This tool arrives on your PC as part of the code of a malicious Chrome browser extension.
When you try to visit the Chrome Extensions page, VirTool:JS/Redichrextor.A redirects to a different page or website. This means you can't view or remove any Chrome browser extensions.
We have seen this tool redirect to the following legitimate pages:
Analysis by Jonathan San Jose
Alerts from your security software may be the only symptom.