Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
It monitors the affected user's Internet browsing habits.
It generates a large amount of network traffic activity with the consequent consumption of bandwidth.
It uses stealth techniques to avoid being detected by the user.
, through instant messaging.
|First detected on:||Feb. 22, 2010|
|Detection updated on:||Feb. 22, 2010|
Koobface.JA is a worm that spreads by copying itself, without infecting other files.
It captures certain information entered or saved by the user, with the corresponding threat to privacy:
user's browsing habits.
- In the local network:
it generates a large amount of network activity and consumes bandwidth.
Koobface.JA prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).
It uses stealth techniques to avoid being detected by the user:
- It uses techniques included in its code to hide itself while it is active.
- It deletes the original file from which it was run once it is installed on the computer.
Koobface.JA uses the following propagation or distribution methods:
- Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
- Instant messaging: it sends links pointing to a copy of itself to all users included in the infected user's contacts list.