Remove W32.Patoo. Description and removal instructions

 
Title: W32.Patoo

Type: Worms
Severity scale:W32.Patoo severity is 60  (60 / 100)
 
W32.Patoo@mm is a worm that tries to email itself to all the contacts in the Microsoft Outlook Address Book.
The email looks like this:
Subject: hey..
Attachment: Stop Messenger Popups

Note: While the attachment name is displayed as Stop Messenger Popups, the attachment is actually the original filename (most likely msngrblock.exe) of the worm. This is accomplished by modifying the label of the attachment in an attempt to deceive the recipient.


W32.Patoo properties:
• Allows remote user connection
• Hides from the user
• Stays resident in background

Automatic W32.Patoo removal:

remover for W32.Patoo

W32.Patoo manual removal:

Delete registry values:
Browse to the key:
'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
Delete the value: 'Messenger Block'='C:\windows\msngrblock.exe'
Browse to the key:
'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ RunServices'
Delete the value: 'Messenger Block'='C:\windows\msngrblock.exe'
Browse to the key:
'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ RunOnce'
Delete the value: 'Messenger Block'='C:\windows\msngrblock.exe'

Browse to the key:
'HKEY_CLASSES_ROOT\exefile\shell\open\command'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_CLASSES_ROOT\comfile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_CLASSES_ROOT\batfile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_CLASSES_ROOT\htafile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_CLASSES_ROOT\piffile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_LOCAL_MACHINE\Software\CLASSES\exefile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_LOCAL_MACHINE\Software\CLASSES\comfile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_LOCAL_MACHINE\Software\CLASSES\batfile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_LOCAL_MACHINE\Software\CLASSES\htafile\shell\open\command\'
Replace current value with this: '%1' %*
Browse to the key:
'HKEY_LOCAL_MACHINE\Software\CLASSES\piffile\shell\open\command\'
Replace current value with this: '%1' %*

Other programs to remove W32.Patoo:

• Malwarebytes Anti Malware - Review - Download
• Malwarebytes Anti Malware - Review - Download
• Windows Defender - Review - Download

Information added: 19/03/04
Information updated: 09/04/04

Additional resources related to W32.Patoo:

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