Thread: W32.Alcra.B
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Old 11-29-2005, 09:20 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: 35,674
OS: 2000 Pro; XP Pro; XP Home


Download this ISTbar Removal Tool and run it.

The Temp folders should be cleaned out periodically as installation programs and hijack programs leave a lot of junk there. Download CleanUp! (Alternate Link if main link doesn't work) and install it.

*NOTE* Cleanup deletes EVERYTHING out of temp/temporary folders and does not make backups. If you have any documents or programs that are saved in any Temporary Folders, please make a backup of these before running CleanUp! If you have a 64 bit Operating System do NOT run Cleanup and let me know as we will use another utility.

Download Ewido Security Suite
  • Install Ewido Security Suite
  • When installing, under "Additional Options" uncheck..
    • Install background guard
    • Install scan via context menu
  • Double-click the icon on Desktop to launch Ewido
You will need to update Ewido to the latest definition files.
  • On the left hand side of the main screen click update.
  • Then click on Start Update.
The update will start and a progress bar will show the updates being installed.
If you are having problems with the updater, you can use this link to manually update Ewido
When you have finished updating, EXIT Ewido.

Run Cleanup! using the following configuration:

1. Click Options...
2. Set the slider to Standard CleanUp!
3. Uncheck the following:
  • Delete Newsgroup cache
  • Delete Newsgroup Subscriptions
  • Scan local drives for temporary files
4. Click OK
5. Press the CleanUp! button to start the program. Reboot/logoff when prompted.
* CleanUp! will not create any backups!!

Restart your computer and boot into Safe Mode by hitting the F8 key repeatedly until a menu shows up (and choose Safe Mode from the list). In some systems, this may be the F5 key, so try that if F8 doesn't work. Make sure to close any open browsers.

Run a scan in HijackThis. Check each of the following and hit 'Fix checked' (after checking them) if they still exist (make sure not to miss any):

O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/12785b50...p/RdxIE601.cab

Run Ewido with it's updated definitions:(...it's important that all windows must be closed)
  • Click Scanner
  • Click Complete System Scan to begin scanning.
  • Click OK when prompted to clean files
With the first file it prompts to clean, select the option:
  • "Perform action on all infections"
  • .Choose clean and click OK.
Once finished, click the Save report button & save the report to your desktop

** Ewido scan would require at least an hour.

Restart in normal mode.

Download Trend Micro™ Anti-Spyware (by clicking the "Scan and Clean your PC" button).
  • Choose Save, NOT run, and save to your desktop
  • Double-click the tmas-web-scan.exe icon
  • It will say "Loading TrendMicro definitions".
  • Click "Start Scan"
After it's done scanning, click "Scan Results"
  • Make sure all items found have a check next to them, then click "Clean Threats Now".
  • Click Exit.
Reboot your computer. I then need you to repeat the same procedure above again... using the TrendMicro tool. I need the log from the second scan/clean...NOT the first...as this will contain what’s left in the system.

In place of the TrendMicro icon will be a text file called "Antispyware.log", please double-click that log and copy the entire contents and paste them here.


Run a new scan with HJT, and post that log here.

Please return with results from:

Ewido
Antispyware.log
HJT


How is your system behaving now?
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