Windows Defender detects and removes this threat.

This malware family is well known for being tricky to detect and remove because of its file-less design after infection. They infect your PCs so malware perpetrators can perform click-fraud and install additional malware on your machines. 

A trojan is a type of malware that can’t spread on its own. It relies on you to run them on your PC by mistake, or visit a hacked or malicious webpage.

They can steal your personal information, download more malware, or give a malicious hacker access to your PC.

You can read more about this threat on the Microsoft Malware Protection Center (MMPC) blog: 

• Improved scripts in .lnk files now deliver Kovter in addition to Locky
• Kovter becomes almost file-less, creates a new file type, and gets some new certificates
• Large Kovter digitally-signed malvertising campaign and MSRT cleanup release

Find out ways that malware can get on your PC.