Silly Worm.VBS - PICA.A Worm
What is it and How Do I Protect Myself?

What is the VBS.PICA.A Worm?
Here's another Visual Basic Script that send itself through Microsoft Outlook. It only sends out the attachment to all the contacts in the user's address book once, but this is enough to spread the worm rapidly and infect many machines. Although it doesn't cause any real damage, it spreads in the same way as the ILOVEYOU virus, Happy 99, and Pretty Park worms.

How Do I Remove the Sillyworm.vbs file?

You'll have to edit the Windows registry to remove the worm. Follow these instructions to remove it from your system.

1) Click on Start, Run, Type in the word REGEDIT and press Enter
2) Go to the following section of the Registry

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Run

3) Delete the file "SysBoot"

4) Now proceed to the following section of the Registry


5) Find and delete the file "SillyWorm"

6) Close the Registry Editor and go to Start, Find, Files and Folders, search for sillyworm.vbs and delete all occurences of the file.

7) Update your anti-virus product

Now, read my article on how to protect yourself from viruses like this or visit the

PC Hell Virus Center


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