Fake antivirus blocks all access to programs, network access, etc.

Hey, a friend of mine got this virus which appears as a fake antivirus which denies access to all programs.

How can I do to remove it? Is that what this will require a full OS reinstall?

You may need to use a computer that is not infected for all downloads specified below, until your malware is deleted. Use a USB key drive or burn it to a CD or other means to transport the necessary utilities on the infected computer and copy them to the desktop.
Download of Microsoft® Windows® Malicious Software Removal Tool here offline.

1. follow all the instructions in this thread: How to get rid of malware

2. If still no joy you can find Microsoft MVPs and other trained analysts on the following support sites:
Aumha.org
Atribune.org
SpywareHammer
BleepingComputer
Safer-Networking

3.

Visit the Microsoft Solution Center and antivirus security for resources and tools to keep your PC safe and healthy.  If you have problems with the installation of the update itself, visit the Microsoft Update Support for resources and tools to keep your PC updated with the latest updates.

4. If you need more assistance for the position of the newsgroup Microsoft - security - virusvirus/worm.
Through your News Reader:
News://msnews.Microsoft.com/Microsoft.public.Security.virus
Via the Web:
http://www.Microsoft.com/communities/newsgroups/list/en-us/default.aspx?DG=Microsoft.public.Security.virus

Hope this helps,

Vincenzo Di Russo
Microsoft® MVP Windows Internet Explorer, Windows Desktop Experience & security - since 2003.
Moderator of the site Microsoft Answers Forums Italy
My MVP profile: https://mvp.support.microsoft.com/profile/Vincenzo

Tags: Windows

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    TDSSKiller.exe. - Download the desktop - so go ahead and right-click on it - RUN AS ADMIN
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    Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
    (If Rootkits run UnHackMe)

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Malwarebytes - free
    http://www.Malwarebytes.org/products/malwarebytes_free

    SuperAntiSpyware Portable Scanner - free
    http://www.SUPERAntiSpyware.com/portablescanner.HTML?tag=SAS_HOMEPAGE

    Run the malware removal tool from Microsoft

    Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

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    Download it here.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
    (Then run MRT as shown above.)

    Microsoft Malicious - 32-bit removal tool
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

    Microsoft Malicious removal tool - 64 bit
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

    also install Prevx to be sure that it is all gone.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
    security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
    here or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp?prevx=Y  <-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

    Try the demo version of Hitman Pro:

    Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
    (viruses, Trojans, rootkits, etc.). who infected your computer despite safe
    what you have done (such as antivirus, firewall, etc.).
    http://www.SurfRight.nl/en/hitmanpro

    --------------------------------------------------------

    If necessary here are some free online scanners to help the

    http://www.eset.com/onlinescan/

    -----------------------------------

    Original version is now replaced by the Microsoft Safety Scanner
    http://OneCare.live.com/site/en-us/default.htm

    Microsoft safety scanner
    http://www.Microsoft.com/security/scanner/en-us/default.aspx

    ----------------------------------

    http://www.Kaspersky.com/virusscanner

    Other tests free online
    http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

    --------------------------------------------------------

    After the removal of malicious programs:

    Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
    system files.

    Start - type this into the search-> find COMMAND to top box and RIGHT CLICK-
    RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to analyze the log file entries that the Microsoft Windows Resource Checker
    (SFC.exe) program generates in Windows Vista cbs.log
    http://support.Microsoft.com/kb/928228

    Run checkdisk - schedule it to run at the next startup, then apply OK then restart your way.

    How to run the check disk at startup in Vista
    http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

    -----------------------------------------------------------------------

    If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

    http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

    ======================================

    If necessary AFTER you are sure that the machine is clean of any malware. (DO NOT USE IF)
    MALWARE IS STILL PRESENT).

    You can try a repair install or an upgrade in Place.

    You can use another DVD that aren't copy protected but you you need to own
    Product key. It must be the same version 32 or 64 BIT Vista OEM. Also the system
    machine to usually sell the cheap disk since you already own Windows. Don't forget to make a
    good backup or 3 (security in redundancy).

    On-site upgrade
    http://vistasupport.MVPs.org/repair_a_vista_installation_using_the_upgrade_option_of_the_vista_dvd.htm

    This tells you how to access the System Recovery Options and/or a Vista DVD
    http://Windows.Microsoft.com/en-us/Windows-Vista/what-happened-to-the-recovery-console

    How to perform a repair for Vista Installation
    http://www.Vistax64.com/tutorials/88236-repair-install-Vista.html

    =======================================

    For extreme cases:

    Norton Power Eraser - eliminates deeply embedded and difficult to remove crimeware
    This traditional antivirus analysis does not always detect. Because the Norton Power Eraser
    uses aggressive methods to detect these threats, there is a risk that it can select some
    legitimate programs for removal. You should use this tool very carefully and only after
    you have exhausted other options.
    http://us.Norton.com/support/DIY/index.jsp

    ================================

    If you are in North America, you can call 866-727-2338 for virus and spyware help
    infections. See http://www.microsoft.com/protect/support/default.mspx for more details. For
    international information, see your subsidiary local Support site.

    Microsoft support - Virus and Security Solution Center
    http://support.Microsoft.com/contactus/cu_sc_virsec_master?ws=support#TAB0

    I hope this helps.

    Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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