You can easily detect ANY type of rootkits/bootkits.
1. Create "collation file" in infected system. (Menu Rootkits)
2. Boot from Flash/DVD/CD to WindowsPE 1.x-3.x (3.x recommended)
3. Select offline Windows Root and run.
4. Use "collation file" to detect rootkits.
5. Kill suspicious files if needed.
6. Additionally you can check digital signatures of system files 
   (Don't use for signature checking BartPE/WinPE 1.x)
