Thread: Netsky/Prorat
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Old 07-29-2006, 11:52 PM   #4 (permalink)
tetonbob
Manager, Security Center, TSF Academy; Analyst, Security Team
 
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Join Date: Jan 2005
Location: Transylvania County, North Carolina, USA
Posts: 35,691
OS: 2000 Pro; XP Pro; XP Home


Download Pocket Killbox and unzip the exe file to your desktop.

Launch KillBox.exe & select the following options:
  • delete on Reboot
  • All files (if available)
Use your mouse to select all the filenames highlighted in blue & then right-click & select Copy
  • C:\WINDOWS\services.exe
    C:\WINDOWS\system32\fservice.exe
    C:\WINDOWS\system32\reginv.dll
* Go to the File menu, and choose Paste from Clipboard
* Click the RED X button.
* Click Yes at the Delete on Reboot prompt.
* Click Yes at the 'Pending Operations prompt'.

Once the system has restarted.....back in normal windows:

Open HijackThis and click on 'Do a System Scan Only'. Check the following entries if they exist (make sure you do not miss any) and click Fix Checked

F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\system32\fservice.exe

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You still have no AntiVirus protection. You must put protection on this system, or any help I give you now will be for naught.

I see no evidence of an AntiVirus program on your system. This must be resolved. Here are two very good free Antivirus products which are available:Select one of these, or another of your choice. Download, install, update definitions, and run a full system scan.

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* Download Dr.Web CureIt to the desktop:
ftp://ftp.drweb.com/pub/drweb/cureit/drweb-cureit.exe
  • Doubleclick the drweb-cureit.exe file and Allow to run the express scan
  • This will scan the files currently running in memory and when something is found, click the yes button when it asks you if you want to cure it. This is only a short scan.
  • Once the short scan has finished, mark the drives that you want to scan.
  • Select all drives. A red dot shows which drives have been chosen.
  • Click the green arrow at the right, and the scan will start.
  • Click 'Yes to all' if it asks if you want to cure/move the file.
  • When the scan has finished, look if you can click next icon next to the files found:
  • If so, click it and then click the next icon right below and select Move incurable as you'll see in next image:

    This will move it to the %userprofile%\DoctorWeb\quarantaine-folder if it can't be cured. (this in case if we need samples)
  • After selecting, in the Dr.Web CureIt menu on top, click file and choose save report list
  • Save the report to your desktop. The report will be called DrWeb.csv
  • Close Dr.Web Cureit.
  • Reboot your computer!! Because it could be possible that files in use will be moved/deleted during reboot.
  • After reboot, post the contents of the log from Dr.Web you saved previously in your next reply.

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Open Hijack This and click on 'Do a System Scan and save a Logfile'. Save the log file and post it here.

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Please return with results from:

DrWeb
HJT
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