I have run AAse multiple times, and even after quarantine the Regkey is still there. I have even gone in and manually deleted the key and it just reappears. The key points to c:\Windows\system32\derstg.exe, neither this file or the folder itself even exists on my Win XP Pro system.

Win32.Generic.PWS(TAC index:10):1 total references

Name:Win32.Generic.PWS
Category:Monitoring Tool
Object Type:Regkey
Size:31 Bytes
Location:software\microsoft\active setup\installed components\{53bb2e32-aa1c-c3d4-e6b1-4d235e06055a}
Last Activity:20-07-2006
Relevance:Low
TAC index:10
Comment:
Description:Win32.Generic.PWS records your keystrokes and passwords, transmitting them to a remote server