McAfee Labs Rootkit Remover is a free stand-alone product that scans your computer for Rootkits and attempts to remove them. This version of Rootkit Remover is limited as it only detected and removes the ZeroAccess and TDSS family of rootkits.
The Sophos Virus Removal Tool is a stand-alone program that allows you to perform a quick scan of your computer for computer viruses. If any infections are found it will attempt to remove them for free. As this program only scans your computer and remove any infections it finds, it can be used even if you have another anti-virus product installed.
Trend Micro RootkitBuster is a program that will scan your computer for Rootkits. This scanner will scan for rootkits that are using the latest technology including Master Boot Record (MBR) infections.
RootRepeal is a rootkit scanner that scans for kernel-mode drivers, whether they are hidden, or if the driver file is hidden on disk. It also has the ability to look for hidden files, hidden process, SSDT hooks, hidden services, and stealth objects.
RootkitRevealer is a rootkit scanner from Microsoft Sysinternals. This program will search for user-mode or kernel-mode rootkits and list any API discrepancies that are found.
TCPView is a handy little program that allows you to see the network activity on your computer. When run, you will be able to see what remote devices or computers that your individual programs are communicating with as well as what programs are waiting for connections.
FixExec is a program that is designed to fix executable file associations for the .bat, .exe, and .com file extensions. If the program detects any of these associations are missing, changed, or hijacked, the settings will be set back to the original Windows defaults. When file associations for batch, executable, or COM files are changed it could cause your executables to no longer start. If you are looking for FixNCR.reg, this file replaces FixNCR with greater functionality.