addclass.exe - Useless
addclass.exe
Manual removal instructions:
Though the code is very different between variants, they are all used to redirect users to coolwebsearch.com and other sites affiliated with its operators.
Suspected to be installed by pop-ups exploiting security holes in IE.
The script may open mostly porn pop-ups if it thinks the page being viewed is porn-related.
Dmitry Sokolov:
I created UnHackMe in 2006 to fix the problem that antivioruses did not fix: detecting rootkits.
Since that time I work every day to fix the issues that antiviruses cannot.
If your antivirus have not helped you solve the problem, you should try UnHackMe.
We are a small company and you can ask me directly, if you have any questions.