Thread: MSN virus
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Old 11-26-2006, 04:56 PM   #9 (permalink)
Susan528
Analyst, Security Team
 
Join Date: Nov 2006
Posts: 215
OS: WinXP Pro


Hi forcifer,

You got rid of the rootkit! Please do the following:

Please set your system to show all files; please see here if you're unsure how to do this.

Click on Start>Run and type Services.msc then hit Ok.
Scroll down and find the service called:
Microsoft authenticate service (MsaSvc)
When you find it, double-click on it.
In the next window that opens, click the 'Stop' button.
Then change the 'Startup Type:' to 'Disabled'.
Now press Apply and then Ok and close any open windows.

Scan with HijackThis. Place a check against each of the following:
O2 - BHO: 888Bar - {C004DEC2-2623-438e-9CA2-C9043AB28508} - C:\Program Files\Common Files\{3CB58F01-0510-1033-0415-051006200001}\888.dll (file missing)
O3 - Toolbar: 888Bar - {C004DEC2-2623-438e-9CA2-C9043AB28508} - C:\Program Files\Common Files\{3CB58F01-0510-1033-0415-051006200001}\888.dll (file missing)
O4 - HKLM\..\Run: [explorer] C:\WINDOWS\system32\winstall.exe
O23 - Service: Microsoft authenticate service (MsaSvc) - Unknown owner - C:\WINDOWS\system32\msasvc.exe (file missing)

Close all windows or browsers except for Hijackthis. Click on Fix Checked when finished and exit HijackThis.

Reboot into Safe Mode: please see here if you are not sure how to do this.

Using Windows Explorer, locate the following files/folders, and delete them (if they exist)
C:\WINDOWS\system32\winstall.exe<=file
C:\WINDOWS\system32\msasvc.exe<=file

Exit Explorer, and reboot as normal afterwards.

Now run this online scan using Internet Explorer:
Kaspersky Online Scanner from http://www.kaspersky.com/virusscanner


Next Click on Launch Kaspersky Online Scanner

You will be prompted to install an ActiveX component from Kaspersky, Click Yes.
  • The program will launch and then begin downloading the latest definition files:
  • Once the files have been downloaded click on NEXT
  • Now click on Scan Settings
  • In the scan settings make that the following are selected:
  • Scan using the following Anti-Virus database:
  • Standard
  • Scan Options:
  • Scan Archives
  • Scan Mail Bases
  • Click OK
  • Now under select a target to scan:
  • Select My Computer
  • This will program will start and scan your system.
  • The scan will take a while so be patient and let it run.
  • Once the scan is complete it will display if your system has been infected.
  • Now click on the Save as Text button:
  • Save the file to your desktop.
Copy and paste that information from Kapersky in your next post.


Post (reply) with a fresh HijackThis log and the Kapersky log.
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Last edited by Susan528; 11-26-2006 at 04:58 PM.
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