted to download a “missing codec” which was, in fact, the Koobface malware. The infected users’ account details were then used to send messages to their friends’ lists, allowing the worm to spread further.

In 2009, Koobface increased its activities with an attack known as the “Koobface Christmas Campaign,” where the worm sent messages pretending to be people from the victim’s friend list, luring users into clicking on a malicious link. The link led to a fake YouTube page, asking the user to download a new Flash Player to watch a video. Once downloaded, Koobface infected the user’s computer, and cybercriminals were granted access to personal information and account credentials.

In 2010, Koobface was found spreading via Twitter, using compromised accounts to send direct messages containing shortened URLs. These URLs redirected users to malicious websites, where the victims were prompted to download fake antivirus software that installed the Koobface worm. This incident was notable because it marked the worm’s expansion to another popular social networking platform, illustrating its adaptability and the need for users to be vigilant when interacting on social media.

Koobface FAQ

What is Koobface?

Koobface is a computer worm that targets social networking platforms, such as Facebook, Twitter, and MySpace. It infects users’ computers by spreading malicious links via messages, posts, or tweets. Once a user clicks on the fraudulent link, their computer becomes infected with the worm, which can then spread to their friends and contacts.

How does Koobface spread?

Koobface typically spreads through social engineering techniques. The worm sends messages, posts, or tweets from an infected user’s account to their friends and contacts, containing a malicious link. If a recipient clicks on the link, their computer becomes infected, and the process repeats. The social networking aspect enables Koobface to spread rapidly among online communities.

What are the symptoms of a Koobface infection?

Some common symptoms of a Koobface infection include slowdown of computer performance, intrusive pop-up ads, unauthorized changes to browser settings, and the appearance of unfamiliar icons on the desktop. Additionally, you may notice that your social media account is sending out spam messages without your knowledge or consent.

How can I protect my computer from Koobface?

To protect your computer from Koobface, follow these best practices: 1) Keep your antivirus software and operating system up-to-date, 2) Avoid clicking on suspicious links in messages, posts, or tweets, 3) Be cautious when downloading and installing new software, 4) Regularly scan your computer for malware, and 5) Educate yourself and others about online safety and the risks associated with social engineering attacks.

How can I remove Koobface from my computer?

If you suspect your computer is infected with Koobface, run a comprehensive system scan using a reputable antivirus program. Follow the provided instructions to remove the infection, and ensure your antivirus software and other security measures are up-to-date to prevent future infections.

Related Technology Terms

  • Malware
  • Computer Worm
  • Social Media Attack
  • Cyber Security
  • Anti-virus Software

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