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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Mydoom.J

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Mydoom.J
Technical name:W32/Mydoom.J.worm
Threat level:Low
Type:Worm
Effects:  

It opens the Notepad and displays junk data. It spreads via e-mail and through the peer-to-peer (P2P) file sharing program KaZaA.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

Detection updated on:April 20, 2004
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Mydoom.J is a worm that spreads via e-mail in a message with variable characteristics, and through the peer-to-peer (P2P) file sharing program KaZaA.

In addition, Mydoom.J uses a Dynamic Link Library (DLL) that has already been used by Bugbear.B. This library was detected by Panda Antivirus as Trj/PSW.Bugbear.B.

Visible Symptoms 

    

Mydoom.J is easy to recognize once it has affected the computer, as it opens the Windows Notepad (NOTEPAD.EXE) and displays junk data.