PWSteal is not the name of a virus, but a name used by Symantec's Norton
Anti-Virus when it thinks it may have found a password stealing trojan
You may like to re-scan your system with Sophos Anti-Virus - if it is a
virus or trojan horse that Sophos knows about it will tell you its correct
However, according to postings on the internet Norton Anti-Virus has been
incorrectly identifying files as PWSteal when they are in fact not
We recommend you contact Symantec technical support to verify if you are
experiencing a Norton Anti-Virus false alarm.