Wise Anti Malware - Free Windows security solution, help you remove virus, malware, phishing, spyware, ransomware (like Petya GoldenEye), trojan, potentially unwanted programs (PUA/PUP), and other kinds of threats.
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
Spybot - Search & Destroy - Spybot Search & Destroy is an anti-malware, adware and antivirus program for safe removal of the threats from the PC and browser.
ComboFix - Combofix is a free anti-malware program developed by sUBs for Windows computers
SUPERAntiSpyware - Superantispyware protects you against malware, ransomware, and spyware. Get started today with free trial and remove Spyware, Rootkits, Spyware, Adware, Worms, Parasite!
IObit Malware Fighter - Free Anti-Ransomware & Malware, removes Windows ransomware like Petya/GoldenEye ransomware & protects PC from spyware, ransomware, adware, trojans, keyloggers, bots, worms, and hijackers.