Solved Rundll32.exe causes pc to freeze and is at 100% cpu usage

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Your computer is clean

1. We need to reset system restore to prevent your computer from being accidentally reinfected by using some old restore point(s). We'll create fresh, clean restore point, using following OTL script:

Run OTL

  • Under the Custom Scans/Fixes box at the bottom, paste in the following:

Code:
:OTL
:Commands
[purity]
[emptytemp]
[EMPTYFLASH]
[CLEARALLRESTOREPOINTS]
[Reboot]

  • Then click the Run Fix button at the top
  • Let the program run unhindered, reboot the PC when it is done
  • Post resulting log.

2. Now, we'll remove all tools, we used during our cleaning process

Clean up with OTL:

  • Double-click 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.

If you still have any tools or logs leftover on your computer you can go ahead and delete those off of your computer now.

3. Make sure, Windows Updates are current.

4. If any Trojan was listed among your infection(s), make sure, you change all of your on-line important passwords (bank account(s), secured web sites, etc.) immediately!

5. Download, and install WOT (Web OF Trust): http://www.mywot.com/. It'll warn you (in most cases) about dangerous web sites.

6. Run Malwarebytes "Quick scan" once in a while to assure safety of your computer.

7. Run Temporary File Cleaner (TFC) weekly.

8. Download and install Secunia Personal Software Inspector (PSI): https://www.techspot.com/downloads/4898-secunia-personal-software-inspector-psi.html. The Secunia PSI is a FREE security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Run it weekly.

9. (optional) If you want to keep all your programs up to date, download and install FileHippo Update Checker.
The Update Checker will scan your computer for installed software, check the versions and then send this information to FileHippo.com to see if there are any newer releases.

10. Run defrag at your convenience.

11. Read How did I get infected?, With steps so it does not happen again!: http://www.bleepingcomputer.com/forums/topic2520.html

12. Please, let me know, how your computer is doing.
 
OTL log

Log:
All processes killed
========== OTL ==========
========== COMMANDS ==========

[EMPTYTEMP]

User: Administrator
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 0 bytes

User: All Users

User: Andrew
->Temp folder emptied: 58063715 bytes
->Temporary Internet Files folder emptied: 40941415 bytes
->Java cache emptied: 0 bytes
->FireFox cache emptied: 0 bytes
->Flash cache emptied: 1976 bytes

User: Default User
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 0 bytes

User: LocalService
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 33170 bytes

User: LogMeInRemoteUser
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 0 bytes

User: NetworkService
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 33170 bytes

%systemdrive% .tmp files removed: 0 bytes
%systemroot% .tmp files removed: 0 bytes
%systemroot%\System32 .tmp files removed: 0 bytes
%systemroot%\System32\dllcache .tmp files removed: 0 bytes
%systemroot%\System32\drivers .tmp files removed: 0 bytes
Windows Temp folder emptied: 41283 bytes
%systemroot%\system32\config\systemprofile\Local Settings\Temp folder emptied: 0 bytes
%systemroot%\system32\config\systemprofile\Local Settings\Temporary Internet Files folder emptied: 0 bytes
RecycleBin emptied: 166837525 bytes

Total Files Cleaned = 254.00 mb


[EMPTYFLASH]

User: Administrator

User: All Users

User: Andrew
->Flash cache emptied: 0 bytes

User: Default User

User: LocalService

User: LogMeInRemoteUser

User: NetworkService

Total Flash Files Cleaned = 0.00 mb

Restore points cleared and new OTL Restore Point set!

OTL by OldTimer - Version 3.2.17.3 log created on 12052010_165949

Files\Folders moved on Reboot...
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4C5D.tmp not found!
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4C6F.tmp not found!
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4CF0.tmp not found!
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4D02.tmp not found!
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4D4C.tmp not found!
File\Folder C:\Documents and Settings\Andrew\Local Settings\Temp\~DF4D5E.tmp not found!
C:\Documents and Settings\Andrew\Local Settings\Temporary Internet Files\Content.IE5\5UR22R2H\topic157573-2[1].html moved successfully.
C:\Documents and Settings\Andrew\Local Settings\Temporary Internet Files\Content.IE5\1XVMTZ04\crosspixel-dest[1].htm moved successfully.
C:\Documents and Settings\Andrew\Local Settings\Temporary Internet Files\Content.IE5\0YIMKM0R\sh28[1].html moved successfully.
C:\Documents and Settings\Andrew\Local Settings\Temporary Internet Files\AntiPhishing\2CEDBFBC-DBA8-43AA-B1FD-CC8E6316E3E2.dat moved successfully.

Registry entries deleted on Reboot...


Computer seems to be running good since last night... slimbrowser even loads now with no problem, although i'm going to look for a better browser...

Thanks for all your help Broni!
 
Way to go!!
p4193510.gif

Good luck and stay safe :)
 
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