Resentment.A is a worm whose aim is attempting to send an email message to a certain address indicating that two employees of a certain company should be fired.

Additionally, it also modifies the caption of the Internet Explorer windows and the Internet Explorer start page, changing it to another website similar to the one displayed when a 404 error page not found is produced.

Resentment.A reaches the computer in a file that has the icon belonging to a Windows folder. It spreads through shared and mapped drives, making copies of itself in them.

Technical details can be found at this Panda Software page.