This is part of the toolbar from the lop plus! sponsor :
Vendor:istbar
Category:Malware
Object Type:RegValue
Size:16 Bytes
Location:...\software\microsoft\internet explorer\toolbar\webbrowser "{5F1ABCDB-A875-46C1-8345-B72A4567E486}"
Last Activity:23-11-2004
Risk Level:Low
TAC index:6
Comment:"{5F1ABCDB-A875-46C1-8345-B72A4567E486}"
Description:Browser Hijacker. Opens pop up ads. Auto updates. Installs other items without notice.
Is this true : Installs other items without notice? I don't think it is but still ....
.
Other than that on other occasions Ad-Aware SE states that the toolbar is Hijacking the browser.