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Long going Trojan/Worm/Virus battle


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#1 echang86

echang86

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Posted 06 November 2008 - 12:40 PM

I had a trojan attack on Monday, by opening an .exe file I shouldn't have opened (some "codec" trojan). For the past few days I have been trying numerous different methods of getting rid of it. I am running Windows XP. Unfortunately I do not remember any name of the trojans. Here are the methods I've tried:

Attempt 1: Remove with AVG.
AVG reported that I have 5 different trojans. I did a complete system scan and tried to remove it through there, unfortunately it couldn't.

Attempt 2: Remove with AVIRA.
I've heard very positive things about this AV program, so I hoped that it could help with my situation. I did a system scan, and it came up with 12 different infections. Unfortunately AVIRA could not "Delete" or "Quarantine" these malware files. Everytime it did, it would just come back again.

Attempt 3: Reformat infected partition on drive.
I backed up the important files on my external, and then did a system reformat on the infected partition of the drive. After that I installed AVG and AVIRA again. Bad news: there were still infected files. Good news: we're now down from 12 to 2.

Attempt 4: Complete reformat.
I ended up deleting the partitions, and doing a complete reformat of the drive. Upon completion of reinstalling WINDOWS XP, my drivers, and etc. I installed Avira and AVG again. Still stuck with the same problem.

Attempt 5: Reboot in safe mode.
Tried rebooting in safe mode and removing with AVIRA program. Nothing came up on the scanners. Rebooted in normal mode still nothing on the scnanners. And then I opened World of Warcraft (WoW), and it would not let me login to my account warning me that a trojan was detected on my computer and that it could compromise my security. WoW reported that it detected something like trojan.agent32. I can't remembeer the exact name at this point.

Attempt 6: Remove with Kaspersky.
Met a programmer in my English lecture at school, he recommended this program. Upon installation of Kaspersky it required me to uninstall AVG. At this point I was desperate so I went through with it. Kaspersky scan picked up 5 worms, 2 trojans; and successfully removed all 7.

Attempt 7: Remove with Norton.
I tried running WoW again, and unfortunately the same warning sign came up again. Ran a scan with Kaspersky and nothing showed up the radar. So then I decided to give Norton a trial run. Unfortunately nothing showed up on its scanners either.

Attempt 8: Complete reformat again.
After action review is still pending, as I am currently in the process of nuking my hard drive.


At this point, I am completly lost. I don't know the next step. What would you guys recommend?



*P.S. Sorry for the long winded post... I really do appreciate all the time you take to read this.

Edited by echang86, 06 November 2008 - 12:41 PM.


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#2 boopme

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Posted 06 November 2008 - 11:12 PM

Hello and welcome, First do you have two Antivirus programs activly running,AVG and AVIRA..this will cause problems and false positives. Please turn one off. then run this MBAM scan.

Please download Malwarebytes Anti-Malware and save it to your desktop.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
  • MBAM will automatically start and you will be asked to update the program before performing a scan. If an update is found, the program will automatically update itself. Press the OK button to close that box and continue. If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install.
  • On the Scanner tab:
    • Make sure the "Perform Quick Scan" option is selected.
    • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
  • Back at the main Scanner screen, click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes, they may alert you after scanning with MBAM. Please permit the program to allow the changes.
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