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W32.Pykspa.D

Reported: September 10, 2007

 

 

Description:

W32.Pykspa.D propagates via Skype Instant Messenger and removable media drives. It also disables access to security-related Web sites by modifying the hosts file and disables security-related process on the infected computer.
 

Technical Name: W32.Pykspa.D, WORM_SKIPI.A, W32/Pykse.worm.b

 

Threat Level: Low

 

Type: Worm

 

Systems Affected: Windows All

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HOW TO REMOVE W32.Pykspa.D:

1. Temporarily Disable System Restore (Windows Me/XP). [how to]

2. Remove all the entries that the risk added to the hosts file.

a) Navigate to the following location:
for Windows 95/98/Me:
%Windir%


for Windows NT/2000/XP:
%Windir%\System32\drivers\etc

b) Double-click the hosts file.
c) If necessary, deselect the "Always use this program to open this program" check box.
d) Scroll through the list of programs and double-click Notepad.
e) When the file opens, delete all the entries added by the risk. See sample of Clean Windows Hosts File
f) Close Notepad and save your changes when prompted.

 

3. Update the virus definitions.

4. Reboot computer in SafeMode [how to]

5. Run a full system scan and clean/delete all infected file

6. Delete/Modify any values added to the registry. [how to edit registry]

Navigate to and delete the following entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

\"Services Start" = "mshtmldat32.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

\"Windows Sys" = "explorer.exe mshtmldat32.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

\"Logon Settings" = "mshtmldat32.exe

Navigate to and delete the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\RMX\cfg
 

7. Exit registry editor and restart the computer.

8. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.

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