The company's US support team shared an instructional video - which has since been deleted - on Twitter, and the clip showed users that it would take more than a dozen presses on a remote control to access the menu needed to activiate such a check.
The tweet read: "Scanning your computer for malware viruses is important to keep it running smoothy. This also is true for your QLED TV if it's connected to Wi-Fi!
"Prevent malicious software attacks on your TV by scanning for viruses on your TV every few weeks."
The tech giant told BBC News that the video was "posted for customer's education", although the tweet was deleted around the same time.
Security adviser Ken Munro - of Pen Test Partners - has described the video as "pointless advice" and a "wate of time".
He added: "There is a tiny number of known malware that might attack a TV. I've seen one case of a ransomware infection but the prospect of it happening to most users is very small.
"A better solution would be for Samsung to automatically update its operating system for you."