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Infected with a botnet


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8 replies to this topic

#1 k-Kariya

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Posted 03 September 2009 - 03:31 PM

So a while back I downloaded a program called "R U Botted" that lets me know if my computer has been infected with a botnet. I'm glad I did cuz a couple of months later, a warning came up saying that my computer was infected. The program led me to something called "Trend Micro Housecall" that was suppposed to scan my comp and help me with the botnet, but instead the scan just stopped at about half ways and really didn't do anything. While reading up on bot, i found out that one way to get rid of it was to wipe the computer and reinstall the OS. I didn't have any real problem with this, except for backing up everything, so i went ahead and did just that. The problem is that now it's back. I don't want to keep wiping the comp and reinstalling the OS so is there a way to get rid of it WITHOUT having to do that?

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#2 quietman7

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Posted 03 September 2009 - 09:58 PM

Did the program provide a specific file name associated with the malware threat(s) detection and if so, where is it located (full file path) at on your system?

Please download Malwarebytes Anti-Malware (v1.40) and save it to your desktop.
alternate download link 1
alternate download link 2

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • 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 definition 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. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

-- If Malwarebytes Anti-Malware results in any error messages, please refer to Fixes for common problems and Error Codes. Some issues with errors can be related to malware infection but others are not.
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#3 k-Kariya

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Posted 19 September 2009 - 12:34 AM

I apologize for the delayed response, personal things came up that made it difficult to do much these past weeks. I ran Malwarebytes Anti-Malware and it didn't pick up anything. Here's the log

Malwarebytes' Anti-Malware 1.40
Database version: 2747
Windows 5.1.2600 Service Pack 3

9/18/2009 11:26:45 PM
mbam-log-2009-09-18 (23-26-45).txt

Scan type: Full Scan (C:\|)
Objects scanned: 157240
Time elapsed: 1 hour(s), 2 minute(s), 46 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)

#4 quietman7

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Posted 19 September 2009 - 06:58 AM

Did RUBotted provide a specific file name associated with the malware threat(s) detection and if so, where is it located (full file path) at on your system?
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#5 k-Kariya

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Posted 19 September 2009 - 11:37 AM

It doesn't say anything specific. It just says i'm infected and takes me to the trend micro website to run an online scan that freezes about half ways

#6 quietman7

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Posted 19 September 2009 - 04:27 PM

I'm skeptical of the RUBotted program especially since it does not indicate a file we can confirm as a bot. I have also read reports of various problems with it and Trend Micro says they do not provide free technical support for RUBotted.

Try performing another online scan like Kaspersky Online Virus Scanner.
(Requires free Java Runtime Environment (JRE) to be installed before scanning for malware as ActiveX is no longer being used.)
  • Click on the Posted Image ...button.
  • The program will launch and fill in the Information section ... on the left.
  • Read the "Requirements and Limitations" then press... the Posted Image ...button.
  • The program will begin downloading the latest program and definition files.
    It takes a while... please be patient and let it finish.
  • Once the files have been downloaded, click on the Posted Image ...button.
    In the scan settings make sure the following are selected:
    • Detect malicious programs of the following categories:
      Viruses, Worms, Trojan Horses, Rootkits
      Spyware, Adware, Dialers and other potentially dangerous programs
    • Scan compound files (doesn't apply to the File scan area):
      Archives
      Mail databases
      By default the above items should already be checked.
    • Click the Posted Image ...button, if you made any changes.
  • Now under the Scan section on the left:Select My Computer
  • The program will start and scan your system. This will run for a while, be patient... let it run.
    Once the scan is complete, it will display if your system has been infected.
  • Save the scan results as a Text file ... save it to your desktop.
  • Copy and paste the saved scan results file in your next reply.

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#7 k-Kariya

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Posted 21 September 2009 - 12:21 AM

The online scan couldn't find anything

--------------------------------------------------------------------------------
KASPERSKY ONLINE SCANNER 7.0: scan report
Sunday, September 20, 2009
Operating system: Microsoft Windows XP Home Edition Service Pack 3 (build 2600)
Kaspersky Online Scanner version: 7.0.26.13
Last database update: Monday, September 21, 2009 04:26:18
Records in database: 2865117
--------------------------------------------------------------------------------

Scan settings:
scan using the following database: extended
Scan archives: yes
Scan e-mail databases: yes

Scan area - My Computer:
C:\
D:\

Scan statistics:
Objects scanned: 39995
Threats found: 0
Infected objects found: 0
Suspicious objects found: 0
Scan duration: 01:34:25

No threats found. Scanned area is clean.

Selected area has been scanned.

#8 quietman7

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Posted 21 September 2009 - 09:25 AM

That's a good sign as the Kaspersky Online scanner is one of the best. Without knowing what RUBotted is detecting or a specific file name for the threat and where its located, I'm not sure what you are dealing with. In fact, I'm not sure your system is infected as this could be a "false positive". Trend Micro does not provide technical support for this program so you can't ask them. You can get second opinions by doing other online scans or using different security tools but if they find nothing there's not much more you can do.

However, if you want a more thorough analysis of your system then you will need you to create and post a DDS/HijackThis log for further investigation.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". If you cannot complete a step, then skip it and continue with the next. In Step 6 there are instructions for downloading and running DDS which will create a Pseudo HJT Report as part of its log.

When you have done that, post your log in the HijackThis Logs and Malware Removal forum, NOT here, for assistance by the HJT Team Experts. A member of the Team will walk you through, step by step, on how to clean your computer. If you post your log back in this thread, the response from the HJT Team will be delayed because your post will have to be moved. This means it will fall in line behind any others posted that same day.

Start a new topic, give it a relevant title and post your log along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. An expert will analyze your log and reply with instructions advising you what to fix. After doing this, we would appreciate if you post a link to your log back here so we know that your getting help from the HJT Team.

Please be patient. It may take a while to get a response because the HJT Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT "bump" your post or make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.
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#9 Orange Blossom

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Posted 24 September 2009 - 08:57 PM

Hello,

Now that you have posted a log here: http://www.bleepingcomputer.com/forums/t/259296/infected-with-a-botnet/ you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are EXTREMELY busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

Please be patient. It may take several days, up to two weeks perhaps less, to get a response but your log will be reviewed and answered as soon as possible. I advise checking your topic once a day for responses as the e-mail notification system is unreliable.

To avoid confusion, I am closing this topic. Good luck with your log.

Orange Blossom :thumbsup:
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