SoFunny Worm

What Does SoFunny Worm Mean?

The SoFunny Worm is a Trojan horse with worm capabilities that steals user passwords. This worm was discovered in 2001 and infected AOL users by replicating through AOL software. When the worm is executed it retrieves the user’s AOL login information. The worm may also send out infected emails to the user’s contacts.


Techopedia Explains SoFunny Worm

There are two versions of the SoFunny Worm:

  • W32.SoFunny: Copies itself as WindowsMicrosoft420.exe. Affects Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP. This version uses the attachments “Microsoft420.exe” or “NASTY.exe.”
  • W95.SoFunny: It copies itself as WindowsMsdos423.exe. It will not run under Windows 2000/NT. Uses the attachments “Sofunny.exe” and “Love.exe.”

The SoFunny Worm is now considered a low risk threat as it can be caught by virtually any updated anti-virus system.


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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…