HijackThis!

Spybot - Search & Destroy detects and removes spyware, a relatively new kind of threat not yet covered by common anti-virus applications.

Zemana AntiMalware adds additional layers of security. It is a second opinion malware scanner designed to rescue your computer from malware that have infected your computer despite all the security measures you have taken.

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.

SlimCleaner is a freeware PC maintenance program that uses crowd-sourced feedback to make up-to-date optimization recommendations for users. In many ways it's like other cleaning apps. It includes a windows database cleaner, a privacy protector, junk cleaner, a file shredder, and management tools that let users control services and startup items. What's different is that it uses a constant link to a cloud-base to make individualized profiles of user computers, a process that enables SlimCleaner to make optimization recommendations that aren't one-size-fits-all, but specialized to fit the needs of the user. »

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. »

ESET SysInspector is a free, state of the art diagnostic tool for Windows systems. It is also an integral part of ESET Smart Security 4 and ESET NOD32 Antivirus 4. It peers into your operating system and captures details such as running processes, registry content, startup items and network connections. Once a snapshot of the system is made, ESET SysInspector applies heuristics to assign a risk level for each object logged. Its intuitive graphical user interface enables the user to easily slice through the large volume of data using a slider to select objects of a particular color coded risk level for closer examination. ESET SysInspector is a convenient utility for the tool box of every IT expert and first responder. »

Emsisoft HiJackFree is an system analysis tool to detect and remove any kinds of HiJackers, Spyware, Adware, Trojans and Worms.

GMER is an application that detects and removes 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.

Runscanner is freeware combining the power of hijackthis, autoruns and other spyware, malware, junk scanners.

Functional

Spy Emergency is anti-spyware, anti-trojan and anti-spam software that fast and secure removes spyware and other internet infections from your computer. With its intuitive user interface, spyware removal is very simple for every user.

"OSAM" (Online Solutions Autorun Manager) is a powerful and reliable tool for controlling the ‘cleanliness’ of components and applications that are automatically loaded or started under certain conditions without user’s consent.

MBRCheck identifies infected Master Boot Records (MBR).