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something is trying hard to take over my computer


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#1 mbs85743

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Posted 08 October 2008 - 05:53 PM

1) It started trying to change the program that executes .scr files
2) It has tried to update my host file
3) Now it is trying to update my registry file

All the changes seem to include %1%*
I have jpgs, but I am not sure how to insert them.

Any help would be much appreciated

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#2 boopme

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Posted 08 October 2008 - 08:33 PM

Hello and welcome.Tell us is this an XP machine? What Antivirus and spywaer tools are installed. Have you run a scan with them/
please run this MBAM tool.

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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#3 mbs85743

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Posted 09 October 2008 - 08:12 AM

Yes this is a XP machine with sp3
I have spysweeper and spyware detector along with win patrol installed.
I have run both of them
spyware detector found Backdoor.bifrose, worm.spybot, packed.pepatch.
It said it removed them, but no change in problem

Malwarebytes log did not find any malicious objects

Malwarebytes' Anti-Malware 1.28
Database version: 1246
Windows 5.1.2600 Service Pack 3

10/9/2008 6:08:12 AM
mbam-log-2008-10-09 (06-08-12).txt

Scan type: Quick Scan
Objects scanned: 57702
Time elapsed: 2 minute(s), 53 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

Thanks for your help
Mike

#4 mbs85743

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Posted 09 October 2008 - 08:34 AM

This is what spyware detector found

Spyware Name Threat Type Threat Action
Backdoor.Bifrose Registry Value hkey_local_machine\software\microsoft\windows\currentversion\app paths\hijackthis.exe\"path" Scan
Backdoor.Bifrose Registry Key hkey_users\s-1-5-21-583907252-412668190-725345543-1003\software\wget Scan
Worm.SpyBot Registry Key hkey_users\s-1-5-21-583907252-412668190-725345543-1003\software\kazaa Scan
Worm.SpyBot Registry Key hkey_users\s-1-5-21-583907252-412668190-725345543-1003\software\kazaa\localcontent Scan
Packed.PePatch Fix: Registry Data hkey_local_machine\system\currentcontrolset\services\bits\parameters\servicedll\"%systemroot%\system32\qmgr.dll" | c:\windows\system32\qmgr.dll Scan

#5 boopme

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Posted 09 October 2008 - 07:14 PM

Your PC also had a Backdoor trojan,Backdoor.Bifrose
This Trojan allows for its author to control a computer by using the Internet .The Trojan can update itself by checking for newer versions on the Internet.

Your PC is very likely compromised and there is no way to be sure your computer can ever again be trusted. Many experts in the security community believe that once infected with this type of Trojan, the best course of action would be a reformat and reinstall of the OS. Even though the infection has been identified and quarantined all financial,password and account numbers that were stored on this PC should be considered stolen and changed.

When Should I Format, How Should I Reinstall?

We will help you clean this PC but that would be a decision you have to make and there is no promise of future security without the format. Let us know how you wish to proceed.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook




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