Haha.vbs is a joke trojan on Microsoft Windows. It tells the user that they have a virus on their computer, even if a virus isn't actually present.

It speaks these lines of text:

Ha, you have a virus ha

It will then give the user an inescapable window that says:

Haha you have a virus


  • Open Task Manager
  • Kill the process

The user should take note that the their antivirus may detect it as a suspicious file and quarantine it.