MBRCheck!

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.

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. »

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.