Home Malware Programs Tracking Cookies Atdmt

Atdmt

Posted: April 8, 2005

Atdmt is a tracking cookie that gathers information on your web browsing habits. The Atdmt cookie is usually installed without the express knowledge or consent of the computer user, and may be difficult to remove by ordinary methods. Using anti-malware security products may be necessary to delete Atdmt permanently. Although Atdmt is classified as a low-level threat, removing Atdmt is generally recommended so that you can retain the absolute privacy of your system's information.

Where Atdmt Came From

If you use Internet Explorer, the simplest solution to Atdmt is to set your cookie permissions so that third-party cookies have to request approval before coming onto your hard drive. This will prevent Atdmt from ever being present without your full awareness and permission. However, not all browsers have this option, and since many cookies are necessary for using websites conveniently, Atdmt can easily slip onto your system if you prefer other browsers.

Another useful way to avoid Atdmt is to block the atdmt.com website. This website is one of the primary distribution mechanisms for the Atdmt tracking cookie, so if you keep the site blocked, Atdmt may have no way to get in, even if you're using a non-IE browser.

Unlike most cookies, Atdmt may return or re-create itself every time certain programs, such as Outlook Connector or Hotmail are active. Since the Windows Live Client can create Atdmt, this prevents you from easily blocking Atdmt as you would block the average unwanted cookie. Since this cookie is more or less Microsoft-supported, Atdmt can be a trifle harder to delete than other cookies by normal third-party entities.

Spyware with the Windows Stamp of Approval

Atdmt follows the stand route of tracking cookies by keeping track of your web search and general browsing behavior. Although this isn't directly harmful since Atdmt is unlikely to record more sensitive information, it remains an invasion of your privacy that you may be concerned over. Another concern is that Atdmt tacks up space in your registry and your hard drive, as well as utilizing some minor memory resources, to perform its spyware activities.

Other potential problems with Atdmt are:

  • The alteration of your search results to suit advertiser preferences.
  • Pop-ups created based on the information Atdmt has gathered from your browsing habits.
  • Homepage setting alterations.

Permanently removing Atdmt while retaining full access to Windows Live Client and cookie-enabled browsing may require the use of anti-malware scanners. The potential damage that can be caused by Atdmt is low, but you shouldn't let that fact dissever you from having complete control over your personal information, if you feel it to be important to your computer-based quality of life.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 Atdmt

62 Comments

  • ron says:

    HiI am having many problems with my PC, am using AD Aware, which is detecting ATDMT repeatedly. I remove ATDMT with Ad Aware, then after reboot it simply re-appears again as soon as I run Ad Aware! I cant get rid of it! Any ideas? Can you perhaps email me at rbaner@rogers.com with suggestions? Much appreciated.

  • ghostrider01 says:

    ron, It is normal that cookies re-appear again. It's not a big security risk. All you have to do is to clean your computer from time to time, You don't have to do this every day.

  • Hate ATDMT says:

    Go to your Internet settings-Click the privacy tab- navigate to where it has fields to add or block sites. In the field, type ATDMT.com then click block. It will NOT allow ATDMT to add a cookie ever again.

  • Matt says:

    So if i delete all my cookies and temporary internet files; along with blocking all cookies and ATDMT....that will stop the tracking cookie?? Or does it have to be deleted and THEN this process?? -Matt

  • Amber says:

    no matter what website i go to, a few seconds later the page refreshes to something else, i think its the adtmt thing butim not able to get rid of it. help?

  • NeonMan5 says:

    I seem to have a certain type of atdmt file on my PC located in my Temp folder in Local Disk>Documents and Settings>User>Local Settings>Temp and the file has been named as DFBB0B or something along those lines, and often duplicates itself into \'lesser\' files since they can be deleted. The initial file cannot be deleted by sometimes removes itself from the folder, however, the actual atdmt file is located in C:\\Documents and Settings\\User\\Cookies\\user@atdmt[2].txt. I can\'t locate or delete this file, so does anybody know how to remove it?

  • hlee says:

    there is something bad about this cookie .. i think the txt file is just a small part ... nothing seems to get rid of it .. the cookie is rewritten each time i do anything in IE .. even if i am not on the internet .. i definately dont want this one .. but dont want to kill all cookies .. dont think that would work anyhow .. the cookie is generated within my system .. many of the features of AVG were misteriously turned off .. i downloaded MS malicious software remove tool .. but if i try to run it from a directory the system crashes or claims the software is corrupt (several downloads) .. if i directly install from MS site without saving first then it works but doesnt find anything .. spybot finds nothing .. but AVG correctly flags it each time IE is run .. i certainly want to know when something like this is invading my computer so dont want to turn off that detection .. ... but now i cant trust my computer .. who knows what such a dishonest site would also do ...
    running AVG in safe mode finds nothing but the thing shows up when i use IE ..

  • GodalmingYellow says:

    Hate ATDMT's answer is not correct.

    ATDMT is a Microsoft tracking cookie applied usually to those who accept the privacy policy for Windows Live,Microsoft Live and Office Live.

    The file which creates the cookie is embedded into your Registry on installation of the Live files and the cookie is checked for and recreated every few minutes, so no matter how many times you delete it, and no matter which method you use to delete either the cookie or the cache files, and irrelevant of whether you set to block the cookie, it will keep coming back.

    Incidentaly, there are several other cookies which also come with the Live files, which the AV and antispams don't pick up, such as Bing.com, Zune.net and half a dozen others.

    Even uninstalling the Live files through control panel, still leaves te cookie creator in the Registry.

    The only way of removing the cookie creator is to edit the registry, or use a downloadable registry editor. But don't do this unless you know what you are doing, and make sure you back up your registry and create a system restore point before doing so, as you may end up deleting important registry entries.

  • Karina says:

    Tengo atdmt como amenaza cada vez que abro mi correo o mi msn, el problema es que como vacuna tengo la AVG de prueba, no he podido comprarla y me preocupa que alguien se quede con mi correo un dia de estos, ya busque manual como indican en esta pagina pero no logro encontrarla. Me pueden ayudar por favor?

  • Anonymous says:

    @Amber: the atdmt cookies will not cause your pages to refresh to something else. Almost every web site will cookie you so they can see what you do on their site. What the atdmt cookie does is lets people who own multiple domains see what a person does on all the web sites they own. They can say things like, people who visit site A also visit site B. It's not as nefarious as this page makes it out to be. Your usename on the site, or any personal information is never recorded on atdmt.com.

  • anthony says:

    I recently found 4 tracking cookies in my computer,admt---msn portal 112.207---orphan cleanup and doubleclick what do you have to say.

  • Dan Traf says:

    Wonderful information. Thank you.

  • Tom Jones says:

    I have blocked DOUBLECLICK, TRIBALFUSION, and ATDMT which are the three Adware types that continue to get in the way when i'm on the internet. I have blocked them on the PRIVACY TAB, and under the RESTRICTED SITES in the SECURITY TAB and it doesn't make a difference. I have also repeatedly deleted them from my TEMPORARY INTERNET FILES and it still doesn't work.

    Help would be much appreciated

  • jamey says:

    Adtmt is the most intrusive and crafty cookie ever! Blocking it makes no difference IN MOST CASES it just keeps coming back. The opt out cookie which is installed alongside it does work when you use it but is itself picked up by most anti spyware as being dangerous and is deleted allowing the original cookie back in again! Has anyone found a final solution to this??

  • Michael says:

    I have followed all of the above steps to block; but ATDMT.com reappears on my cookie list every time I access my home page of MSN.com! Is this done with MSN approval?

  • Omkarnath Das says:

    I have blocked atdmt.com, but the cookie appears

  • Stephen says:

    I've been seeing atdmt Tracking Cookies whenever I do virus scans. I'm not certain, but it also seems likely that atdmt's the culprit in a problem I've had recently with my computer freezing up/rebooting on me. (I get a blue screen with some info on it and it restarts). I did a full system, back-to-factory-settings restore, still encountered the problem, and my virus program was still picking up atdmt. Since then I've been doing routine scans and picking it up every so often. I've implemented the advice here and hopefully that'll help some. But, to be sure I'm right, CAN atdmt cause the problems I've described above?

  • atdmt nuisance says:

    atdmt cookies are released by programs such as windows live messenger. to get rid of that try to uninstall windows live , restart your pc and scan it again you will see that the atdmt cookie will not appear. in fact it is microsoft which is sending us this cookie and is collecting information about our surfing habits.
    i have moved to skype

  • Weezie says:

    thank you for helping out with this thing. Now can you tell me what it can track besides sending some weird e-mail to tons of people I know? Does it affect your credit card number if you shop and all that?

  • rick says:

    That spyware being from Microsoft itself (see whois.domaintools.com/atdmt.com) is yet another reason (besides Internet Explorer\'s security holes) not to use it. There are several viable alternatives, like Firefox and the others from Mozilla, Opera, and now of course (Google) Chrome.

  • Jan says:

    it originates via microsoft. it gets in via windows live, the only way to avoid it is to log in manually at hotmail.com and uncheck remember me option for email. its not dangerous, its only a cookie, however it will data mine all your online activities which may be passed on to third parties. this is all done without your consent. blocking this using your browser will not prevent the cookie being placed on your hard drive. i'm not sure there is a way to ensure that it isnt placed on your computer yet, if you use any part of windows live it will be placed on your PC/laptop. anti virus/malware software will detect and remove it but as soon as you use windows live again it will be back on your computer.

  • Angie says:

    what if you have firefox?

  • Susan says:

    Well I\'ve blocked atdmt.com, atdmt.biz, atdmt.org, atdmt.net and atdmt.info and yet I still get cookies from atdmt. There must be another way to block these cookies.

  • Susan says:

    I have followed all the instructions to block ATDMT using .net, .biz, .com, .info, and .org and yet I continue to get this cookie. Is there any other way to block this cookie without blocking all cookies?

  • Jo says:

    I am having same problem with ATDMT.com
    EVen tho I have blocked it, it still returns,any other solutions greatly appreciated
    Thanks

  • invisible says:

    @Hate ATDMT

  • David says:

    Amber, that sounds like you've got some other adware on your computer. I would run a full virus scan of your computer.

  • Stefan says:

    Guys... this is just a stupid cookie... Don\'t get too upstet if you don\'t know what is it... I had the same cookie all the time and it didn\'t do any damage or anything else... It is just there not doing anything... RELAX!!

  • meme says:

    well i blocked atdmt in my internet settings and deleted cookies etc but virus scan keeps saying its there even thou it supposedly deals with it so what next?

  • LALINDELL says:

    THIS SPYWARE CANNOT BE REMOVED FROM YOUR COMPUTER, NO MATTER WHAT, IT TAKES OVER ALL YOUR REGISTRIES AND DAMAGES YOUR SYSTEM BEYOND REPAIR. ALONG WITH THIS ONE, WHICH IS VERY DANGEROUS, THE MSN.COM COOKIE IS ALSO JUST AS BAD AND CANNOT BE REMOVED. MICROSOFT HAS LAUNCHED THESE TWO SPYWARES FOR THEIR MARKETING PURPOSE, AND HAVE GIVEN THESE COOKIES TO MANY COMPANIES TO SELL THEIR PRODUCTS AND OBTAIN YOUR PERSONAL INFORMATION. I HAVE ONE COMPUTER DESTROYED ALREADY AND MY NEW ONE IS COMPLETELY FULL OF SYWARES AND I CANNOT REMOVE THEM. SOME ONE SHOULD FILE A COMPLAIN AGAINST MICROSOFT FOR ATTACKING OUR COMPUTERS AND THREATENING OUR PERSONAL INFORMATION AND SECURITY.

  • Julio says:

    I just scanned my laptop..... and it said that i had 4 tracking cookies. When i read this i did what it told me to and just scanned again and it said that they were gone!!! 🙂

  • LINDA says:

    THIS SO CALLED LOW LEVEL COOKIE IS ONE OF THE MOST DAMAGING AND HORRIBLE COOKIES/SPYWARES IN THE INTERNET!!!!!!!!!!!!! BEWARE!!!!!!!!!!!! IT TAKES OVER YOUR COMPUTER, YOUR REGISTRY, YOUR FILES, YOUR ANTI-SPYWARE/VIRUS PROGRAMS, YOUR JAVA CONSOLE AND ALL IT CAN TO DESTROY YOUR ACCESS TO THE SAFE WEBSITES (SUCH AS MICROSOFT ETC) IN ORDER TO PREVENT YOU FROM DOWNLOADING UPDATES OR ANY SECURITY TOOL TO PROTECT YOUR PC AND PERSONAL INFORMATION. HA HAVE LOST 2 COMPUTERS ALREADY, MY LAST ONE, BRAND NEW IS ALREADY TAKEN OVER BY THIS PLAGUE AND I CANNOT EVEN RESTOR MY PC TO ITS FACTORY STATUS TO REMOVE THIS MALWARE. I HAVE TRIED EVERYTHING!!!!!!!!!!!!! ALL THE IMPORTAN ANTI-SPYWARE NAMES, NAME IT AND I HAVE DONE IT, BOUGHT IT, AND OTHER PROGRAMS FREE FROM THE INTERNET (OUT OF DESPERATION) ........ NOTHING WORKS, NOR WILL REMOVE OR BLOCK THIS PEST!!!!!!!!!!! - READING ABOUT IT, I FOUND OUT THAT THIS IS SUPPOSED TO BE FROM MICROSFOT??????/ COULD YOU BELIEVE IT, NOT SURE EXACTLY HOW IT WORKS, BUT IT IS SOLD TO MANY COMPANY AS MARKETING TOOL FOR THESE WEBSITES TO FILTER INTO YOUR PC VIEW YOUR INTERNET BROWSING PATTERNS, AND ALSO TO DOWNLOAD SPYWARES AND SELL THEIR PRODUTCS/ADS. I READ OVER 50% OF THE WEBSITES IN THE NET USE THIS ATDMT.EXE OR ALTAS DMT COOKIE!!!!!!!! AND I HAVE BLOCKED ALL COOKIES AND SET MY SECURITY LEVEL VERY HIGH WITH MANY PROGRMAS TO PROTECT MY PC AND EVEN WITH ALL THIS NOTHING WORKS. SOME DO FIND IT, REMOVE IT AND IS BACK AGAIN. WINDOWS LIVE ONE SCANNER COULD NOT REMOVE IT. MY UPDATES ARE BLOCKED, AND I FOUND A WAY, AFTER DAYS WITHOUT SLEEP TO DONWLOAD SOME, WHICH HELPED ME A BIT IN RUNNING SOME PROGRMS, BUT I AM STILL AT THE MERCY OF THESE PEOPLE WHO CAN STEEL OUR INFORMATION AND READ OUR CHATS AND MAILS. I NEED HELP AND WENT TO MICROSOFT SITE BUT MANY DON\'T REALLY CARE, AND WAS REFERRED TO GO TO ANOTHER SITE RELATED TO ATDMT AND NOT WINDOWS???? - BUT IT IS MICROSOFT THE ONE THAT DID NOT PROTECT US WELL!!!!!!!!! AND STILL CANNOT REMOVE THIS PEST FROM OUR LIVES AND PC;SSSSSS... SORRY IF I SOULD UPSTED, I AM, AND DESPERATE TO FIND A WAY TO BLOCK THIS FOR EVER AND REMOVE IT ONCE AND FOR ALL! - I WANT MY LIFE BACK, MY SLEEP BACK, I HAVE NOT SLEPT IN MONTHS BATTLING THIS SPYWARE. I WANT MY PEACE OF MIND BACK AND TO BE ABLE TO SURF THE NET WITHOUT WORRYING THAT ANY TIME THIS ATDMT.EXE WILL TAKE OVER MY MOUSE AND KEYBOARD AND BLOCK ALL I WISH TO DO AND SEE.

    GOOD LUCK TO ANYONE THAT HAS THIS, IS NOT LOW LEVEL RISK, IT IS VERY VERY HIGH RISK, AND IT WILL GET WORSE AS TIME GOES BUY, THE MORE YOU FIGHT IT, THE STRONGER IT GETS AND THE MORE THE DO TO DAMAGE YOUR PC AND FIL;ES.

    L. PARIS

    (FOR ANYONE WITH INFO AND HOW TO FIGHT THIS OR NEEDING TO SHARE THE SAME EXPERIENCE, WE NEED TO STOP THIS AS SOON AS POSSIBLE, BOO MICROSOFT, YOU ARE SUPPOSED TO PROTECT US!!!!!!!! NOT ATTACK US!!!!!!!!!! )

  • Jon says:

    This cookie has been showing up everytime I browse the internet with Microsoft Internet Explorer. I don't know if users of other browsers have been getting this, but I use the internet for research. I am at odds with this one. Is it a major security risk as I suspect? My Norton Internet Securty 2009 finds it every time I do a 'quick scan'. I am about to make a scheduled script that will kill it every minute if I can't find a way to block it. I used the Hosts file and have set the site in the restricted zone. I even set the cookie/privacy settings to block this cookie. All to no avail.

  • vickie says:

    I noticed this atdmt on my computer and my norton internet security stopped it..and then I also had these other cookies as well...I know they say cookies are needed and they are..but not the ones that are harmful....i had this gvun...or gamevance thing coming up all the time...its making me sick...i want it off my computer and I think its part of facebook ..i was tricked into doing an IQ test to get things for farmville which I love doing on facebook...it asked for my cell phone to get the pin ..so I did that and a pin was sent to my cell phone and voila...they suddenly said i was going to pay 9.99monthly for something and I didnt know what it was..it did have this text to removal thing and or call this phone number..i called the phone number and dreaded giving my cell number but did..and they took that off..then I went to verizon and told them and they said they wouldnt let it go through...wow..tricks..be careful...

  • Dor says:

    I'm having a similar problem and I use Firefox in which I have removed the cookies, changed the privacy settings to block it; however the block is gone when I reload firefox. How can I make the block permanent?

  • camilo says:

    a cada momento me prgunta por mi password el del adminitrador ya me tine hasta la @#$% no quiero que me aparezca ese mensaje

  • zerocool says:

    this cookie is owned and controlled by M$ via a smaller company called ATLAS.

    The cookie is designed to complete a marketing trail and is part of M$ products such as MSN messenger.

    Its typical that M$ get involved in fooling the public into collecting data about them. Its DISGUSTING practice and IMO lowers them to the level or malware/spyware/virus creators who are only in it for personal gain or digital vendettas.

    M$ I hope whats due you doesnt go by you and ill be buying Apple next time!

  • Aarrttuu says:

    Im infected by ATDMT cookie, i have blocked it in Internet Settings but my anti virus still detect it? So how can i block it FOREVER?!?!?!?

  • Madmax says:

    Well her is one way of removing atdmt tracking from your computer I have done three days of experimenting and it seems to be imbedded in all windows apps.
    Live messenger , Live Mail , Hotmail Two Face Book. Outlook & Express and so on If it says windows It Is Built In to there Apps. Ive Unistalled IE 8 In Control Panel Dont Let The scare screen scare you, Because if you have firefox with those plugins it works great..You can do a test for your self by going off line do a scan it will show the cookies. Remove the cookies ,and then do another scan it will be gone.open your windows live mail close it and do a scan it will be back even though you are off line Changing the internet privacy doesnt work the same goes in fire fox it only blocks cookies to be read if they are on your computer
    Well Folks i hope this helps i havent seen any of that crap in a few days. so good luck and i hope this works for you. ive used my live messenger address for this write up and now i will unistall all windows apps Yes you are correct it wont let them install cookies ever again but it can still track you from inside your computer

  • zynxy says:

    easiest way is to go to atdmt.com and opt out ...google search atmdt opt out and its the first instance

  • jesse fenster says:

    I am having the same problem as others, no matter where I go, this page refreshes
    \Can't get rid of it

  • yayi says:

    Why if I clean this cookie with my antivirus, its show it self again? Where its coming from or which site? How do I know so i don't go there no more or is it that it have all my info from my compu??

  • Gordon says:

    Sorry folks but M$ have been v clever with this one and have ensured that there is no way to block the cookie if you still wish to use any of the MSN and or Windows Live applications, Even if you don't wish to use these applications the blocking is still difficult. ATDMT is a placement by MIcrosoft to gather information about all our PC activities and thus have the "edge" on other software houses in both knowing what is currently popular and the trends towards the future.IMHO this is the worst kind of invasion of privacy yet to be foisted upon us, who, after all, paid the aforesaid M$ for their operating systems and in many cases, other software also.

  • Morten Brøgger Kristensen says:

    Symantec Antivirus remove the tracking code, but it reappears after using the explore. To solve this: open regedit: search for adtmt.com. Remove the name and date following. On my computer it was found two different places. I did not remove the whole string - only adtmt.com and the date/time following.

  • daniel says:

    What about moving over to a Mac? From what I understand, you don't even need anti-virus software on those systems.

  • belectrics says:

    Try blocking atdmt.combing.com seems to stop it if you open the cookies in note pad the web address that sent the cookie is there.

  • mark says:

    Having worked at one of these spyware cookie (web analytics) companies and also at MSN I can say that this is pretty bad when you can't delete a cookie. It's devious and not out in the open.

    For MSN to force the Vista/Windows 7 teams to create this monster cookie speaks volumes about the marketing antics of MSFT not going away regardless of lawsuits, EU fines, Justice Department findings... its just bad business and just creates more reasons for more potential customers to keep pointing at MSFT for being dumb.

    ATDMT is a Microsoft Spyware "up selling demographics" to anyone with a checkbook and wanting to place some nice ads through BING, Hotmail, Office Live, etc.

    MSN cookie should not be undeletable either. Just bad business and another lawsuit about to happen when people find out they can't remove them and only in the fine print of the EULA and TERMS do you notice they can and do collect personal information when they tie all these cookies together and put into their SQL backends.

    Google isn't much better either, nor Apple. Just be careful of what you do, the world is filled with idiots who think they know better than you.

  • JM says:

    Atdmt and other tacking cookies repeatedly appeared on my pc (windows 7) at what seemed to be times intervals even after i manually deleted this. I suspected a file from the pc was running at times but could find no indication of which file until one of the numerous antispyware (the usual ones like security essentials and avira did not detect) found a file - bsf.exe - which it labelled as Malware. I removed this file and the problem was solved, The file bsf.exe. was in the windows/syatem32 folder. Possibly similar files may exit on the pc that cause repeated entries of tracking cookies to apepar in the Cookies folder (which in Windows 7 is hidden deep inside other folders). I hope this helps in giving a pointer to where the problem may lie..I am no expert in this but just state what worked for me.

  • Mike Angelastro says:

    There are two sources of these trackers other than the browser: Windows Live Mail and MS Instant Messenger. It is best not to leave these two programs running. Norton scanner removes the trackers but some like atdmt.com get put back by these two programs.

  • Rissa says:

    You guys know that you can usually just exit out of your internet and go and delete all of your cookies within internet options and the problem is solved? I always get tracking cookies.. They're really easy to get rid of.

  • Ahmed_Bklyn says:

    All your effort will be in vain cause you are all still using Internet Explorer. When I first encounter this atmdt spyware I had just did a upgrade on my OS, I use the IE to download 2 software then I download and installed my antivirus and on the first run I found 2 spyware from atmdt.com. To make a long story short after 3 frustrating night and several re-installation the result was clear. IE!!!!!. I aways use Google chrome from the first day they introduce it to the public. After one last OS installation and doing all my software installation without opening IE since then I haven't seen it again.

  • Damo says:

    Im sure this cookie atdmt is not being downloaded, rather reinstalled by files saved on the computer can't seem to find where...

  • zack says:

    i found the root of my problem in my regedit. it was related to my email somehow.. "HKEY_CURRENT_USER\Software\Microsoft\IdentityCRL\UserExtendedProperties\(emailaddress)", there were registries called "anon" and "nap". terms like 'atdmt.com' and 'bing.com' was in the data part. I found these through searching atdmt in regedit. hope this helps.

  • Ken says:

    I have Owner@atmt, bing, c.live, live, msn, marketplace,and Owner Zune, all popping up when I use nothing more Than Windows live, I delete them, close and reopen and they are back instantly, to some this may be a Tracking cookie, to me it is a Virus put out My Microsoft, checkout definition of a virus and this one is right up there with malicious Virus's. a Class action against Microsoft for transmitting and infecting Computers is needed in order to stop them and others from using such virus's in the future is necessary, because once a way of stopping them is found they will find another way to infect you!
    I can't see a class action taking place so the only other option is to stop Using Microsoft.

  • James says:

    Firist, of course, disable third-party cookies.

    Many sites set this cookie, such as Netflix. At least with Firefox 5.0, the simplest method to avoid the cookie at all is to block the domain atdmt.com, and download the Better Privacy add-on for Firefox.

    The first time you reach a Website that tries to set the cookie, the third-party download is prohibited by default in Better Privacy. To set the cookie you actually have to give Better Privacy permission in the Options menu of the toolbar (don't do this, of course).

    Better Privacy can be a little persnickety, as it sometimes requires authorising several sites to view a Webpage properly (YouTube is an example of this). However, it allows you to permanently authorise sites, temporarily authorise sites, revoke temporary permissions, and ban sites. I have found the add-on to be very effective at keeping such nonsense off my computer (Windows XP SP3).

  • victor says:

    mmm si ami también me toco este virus lo único que ise fue desintalar el messenger por que en este programa se origina el virus ATDMT después de quitarlo ya no me apareció este virus.

  • aaa says:

    yo lo bloquee en:
    panel de control -> opciones de internet -> (pestaña) privacidad -> (boton) sitios

    hay hay la opcion de bloquear un cookie o permitirlos

    ie9

    win 7

    ya inicio el msn y no me lo crea a ese cookei

  • nick says:

    @James says: June 30, 2011 at 8:39 pm

    hi james. how do i block the domain on firefox? cheers.

  • Bill says:

    ADTMT.com is a dual payload cookie. It's a cookie, and also a virus. It is dowloaded from the Microsoft updates web site and is disguised as Internet Explorer 8 Security Updates. Warning. theis is a very malicious virus/cookie. If your machines are on a network and just one machine on the network downloads the security updates, immediately all your machines will become infected. I own a small business, This cookie has repeatedly taken down all my desktops (5) and three of our Windows 2004 servers in a two month period. It is very damaging. Disable automatic updates in Windows XP/7/2003. The virus portion of the patload can only be detected by setting youjr virus scanner to agreesive scanning. AVG, Bit Defender, and Trend Micro have no problem picking up the cookie and the virus.

  • Christine says:

    I was wondering if this could be in my phone.? Someone put spyware in my phone where then can track everything I do and there is no way to get it out. It runs off the imis number. It's like a serial number.

  • harddrive says:

    Hey if u can wipeur computer WITOUT the windows disk lemme know cuz mine is constantly freezing and i think teh only way to fix it is a wipe

  • Grey says:

    Hi there, You have done an excellent job. I'll definitely digg it and in my view recommend to my friends. I'm confident they will be benefited from this website.

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