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dll host.exe + COM surrogate

RET

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RET

RET

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Hi. Noticed a strange cmd looking box pop up and vanish almost instantly yesterday, immediately closed browsers and work to run Norton Power Eraser. During scan, received a couple of messages that Trojans had been blocked-No other action required. However, in task manager many instances of dllhost.exe COM surrogate were running. I can kill all but one. Malwarebytes (older free version, but it updated itself last night) and Norton both give clean reports in normal scans. Tried using the Rogue Killer had seen on a couple of boards, but keeps coming back.

 

Please help.

 

 

 

 

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TwinHeadedEagle

TwinHeadedEagle

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Hello,
    
 
They call me TwinHeadedEagle around here, and I'll be working with you.
 
     
    
Before we start please read and note the following:

  • Limit your internet access to posting here, some infections just wait to steal typed-in passwords.
  • Please be patient. I know it is frustrating when your PC isn't working properly, but malware removal takes time.
  • Don't run any scripts or tools on your own, unsupervised usage may cause more harm than good.
  • Do not paste the logs in your posts, attachments make my work easier. There is a More reply options button, that gives you Upload Files option below which you can use to attach your reports. Always attach reports from all tools.
  • Always execute my instructions in given order. If for some reason you cannot completely follow one instruction, inform me about that.
  • Stay with me to the end, the absence of symptoms doesn't mean that your machine is fully operational.
  • Note that we may live in totally different time zones, what may cause some delays between answers.
  • Do not ask for help for your business PC. Companies are making revenue via computers, so it is good thing to pay someone to repair it.
  • If I don't hear from you within 3 days from this initial or any subsequent post, then this thread will be closed.

:excl: I can't foresee everything, so if anything unexpected happens, please stop and inform me!
:excl: There are no silly questions. Never be afraid to ask if in doubt!
 
 
 
  warning.gif Rules and policies
 
We won't support any piracy.
That being told, if any evidence of illegal OS, software, cracks/keygens or any other will be revealed, any further assistance will be suspended. If you are aware that there is this kind of stuff on your machine, remove it before proceeding!
The same applies to any use of P2P software: uTorrent, BitTorrent, Vuze, Kazaa, Ares... We don't provide any help for P2P, except for their removal. All P2P software has to be uninstalled or at least fully disabled before proceeding!
 
Failure to follow these guidelines will result with closing your topic and withdrawning any assistance.
 
 
 
 

Please download Farbar Recovery Scan Tool and save it to your desktop.
 
Note: You need to run the version compatibale with your system. If you are not sure which version applies to your system download both of them and try to run them.
Only one of them will run on your system, that will be the right version.

  • Double-click to run it. When the tool opens click Yes to disclaimer.
  • Press Scan button.
  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
  • The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.
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TwinHeadedEagle

TwinHeadedEagle

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51a5bf3d99e8a-ComboFixlogo16.png Scan with ComboFix
 
This is a very powerful tool that should be used only if advised by Malware Analyst.
Do not run ComboFix on your own!
 
Referring to this instruction, please download ComboFix by sUBs and save it to your desktop.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.

  • Right-click on 51a5bf3d99e8a-ComboFixlogo16.png icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Accept the disclaimer and agree if prompted to install Recovery Console.
  • Do not take any actions while ComboFix goes through your System - it may cause it to stall!
  • This scan may take some time!
  • When finished - it will display a logfile (located also on your main drive, usually C:\ComboFix.txt).

Include that log in your next reply.
icon_idea.gif If you'll encounter any issues with internet connection after running ComboFix, please visit this link.
icon_idea.gif If an error about operation on the key marked for deletion will appear after running the tool, please reboot your machine.

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TwinHeadedEagle

TwinHeadedEagle

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Let's make one more check:
 

FRST.gif Scan with Farbar Recovery Scan Tool
 
Please re-run Farbar Recovery Scan Tool to give me a fresh look at your system.

  • Right-click on FRST.gif icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
    (XP users click run after receipt of Windows Security Warning - Open File).
  • Make sure that Addition option is checked.
  • Press Scan button and wait.
  • The tool will produce two logfiles on your desktop: FRST.txt and Addition.txt.

Please include their content into your next reply.

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TwinHeadedEagle

TwinHeadedEagle

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Let's make our final check:
 
 
 
FRST.gif Scan with Farbar Recovery Scan Tool
 
Please re-run Farbar Recovery Scan Tool to give me a fresh look at your system.

  • Right-click on FRST.gif icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
    (XP users click run after receipt of Windows Security Warning - Open File).
  • Make sure that Addition option is checked.
  • Press Scan button and wait.
  • The tool will produce two logfiles on your desktop: FRST.txt and Addition.txt.

Please include their content into your next reply.

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RET

RET

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HI TwinHeadedEagle,

Logs are attached. Seems faster, but still has a lot of the svchost and at least one dllhost running at all times. I have an older laptop that's also running Windows 7 and when I checked it, there were no instances of the dllhost running. I'm concerned that I need to completely wipe and reinstallFRST.txtAddition.txt this pc. Please let me know what you see/think.

 

Thanks again for all of your help.

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TwinHeadedEagle

TwinHeadedEagle

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RogueKiller.png Scan with RogueKiller
 
Please download RogueKiller and save the file to your desktop.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.

  • Right-click on RogueKiller.png icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Wait patiently until the pre-scan will be done. It shouldn't take more than 2-3 minutes.
  • Accept the Terms of use.
  • When the Scan button becomes available, please click it. RogueKiller will start a full scan.
  • Let this process run uninterrupted!.
  • When finished, a Report button will become available. Click it. You will be presented with a logfile.

Please include the content of this logfile in your next reply.

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TwinHeadedEagle

TwinHeadedEagle

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TDSSKiller_Kaspersky.png Scan with TDSSKiller
 
Please download TDSSKiller by Kaspersky and save it to your desktop.

  • Right-click on TDSSKiller_Kaspersky.png icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Click on Change parameters and put a checkmark beside Loaded modules. A reboot will be needed to apply the changes, allow it to do so.
  • Your machine may appear very slow and unusable after that - it's normal.
  • TDSSKiller will run automaticaly. Click on Change parameters and click OK.
  • Click the Start Scan button and wait patiently.

If anything will be found follow this guidelines:

  • If a suspicious object is detected, the default action will be Skip, click on Continue.
  • If malicious objects are found, they will show in the Scan results - Select action for found objects and offer three options.
    Ensure Cure (default) is selected, then click Continue > Reboot now to finish the cleaning process.
    If Cure is not available, please choose Skip instead.
  • Do not choose Delete unless instructed!

A report will be created in your root directory, (usually C:\ drive) in the form of TDSSKiller.[Version]_[Date]_[Time]_log.txt. Please include the contents of that file in your next post.

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  • 4 weeks later...
  • Root Admin
AdvancedSetup

AdvancedSetup

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  • Root Admin
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Glad we could help. :)

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.

Other members who need assistance please start your own topic in a new thread. Thanks!

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