Facebook spam application is being spread.

1. Introduction

Various type of information are being shared via SNS(Social Network Service).
Some of shared information are suspicious and can cause damage Facebook user.
With a booming of spam on Facebook's wall, Facebook users need to be careful on allowing its application.

Recently reported spreading case can re-spread the post itself by clicking link inserted on post.

2. Spreading path and symptoms of infection

It posts widget type post such as "CHAT DE AMIGOS", "Grupo de Amistad" and induces user to click.

Clicking the post will ask for permission and shows page as following.

Clicking "ENTRAR" will spread the same post to victim's friend and will try to change homepage of victim's web browser.

http://yacteka.net/

If a victim agreed to be allowed by app, that Facebook application(Grupo) will be installed and Flash game will be run. Even if additional damage case hasn't been reported so far, users need to be careful on using.

If you installed one of those applications, you can remove it as following instruction.

* How to remove Facebook application.

A. "Privacy settings" -> "Apps and Websites".

B. Click "Edit Settings" of Apps and Websites

C. Click "x" on which you want to remove.

3. How to prevent

To use PC safely from security threats of these malicious applications, we recommend following "Security management tips" for general users.

Security management tips

1. Maintain the latest security update on OS and applications
2. Use anti-virus SW from believable security company and keep updating the latest engine and using real time detecting function
3. Do not see and download attached file from suspicious e-mail.
4. Keep caution to link from instant messenger and SNS.
5. Execute downloaded file after scan with anti-virus SW.

INCA Internet (Security Response Center / Emergency Response Team) provides diagnosis/treatment function with nProtect Anti-Virus/Spyware for detecting such as malicious file stated above and runs responding system against various security threats.