Hello richardz
Please read and follow the instructions provided here:
Pre- HJT Post InstructionsWhen ready please post your logs here:
Malware Removal - HijackThis LogsSomeone will be happy to assist you further with cleaning your system.
During this scan and cleanup process you should not install any other software unless requested to do so.
ps. It would be wise to remove your companys email address due to spammers look for this in forums.