Printer malware – Wingdings gone wild

By , ITworld |  Security, malware, printers

paper stacks

flickr/FeatheredTar

Windows systems infected with Trojan.Milicenso are spitting out pages with random wingdings on thousands of printers.

Yes, printers can be attacked by malware, as detailed in "Trojan.Milicnso: A Paper Salesman’s Dream Come True" from Symantec. Executable files are being fed to printer spool directories, making infected printers spew out pages with random wingding font characters.

The apparent intention of the malware is to serve up random ads for revenue, not mangle your printer. But that's small comfort when you see paper spewing out. Look for new malware patches targeted to eradicate Trojan.Milicenso, reboot your printer, and cross your fingers.

Malware

Loud obvious obnoxious malware is fun. Quiet undetectable malware is scary.
Dilbert on arstechnica.com

I experienced this firsthand, but as someone stuck waiting for a proper printout, not as a directly infected victim.
Moebiusloop on zdnet.com

Beware fax spam! Printer malware is coming for your market.
Bright Wire on arstechnica.com

Users

So, people don't know how to turn off or unplug a printer? They just wait until it's done printing reams of gibberish?
Hoos on arstechnica.com>

Just shows that corporations need to work in reducing printer use.
Boskone on arstechnica.com

Mi printr prnts gibrish cause i are a doofus, caint spel and my grammer is reely bad.
HamLoring on cnet.com

Fun time

Unfortunately this is mostly indistinguishable from normal printer behavior.
Eriden on arstechnica.com

Looks like Dwight Schrute found a way to increase sales at Dunder-Mifflin...
Shoes58 on cnet.com

The first time I saw this one was...in 1980 on a DEC TOPSystem 20. The boffins learned how to send a message to all the teletype terminals that would spit out the entire box of paper from under the machine. Back then all you needed was
to eject the page.
Tony Burzio on zdnet.com

Scary thought: if this malware didn't malfunction, would anyone have discovered it yet?

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