Malwarebytes researchers have spotted a new and rather malicious variant of the 2-year-old VirLocker malware. The polymorphic nature of this ransomware makes it hard to detect using conventional techniques because it constantly changes its form. Victims can trick this particular version of the malware into thinking that a ransom has been paid. The malware is designed to spread rapidly, so its important to isolate an infected machine before attempting to repair it. The researchers recommend backing up critical files and erasing the infected hard disk.”]
Source: https://securityintelligence.com/news/new-virlocker-ransomware-is-easily-fooled/