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HijackThis™ is a free utility which quickly scans your Windows computer to find settings that may have been changed by spyware, malware or other unwanted programs. HijackThis creates a report, or log file, with the results of the scan.

Chkrootkit is a Linux tool to locally check for signs of a rootkit. It contains:

Kaspersky Lab has developed the TDSSKiller utility that allows removing rootkits.

What is it? In three words, Cuckoo Sandbox is a malware analysis system.In other words, you can throw any suspicious file at it and in a matter of seconds Cuckoo will provide you back some detailed results outlining what such file did when executed inside an isolated environment.Malware is the swiss-army knife of cybercriminals and any other adversary to your corporation or organization.In these evolving times, detecting and removing malware artifacts is not enough: it's vitally important to understand how they operate in order to understand the context, the motivations and the goals of a breach, for better protecting in the futureCuckoo Sandbox is a free software that automated the task of analyzing any malicious file under Windows, OS X, Linux, and Android. »

Image Hijacker is a small and easy to use application that allows you to run a program via another one to hide it from prying eyes.

Rootkit Hunter is a Linux scanner for rootkits, backdoors and local exploits by running tests like:

aswMBR is the rootkit scanner that scans for TDL4/3, MBRoot (Sinowal), Whistler and other rootkits.

OTL by OldTimer is a flexible, multipurpose, diagnostic, and malware removal tool. It's useful for identifying changes made to a system by spyware, malware and other unwanted programs. It creates detailed reports of registry and file settings, and also includes advanced tools and scripting ability for manual removing malware.

RootkitRevealer is an advanced rootkit detection utility. It runs on Windows NT 4 and higher and its output lists Registry and file system API discrepancies that may indicate the presence of a user-mode or kernel-mode rootkit. RootkitRevealer successfully detects many persistent rootkits including AFX, Vanquish and HackerDefender.

Vba32 AntiRootkit is designed to analyze the computer for the anomalies that arise due to the presence of malware in the system. Due to this, you will be able to detect and neutralize both the known and unknown viruses that are present in your system in active state. This program is a good assistant in the work of a specialist struggling with complicated infections.

IceSword - Rootkit Indentification Software

Infected with a virus? Unsure whether your existing antivirus software has detected and removed it? Still having problems and unsure where to turn to next? Sophos Virus Removal Tool can help.

Scan for hidden files, registry entries, processes, services, drivers, kernel code patches, ports, operating system service hooks, and Master Boot Record (MBR) rootkits. Clean or remove hidden files, registry entries, and services.