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How To Remove Personal Internet Security 2011

Personal Internet Security 2011 is a fake spyware detection program obtained through banner ads, unsafe sites, or lacking internet security settings. Once Personal Internet Security 2011 is installed on your computer it will be configured to start automatically. It will also create numerous files that will be detected by the program as malware. All the errors and scans are meant to look like real scans and when users go to use Personal Internet Security 2011 to remove the problems detected the program will claim the infections cannot be removed unless the software is purchased. It should be known that this is a scam and users should never attempt to buy this product. While on the users system this program will continuously show fake errors and alerts, but also having this on a system will cause other problems such as: Browser redirects, lower internet security settings, disabled Windows utilities, and it leaves the system vulnerable to other forms of spyware, malware, trojans, and viruses.

Let Expert Support Now Remove It For You

If you need help removing Personal Internet Security 2011 or any other type of spyware / malware go to the Get Instant Support Through The Internet page to get started with our Remote Support Option or contact us at or 586-816-0015.

Manual Removal Of Personal Internet Security 2011: First to avoid any further infections caused by internet browsing redirects users will need to go to their Internet Options; this can be done by going to the start menu followed by control panel. Once in Internet Options choose the “Connections” tab followed by “LAN Settings” uncheck the “Use a Proxy Server” Option. Once done click “Ok” to save these settings. Next users need to disable the process from running, to do this press Ctrl+Shift+Esc to open up the task manager, once opened choose “Processes” and look for PersonalIS2011.exe, click on the process and then click the “End Process” button. This will disable the program from running and will allow the files to be removed. The following is a list of files that need to be deleted:

  • c:\Documents and Settings\All Users\Application Data\e659\
  • c:\Documents and Settings\All Users\Application Data\e659\7377.mof
  • c:\Documents and Settings\All Users\Application Data\e659\80e9877130a15854a99bf6dd8d368239.ocx
  • c:\Documents and Settings\All Users\Application Data\e659\mozcrt19.dll
  • c:\Documents and Settings\All Users\Application Data\e659\PersonalIS2011.exe
  • c:\Documents and Settings\All Users\Application Data\e659\PIS.ico
  • c:\Documents and Settings\All Users\Application Data\e659\sqlite3.dll
  • c:\Documents and Settings\All Users\Application Data\e659\unins000.dat
  • c:\Documents and Settings\All Users\Application Data\e659\PISSys\
  • c:\Documents and Settings\All Users\Application Data\e659\Quarantine Items\
  • c:\Documents and Settings\All Users\Application Data\PIKKS\
  • c:\Documents and Settings\All Users\Application Data\PIKKS\PIQBS.cfg
  • %UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Personal Internet Security 2011.lnk
  • %UserProfile%\Application Data\Personal Internet Security 2011\
  • %UserProfile%\Application Data\Personal Internet Security 2011\cookies.sqlite
  • %UserProfile%\Desktop\Personal Internet Security 2011.lnk
  • %UserProfile%\Start Menu\Personal Internet Security 2011.lnk
  • %UserProfile%\Start Menu\Programs\Personal Internet Security 2011.lnk

Personal Internet Security 2011 Registry Entries that should be removed:

  • HKEY_CURRENT_USER\Software\3
  • HKEY_CLASSES_ROOT\CLSID\{3F2BBC05-40DF-11D2-9455-00104BC936FF}
  • HKEY_CLASSES_ROOT\PersonalIS2011.DocHostUIHandler
  • HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “RunInvalidSignatures” = ‘1’
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “ProxyServer” = ‘http=’
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “UID” = ‘7’
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform “88780570603”
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Personal Internet Security 2011”
  • HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “CheckExeSignatures” = ‘no’


If you need help with Spyware, Malware, Viruses or removing Personal Internet Security 2011 Malware / Scareware or other PC problems click here or email us at

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19 Responses to How To Remove Personal Internet Security 2011

  • Rosemary Chiyangwa says:

    Thank you very much, I managed to uncheck “The proxy user server”, option in LAN settings, but however couldn’t get the Task Manager using the Control, Shift and Escape buttons. So didnt manage to remove the files as per instruction. Is there no other way of deleting the files, please?

    • admin says:

      There are two other ways to open task manager; The first way is to press Ctrl+Alt+Del and the second way is to open the Run command and type “taskmgr” without quotes.

  • infected with “personal internet security” mafioso.

    need help!

  • Walker says:

    I’m having the same problem as Rosemary I cant open task manager even when i run it as taskmgr i even made a shortcut so i could click it but no use. the virus is blocking task manager in general it seems.

    • admin says:

      Did you try it in Safe Mode? Completely shut down your PC. When you turn it back on, keep tapping the F8 key until you get a list of options and choose “Safe Mode with Networking” using the keyboard arrow keys. Once you log back in (don’t worry if it looks drastically different), you can try it again. If you can get online, see our Instant Support page and let us know you need help.

  • jill mick says:

    Is there a way to get rid of this virus without internet access? I can’t get on the internet.

    • admin says:

      You can do the steps above without any internet access. Try doing an internet explorer reset by going to Tools -> Internet Options -> Advanced Tab and pressing the Reset button. This may get it working again. If you can establish a connection, give us a call and we can help you with one of the options on our Get Instant Support page.

  • MiCHELLE says:


  • gail says:

    how does this happen when I have a virus scan (mcafee) installed VERY frustrating!

    • admin says:

      It is really frustrating. The problem is that this isn’t a virus but a type of malware or spyware. Antivirus programs are not 100% protection and never will be, especially in cases of spyware. They block threats that already exist and are always playing “catch-up” to new viruses and spyware as they are released and discovered. We suggest keeping your antivirus updated, practicing safe web surfing, and if you have recurring spyware problems, a specific antispyware program such as Malwarebytes Anti-Malware will help to protect or clean up spyware attacks.

  • sean says:

    Got safe mode up, still no luck with tsk mgr…?

    • admin says:

      Does the spyware still start up in safe mode? If so, it will keep trying to block your task manager. Infections vary in difficulty and can be more difficult on different machines. If you are able to get online, please give us a call or consider our spyware guide which has some more advanced topics that might help you.

  • Tara says:

    I followed the “task manager” instructions and then the “internet options” instructions, but I’m not sure how to get to the files that you said need to be deleted. I did delete some stuff (just by luck), but I would like to know how to delete it all. I’m also curious, once I do it all, how I will know the virus is gone. If it’s not bothering me I would assume it’s gone, but I want to KNOW it’s gone. Anyway you cal tell me how to check my files and make sure? Thank you in advance!

    • admin says:

      The main things to look for are internet redirects, strange popups or errors, and other strange behavior. If the fake antivirus stops running then there is a good chance you have removed the primary files. To get a machine completely clean requires several different tactics but we do offer a service for a flat fee of $99 to do all of this for you. Not only do we remove spyware and viruses, but also clean the entire machine to speed it up as much as possible. All you need to do is give us a call or pay on our site and we can set it up with you.

  • a vautour says:

    It appears that my task manager has been compromised or replaced. Like most people I tried to start is several ways and always failed to start. I noticed on virus free computers that the task manager is dated April 13 but the one on the infected is dated April 14 @ 7:00 AM – same as the backup copy in /I386 directory – leads me to believe that the actual running version of windows taskmanager has been replaced and thus won’t execute anything.

    • admin says:

      It is more likely that the task manager is being blocked in the registry or by a spyware program already running. We don’t recommend trying to edit the registry beyond the instructions here but we do offer a service in which we can do all of this for you for $99. We also have a spyware guide available for some of the techniques we use that might help. It doesn’t cover fixing the task manager but several ways to remove spyware and viruses.

  • PAW says:

    about 2 months when the computer got infected i was able to remove it and i had internet connection
    then it got infected again and this time i lost internet connection
    at first i did the same as before but i couldn’t remove it i tried malwarebytes but that didnt work so i tried superantispyware
    and i was able to remove it
    but i still don’t have internet connection
    i’ve tried everything i am capible of doing to reestablish but still no luck

    • admin says:

      If its an on board Ethernet card try to power cycle the computer by unplugging it for about three minutes and turning it back on. Sometimes the Ethernet port goes to sleep preventing it from working and by doing this it will cause it to power back on. Also check your BIOs settings to make sure that the Ethernet port is enabled. Lastly try to reinstall the driver for the card, if none of these options work try getting a new Ethernet card because the port may have gone bad.

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