rogue

And meet time it was, when yon usher, vinegar-faced rogue that he is, began to inquire what popish trangam you were wearing […]

Ah, you sweet little rogue, you!

An entry in the Microsoft Malware Protection Center's Threat Research & Response Blog shows that rogue AV, also known as scareware, is ruling the malware roost, as 6 top of the 10 malicious programs removed by the MSRT (Malicious Software Removal Tool) in the US in October were 'rogues'.

Maintaining varieties also requires selection, however. It's usually referred to as culling or roguing. ...we examine the [plant] population and eliminate the occasional rogue.