"Tip of the Day” Popup er et trojannavn, der påstår, at din maskine er inficeret med "Tip of the Day” Popup. Hvis du klikker på advarslen, vil den føre dig til en hjemmeside, der forsøger at narre dig til at købe Extra Antivirus eller andre lignende uregerlige anti-spyware programmer. Bemærk at disse trojannavne ikke er ægte og ikke eksisterer. Den mulige fejlbesked kan se sådan her ud: ”Kritisk System Fejl! Din browser er blevet kapret af:

“Tip of the Day. This is very important advise. Please do not hesitate to use it.
Use passwords and encrypt sensitive files. Passwords and other security features
add layers of protection if used appropriately. By encrypting files, you ensure
that unauthorized people can’t view data even if they can physically access it.
You may also want to consider options for full disk encryption, [sic]“

“Tip of the Day. This is very important advise. Please do not hesitate to use it.
Keep software up to date. Install software patches so that attackers
cannot take advantage of known problems or vulnerabilities (see
Understanding patches for more information). Many operating systems
offer automatic updates. If this option is availible, you should turn it on."