Author Topic: I´ve got infected by sirefef trojan and would appreciate some expert help  (Read 13675 times)

0 Members and 1 Guest are viewing this topic.

Heraldo

  • Guest
And:

jeffce

  • Guest
Hi,

Malwarebytes

I see that you have Malwarebytes already on your computer.  Please open Malwarebytes, update it and then run a Quick Scan.  Save the log that is created for your next reply.
----------

Please run a free online scan with the ESET Online Scanner
Note: You will need to use Internet Explorer for this scan[/i]
  • Tick the box next to YES, I accept the Terms of Use
  • Click Start
  • When asked, allow the ActiveX control to install
  • Click Start
  • Make sure that the options Remove found threats is NOT selected and the option Scan unwanted applications is selected.
  • Click Scan (This scan can take several hours, so please be patient)
  • If there are threats that are found, please press List of found threats and then in the next window that opens press Export to text file...
  • Copy and paste/or attach that log as a reply to this topic
**Note** If not threats are found there will not be a log created.
----------

In your next reply please attach the logs made by Malwarebytes and ESET scanner.  :)

Heraldo

  • Guest
Malwarebyte didn´t find anything, but Eset found the same as before except in other folders. (probably quarantined)
Here are the logs:
« Last Edit: July 19, 2012, 10:24:58 AM by Heraldo »

jeffce

  • Guest
Yes...those are already quarantined.  How is your system running?

Download Security Check by screen317 from here or here.
  • Save it to your Desktop.
  • Double click SecurityCheck.exe and follow the onscreen instructions inside of the black box.
  • A Notepad document should open automatically called checkup.txt
  • Please post the contents of that document.

Heraldo

  • Guest
I haven´t run in normal mode since we began so I don´t really know (but safe mode is running excellent  ;D ) I uninstalled old java versions before we started, so that may be why they are not up to date and i found a thread about what to do after an attack(update Java, Adobe reader etc.), so I will follow that guide.
I see two dimmed out desktop.ini- icons on my desktop but i guess that´s nothing to worry about?
Do you want me to start in normal mode?

« Last Edit: July 20, 2012, 12:38:57 AM by Heraldo »

Heraldo

  • Guest
Can the quarantined viruses be safely removed or are they sleeping in the system?
« Last Edit: July 19, 2012, 10:40:19 PM by Heraldo »

jeffce

  • Guest
Hi,

That log looked ok.  Go ahead and leave the files we found infected alone for now.  We will have those removed when we clean up our tools.

Please boot to Normal Mode and give it a good run around and let me know how your system is running.  :)

Heraldo

  • Guest
It seems to be ok, no errormessages. the only thing is Eset who says that it wants to send some files for analyzing:
"Following files seems to contain new threats. Send them to ESET for further analyze:"
File
services.exe(688)
services.exe(600)
services.exe(600)
services.exe(648)
C:\users\oskar\appdata\roaming\xsecva\xsecva.exe
services.exe(604)
C:\windows\assembly\gac\desktop.ini"

translated from swedish but i guess its something like that

Can i just send them for analyze or cancel
Could it be because we edited the files,  its not a popupwarning about an active virus (i haven´t been in normal mode for like three days so it could be old. I don´t know

jeffce

  • Guest
I think that ESET is picking up quarantined files.


Heraldo

  • Guest
OK, but where do we go from here?
« Last Edit: July 20, 2012, 08:47:00 PM by Heraldo »

jeffce

  • Guest
Hi,

Download Security Check by screen317 from here or here.
  • Save it to your Desktop.
  • Double click SecurityCheck.exe and follow the onscreen instructions inside of the black box.
  • A Notepad document should open automatically called checkup.txt
  • Please post the contents of that document.

Heraldo

  • Guest
 
Results of screen317's Security Check version 0.99.43 
 Windows Vista Service Pack 2 x86 (UAC is disabled!) 
 Internet Explorer 9 
``````````````Antivirus/Firewall Check:``````````````[/u]
ESET NOD32 Antivirus 4.0   
 Antivirus up to date!   
`````````Anti-malware/Other Utilities Check:`````````[/u]
 Malwarebytes Anti-Malware version 1.62.0.1300 
 TuneUp Utilities   
 TuneUp Utilities Language Pack (en-GB)
 TuneUp Utilities   
 JavaFX 2.1.1   
 Java(TM) 7 Update 5 
 Adobe Flash Player    11.3.300.265 
 Adobe Reader 9 Adobe Reader out of Date!
 Adobe Reader X (10.1.0)
 Mozilla Firefox (14.0.1)
````````Process Check: objlist.exe by Laurent````````[/u] 
 Malwarebytes Anti-Malware mbamservice.exe 
 Malwarebytes Anti-Malware mbamgui.exe 
`````````````````System Health check`````````````````[/u]
 Total Fragmentation on Drive C:  %
````````````````````End of Log``````````````````````[/u]

jeffce

  • Guest
Sorry for any delays.  I had some technical problems with my own system and just now was able to get back.   :-\

Adobe Reader

You have an older version of Adobe Reader.  You can download the current version HERE

You may want to consider Foxit Reader instead. It may be a bit lighter on resources.

Visit their support forum
Foxit Forum

In either case you should uninstall Adobe Reader 9 and Adobe Reader X (10.1.0) first. Be sure to move any PDF documents to another folder first though.
----------

System still running well?  :)

Heraldo

  • Guest
I'm not home at the moment and won't be until tuesday. My system is running fine and as you can see I've already installed Adobe reader X, but it seems old reader 9 is still in the system but not in the uninstall-list under controlpanel/ programs.. Don't really know how to uninstall it any other way.
Trouble with your own system isn't really what you need while helping others with theirs is it  :o

jeffce

  • Guest
Quote
My system is running fine
;D
------

Quote
Trouble with your own system isn't really what you need while helping others with theirs is it
I got it fixed up....not malware related.
--------

If you don't see Adobe Reader 9 don't worry about it.
------

Providing there are no other malware related problems...

IT APPEARS THAT YOUR LOGS ARE NOW CLEAN :D  SO LETS DO A COUPLE OF THINGS TO WRAP THIS UP!! :D

This infection appears to have been cleaned, but I can not give you any absolute guarantees.  As a precaution, I would go ahead and change all of your passwords as this is especially important after an infection.
----------

The following will implement some cleanup procedures as well as reset System Restore points:

Click Start > Run  and copy/paste the following text into the Run box as shown and click OK.
  Combofix /Uninstall
  (Note: There is a space between the ..X and the /U that needs to be there.)


----------

Clean up with OTL:
  • Right-click and Run as Administrator OTL.exe to start the program.
  • Close all other programs apart from OTL as this step will require a reboot
  • On the OTL main screen, press the CLEANUP button
  • Say Yes to the prompt and then allow the program to reboot your computer.
----------

Any of the logs that you created for use in the forums or remaining tools that have not yet been removed can be deleted so they aren't cluttering up your desktop.

Here are some tips to reduce the potential for spyware infection in the future:

1. Make your Internet Explorer more secure - This can be done by following these simple instructions:
  • From within Internet Explorer click on the Tools menu and then click on Options.
  • Click once on the Security tab
  • Click once on the Internet icon so it becomes highlighted.
  • Click once on the Custom Level button.
  • Change the Download signed ActiveX controls to Prompt
  • Change the Download unsigned ActiveX controls to Disable
  • Change the Initialize and script ActiveX controls not marked as safe to Disable
  • Change the Installation of desktop items to Prompt
  • Change the Launching programs and files in an IFRAME to Prompt
  • Change the Navigate sub-frames across different domains to Prompt
  • When all these settings have been made, click on the OK button.
  • If it prompts you as to whether or not you want to save the settings, press the Yes button.
  • Next press the Apply button and then the OK to exit the Internet Properties page.
2. Enable Protected Mode in Internet Explorer.  This helps Windows Vista users stay more protected from attack by running Internet Explorer with restricted privileges as well as reducing the ability to write, alter or destroy data on your system or install malicious code.  To make sure this is running follow these steps:
  • Open Internet Explorer
  • Click on Tools > Internet Options
  • Press Security tab
  • Select Internet zone then place check next to Enable Protected Mode if not already done
  • Do the same for Local Intranet, Trusted Sites and Restricted Sites and then press Apply
  • Restart Internet Explorer and in the bottom right corner of your screen you will see Protected Mode: On showing you it is enabled.
3. Use and update an anti-virus software - I can not overemphasize the need for you to use and update your anti-virus application on a regular basis.  With the ever increasing number of new variants of malware arriving on the scene daily, you become very susceptible to an attack without updated protection.

4. Firewall
Using a third-party firewall will allow you to give/deny access for applications that want to go online. Without a firewall your computer is susceptible to being hacked and taken over. Simply using a firewall in its default configuration can lower your risk greatly.  A tutorial on firewalls can be found here[/color].  **There are firewalls listed in this tutorial that could be downloaded and used but I would personally only recommend using one of the following two below:
Online Armor Free
Agnitum Outpost Firewall Free

5. Make sure you keep your Windows OS currentWindows XP users can visit Windows update   regularly to download and install any critical updates and service packs. Windows Vista/7 users can open the Start menu > All Programs > Windows Update > Check for Updates (in left hand task pane) to update these systems.  Without these you are leaving the back door open.

6. WOT (Web of Trust) As "Googling" is such an integral part of internet life, this free browser add on warns you about risky websites that try to scam visitors, deliver malware or send spam. It is especially helpful when browsing or searching in unfamiliar territory. WOT's color-coded icons show you ratings for 21 million websites, helping you avoid the dangerous sites.  WOT has an add-on available for Firefox, Internet Explorer as well as Google Chrome.

7.Finally, I strongly recommend that you read TonyKlein's good advice So how did I get infected in the first place?
 
Please reply to this thread once more if you are satisfied so that we can mark the problem as resolved.