Windows 2003/XP/2000/NT/ME/98/95/3.X; IIS

Rizalof.FI is a worm that spreads by copying itself, without infecting other files.

Rizalof.FI prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).

Rizalof.FI redirects attempts to access web pages of certain banks to spoofed pages, with the aim of logging information entered by the user in these pages.

Rizalof.FI redirects attempts to access several web pages to a specific IP address.

Rizalof.FI 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.
• Via Internet, exploiting remote vulnerabilities: attacking random IP addresses, in which it tries to insert a copy of itself by exploiting one or more vulnerabilities.