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run32dll error after removing malware


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#1 chriscfi

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Posted 02 March 2015 - 05:36 PM

I have a computer that had the malware Arcade Parlor and it has now been removed. Everytime the computer starts or a browser is opened I get a rundll32.error cannot find dll file. I cannot find where that process is being called. Hijackthis doesn't show it, it's not in the msconfig startup listing. I looked in the taskmanager and it is not showing there. VeryFrustating!



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#2 Aura

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Posted 02 March 2015 - 06:01 PM

Hi chriscfi :)

Let's take a look via Autoruns and see what we can find.

Start-up Entries - Autoruns
Follow the instructions below to give me an Autoruns log containing your start-up entries:
  • Download Autoruns.zip from the Sysinternals Suite webpage;
  • Extract the content of the Autoruns.zip folder where you want, then go in the folder, right-click on Autoruns.exe and select Run as Administrator;
  • Accept the EULA on opening, then wait for all the entries to load;
  • Click on File then Save and save the file to a location easily accessible;
  • Go on ge.tt and upload the Autoruns file you saved;
  • Once done, post the download URL of your uploaded file in your next reply;

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#3 quietman7

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Posted 02 March 2015 - 09:35 PM

What was the name of the file in the error message?

RunDLL32.exe is a legitimate Windows file that executes/loads .dll (Dynamic Link Library) modules which too can be legitimate or sometimes malware related. A RunDLL "Error loading..." or "specific module could not be found" message usually occurs when the .dll file(s) that was set to run at startup or as a scheduled task in the registry or as a scheduled task has been deleted.

It's not uncommon to find remnants of startup and scheduled task registry keys when booting into Windows after uninstalling programs or using anti-virus/security scanning tools to remove adware and malware. Windows is trying to load this file but cannot locate it since the file was most likely removed. However, an associated orphaned registry entry still exists and is telling Windows to load the file when you boot up. Since the file no longer exists, Windows will display an error message. You need to remove this registry or scheduled task entry so Windows stops searching for the file when it loads.

This error usually can be fixed with Autoruns as follows...
  • After downloading and extracting, open the folder and double-click on autoruns.exe to launch it.
    Vista/Windows 7/8 users right-click and select Run As Administrator.
  • Please be patient as it scans and populates the entries.
  • When finished scanning, it will say Ready at the bottom and list all entries under the Everything tab.
  • In the top menu, click File > Find... and type the file name related to the .dll error message, then click Find Next.
  • Alternatively, you can scroll through the list and look for any entry related to the file in the error message.
  • If found, right-click on the entry and choose delete.
  • Exit Autoruns and reboot your computer when done.
If a startup is related to a Scheduled Task, you can also use that tab in Autoruns or open Windows Task Scheduler and remove it from there.

-- Note: AutoRuns is a tool for advanced users since it does not have the ability to recognize unsafe or dangerous items...it only displays what it finds. Do not uncheck or delete anything else.
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#4 chriscfi

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Posted 03 March 2015 - 06:39 PM

http://ge.tt/8YL7DaB2/v/0?c



#5 quietman7

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Posted 03 March 2015 - 06:42 PM

Do you not know the name of the file which cannot be found from the error message? I asked you to provide that information in my previous reply.
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#6 Aura

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Posted 03 March 2015 - 06:58 PM

Hi chris, it seems like I'm not able to download the file you uploaded, can you re-upload it?

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#7 quietman7

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Posted 03 March 2015 - 07:16 PM

If he provides the name of the file, the full log is really not necessary.
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#8 Aura

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Posted 03 March 2015 - 08:21 PM

I would like to see the full log, just to see if there's any other suspicious entries present in it. I just like to make sure things are clean and it won't hurt to take a look at it :) Either way, we'll get that file name.

Edited by Aura., 03 March 2015 - 08:21 PM.

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#9 quietman7

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Posted 03 March 2015 - 08:25 PM

That's fine with me but it doesn't help the OP learn much which is where I was coming from.
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#10 Aura

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Posted 03 March 2015 - 08:26 PM

I intend to post every suspicious entries found in this log in this thread and tell the OP what they are, where they are coming from and how they are being loaded, like I did in a precedent, similar thread that ended up in the AII section :)

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