here is the fix
"b.exe could be malware run (free):
http://download.cnet.com/Malwarebyte...-10804572.html
As for your worms:
1. turn off system restore
2. turn off UAC
3. re boot into safe mode with networking & do a free online scan:
http://www.bitdefender.com/scanner/online/free.html
4 re boot if clean turn on system restore & UAC."