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How to remove ISTbar (Adware.ISTbar) (ads, banners, deals)



Threat's profile Threat indicator: HIGH

Name of the threat:ISTbar (Adware.ISTbar)

Command or file name:(*.*)

Threat type:Adware

Affected OS:Win32/Win64 (Windows XP, Vista/7, 8/8.1, Windows 10)

Affected browsers:Google Chrome, Mozilla Firefox, Internet Explorer, Safari

The reluctance to tack adware removal tool function to anti trojan was strengthened by a dread of lawsuits when companies became at law major programs programmers for leakage of their programs as ISTbar (Adware.ISTbar). Usually ISTbar (Adware.ISTbar) offers a consumer a free but limited, publicity-supported state with all the functions solved or paid working that enables all features and turns off the advertisements making consumers remove itself but it is not simple and very irksome. ISTbar (Adware.ISTbar) is a piece of big industry that assists to retail different products. is called private information-invasive applications. If you discover your home page and searching engine transubstantial to WWW sites that earn earnings from various publicities, be doubtless that you have ISTbar (Adware.ISTbar) on your machine and you ought to our removal tool to perform removal. One more reason to remove ISTbar (Adware.ISTbar) is that it generates advertising such as prompt or hotlinks on Web sites that are not a share of page's coded representation.


ISTbar (Adware.ISTbar) intrusion method

ISTbar (Adware.ISTbar) installs on your PC along with free software. This method is called "bundled installation". Freeware offers you to install additional module (ISTbar (Adware.ISTbar)). Then if you fail to decline the offer it starts hidden installation. ISTbar (Adware.ISTbar) copies its file(s) to your hard disk. Its typical file name is (*.*). Then it creates new startup key with name ISTbar (Adware.ISTbar) and value (*.*). You can also find it in your processes list with name (*.*) or ISTbar (Adware.ISTbar). Also, it can create folder with name ISTbar (Adware.ISTbar) under C:\Program Files\ or C:\ProgramData. If you have further questions about ISTbar (Adware.ISTbar), please ask below. You can use programs to remove ISTbar (Adware.ISTbar) from your browsers below.


Download Removal Tool

Download this advanced removal tool and solve problems with ISTbar (Adware.ISTbar) and (*.*) (download of fix will start immediately):

Download WiperSoft Antispyware to remove ISTbar (Adware.ISTbar)

* WiperSoft Antispyware was developed to remove threats like ISTbar (Adware.ISTbar) in automatic mode. Remover has active module to protect PC from hijackers, trojans, ransomware and other viruses. Trial version of Wipersoft provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Wipersoft.


Features of WiperSoft Antispyware Malware Remediation Tool

  • Removes all files created by viruses.
  • Removes all registry entries created by viruses.
  • You can activate System and Network Guards and forget about malware.
  • Can fix browser problems and protect browser settings.
  • Removal is guaranteed - if Removal Tool fails ask for FREE support.
  • 24/7 Spyware Helpdesk Support included into the package.

Download Spyhunter Remediation Tool by Enigma Software

Download antimalware designed specifically to remove threats like ISTbar (Adware.ISTbar) and (*.*) (download of fix will start immediately):

Download AntiMalware to remove ISTbar (Adware.ISTbar)

Features of Spyhunter Remediation Tool

  • Removes all files created by ISTbar (Adware.ISTbar).
  • Removes all registry entries created by ISTbar (Adware.ISTbar).
  • Fixes browser redirection and hijack if needed.
  • "Toolbar Remover" tool will help you get rid of unwanted browser extensions.
  • Removal is guaranteed - if Spyhunter Remediation Tool fails ask for FREE support.
  • 24/7 Helpdesk Support and 5 hours of Remote Support via GoToAssist included into the package.


We noticed that you are on smartphone or tablet now, but you need this solution on your PC. Enter your email below and we’ll automatically send you an email with the downloading link for ISTbar (Adware.ISTbar) Removal Tool, so you can use it when you are back to your PC.

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Let our support team solve your problem with ISTbar (Adware.ISTbar) and remove ISTbar (Adware.ISTbar) right now!

Submit support ticket below and describe your problem with ISTbar (Adware.ISTbar). Support team will offer you solution in several minutes and give a step-by-step instruction on how to remove ISTbar (Adware.ISTbar). Trouble-free tech support with over 10 years experience removing malware.
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Software Industry Professionals Member Threat's description and solution are developed by Security Stronghold security team.

Here you can also learn:


How to remove ISTbar (Adware.ISTbar) manually

This problem can be solved manually by deleting all registry keys and files connected with ISTbar (Adware.ISTbar), removing it from startup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by ISTbar (Adware.ISTbar).

To get rid of ISTbar (Adware.ISTbar), you should:

1. Kill the following processes and delete the appropriate files:

  • %ProgramFiles%\ISTbar\cmctl.dll
  • %ProgramFiles%\ISTbar\istbarcm.dll
  • %ProgramFiles%\ISTbar\imagemap_normal.bmp
  • %ProgramFiles%\ISTbar\imagemap_over.bmp
  • %ProgramFiles%\ISTbar\version.txt
  • %ProgramFiles%\ISTbar\xml_istbar.xml
  • %ProgramFiles%\IstSvc\istsvc.exe
  • %Windir%\[RANDOM FILE NAME].exe
  • %Windir%\Downloaded Program Files\ysbactivex.dll
  • %Windir%\Downloaded Program Files\istactivex.dll
  • %UserProfile%\Favorites\Fun & Games, drops numerous link files in this folder
  • %UserProfile%\Favorites\Going Places, drops numerous link files in this folder
  • %UserProfile%\Favorites\Living, drops numerous link files in this folder
  • %UserProfile%\Favorites\Shop, drops numerous link files in this folder
  • %UserProfile%\Favorites\Technology, drops numerous link files in this folder

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use WiperSoft Antispyware Malware Remediation Tool for safe problem solution.

**Trial version of Wipersoft provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Wipersoft.

2. Delete the following malicious folders:

  • C:\Program Files\ISTsvc
  • C:\Program Files\SideFind
  • C:\Program Files\YourSiteBar

3. Delete the following malicious registry entries and\or values:

  • Key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IST Service
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Start Page[site address]
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Bar[site address]
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Page[site address]
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Bandrestnever
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Use Search Assistantno
  • Key:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Search\SearchAssistant[site address]
  • Key:
    HKEY_LOCAl_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Bandrestnever
  • Key: HKEY_CURRENT_USER\Software\IST
  • Key: HKEY_CURRENT_USER\Software\ISTbar
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\ISTsvc
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\ISTbar
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Sidefind
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\YourSiteBar
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DownloadManager
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Sidefind
  • Key: HKEY_CLASSES_ROOT\BrowserHelperObject.BAHelper
  • Key: HKEY_CLASSES_ROOT\BrowserHelperObject.BAHelper.1
  • Key: HKEY_CLASSES_ROOT\ISTbar.BarObj
  • Key: HKEY_CLASSES_ROOT\ISTactivex.Installer
  • Key: HKEY_CLASSES_ROOT\ISTactivex.Installer.1
  • Key: HKEY_CLASSES_ROOT\ISTactivex.Installer.2
  • Key: HKEY_CLASSES_ROOT\ISTx.Installer
  • Key: HKEY_CLASSES_ROOT\ISTx.Installer.2
  • Key: HKEY_CLASSES_ROOT\Pugi.PugiObj
  • Key: HKEY_CLASSES_ROOT\Pugi.PugiObj.1
  • Key: HKEY_CLASSES_ROOT\SideFind.Finder
  • Key: HKEY_CLASSES_ROOT\SideFind.Finder.1
  • Key: HKEY_CLASSES_ROOT\TestContentMatchControl1.ContentMatchTag
  • Key: HKEY_CLASSES_ROOT\TestContentMatchControl1.ContentMatchTag.1
  • Key: HKEY_CLASSES_ROOT\Ysb.YsbObj
  • Key: HKEY_CLASSES_ROOT\Ysb.YsbObj.1
  • Key: HKEY_CLASSES_ROOT\YSBactivex.Installer
  • Key: HKEY_CLASSES_ROOT\YSBactivex.Installer.1
  • Key: HKEY_CLASSES_ROOT\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}
  • Key: HKEY_CLASSES_ROOT\CLSID\{386A771C-E96A-421f-8BA7-32F1B706892F}
  • Key: HKEY_CLASSES_ROOT\CLSID\{42F2C9BA-614F-47c0-B3E3-ECFD34EED658}
  • Key: HKEY_CLASSES_ROOT\CLSID\{5F1ABCDB-A875-46c1-8345-B72A4567E486}
  • Key: HKEY_CLASSES_ROOT\CLSID\{771A1334-6B08-4a6b-AEDC-CF994BA2CEBE}
  • Key: HKEY_CLASSES_ROOT\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}
  • Key: HKEY_CLASSES_ROOT\CLSID\{86227D9C-0EFE-4F8A-AA55-30386A3F5686}
  • Key: HKEY_CLASSES_ROOT\CLSID\{8CBA1B49-8144-4721-A7B1-64C578C9EED7}
  • Key: HKEY_CLASSES_ROOT\CLSID\{A3FDD654-A057-4971-9844-4ED8E67DBBB8}
  • Key: HKEY_CLASSES_ROOT\CLSID\{DC341F1B-EC77-47BE-8F58-96E83861CC5A}
  • Key: HKEY_CLASSES_ROOT\CLSID\{FAA356E4-D317-42A6-AB41-A3021C6E7D52}
  • Key: HKEY_CLASSES_ROOT\Interface\{03B800F9-2536-4441-8CDA-2A3E6D15B4F8}
  • Key: HKEY_CLASSES_ROOT\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}
  • Key: HKEY_CLASSES_ROOT\Interface\{0E704BA4-C517-4BE7-A1CD-C3FFDA1E1FFE}
  • Key: HKEY_CLASSES_ROOT\Interface\{339D8AFF-0B42-4260-AD82-78CE605A9543}
  • Key: HKEY_CLASSES_ROOT\Interface\{7B9A715E-9D87-4C21-BF9E-F914F2FA953F}
  • Key: HKEY_CLASSES_ROOT\Interface\{90CE74CC-788A-4A00-B38D-CBCA08CC9E8F}
  • Key: HKEY_CLASSES_ROOT\Interface\{A36A5936-CFD9-4B41-86BD-319A1931887F}
  • Key: HKEY_CLASSES_ROOT\Interface\{BF06DA8E-2BEB-4816-9BBD-F7625246E245}
  • Key: HKEY_CLASSES_ROOT\Interface\{DC065FA6-08F9-4C50-99DC-275D16CFC5BD}
  • Key: HKEY_CLASSES_ROOT\Interface\{DFBCC1EB-B149-487E-80C1-CC1562021542}
  • Key: HKEY_CLASSES_ROOT\Interface\{EAF2CCEE-21A1-4203-9F36-4929FD104D43}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{4EE12B71-AA5E-45EC-8666-2DB3AD3FDF44}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{58634367-D62B-4C2C-86BE-5AAC45CDB671}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{6D3F5DE4-E980-4407-A10F-9AC771ABAAE6}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{89A10D64-83BF-41A4-86A3-7AAF1F8F3D1B}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{CC257918-F435-4A33-8231-2B8195990CCA}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{D0288A41-9855-4A9B-8316-BABE243648DA}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{DB447818-96B4-40DF-8A55-720DA496F514}
  • Key: HKEY_CLASSES_ROOT\TypeLib\{E9A5B71C-093B-4F34-AF07-34FCA89BA0DF}
  • Key:
    HKEY_CLASSES_ROOT\Component Categories\{00021494-0000-0000-C000-000000000046}
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CurrentVersion\Explorer\Browser Helper Objects
    \{A3FDD654-A057-4971-9844-4ED8E67DBBB8}
  • Key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions\{10E42047-DEB9-4535-A118-B3F6EC39B807}
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage
    \%Windir%/Downloaded Program Files/istactivex.dll
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units
    \{7C559105-9ECF-42B8-B3F7-832E75EDD959}
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
    \ZoneMap\Domains\contentmatch.net
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    \ISTbar
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    \ISTsvc
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    \ISTbarISTbar
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    \SideFind
  • Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    \YourSiteBar

Warning: if value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use WiperSoft Antispyware Malware Remediation Tool for safe problem solution.


Uninstall ISTbar (Adware.ISTbar) related programs from Control Panel

We recommend you to check list of installed programs and search for ISTbar (Adware.ISTbar) entry or other unknown and suspicious programs. Below are instructions for different version if Windows. In some cases adware programs are protected by malicious service or process and it will not allow you to uninstall it. If ISTbar (Adware.ISTbar) won't uninstall or gives you error message that you do not have sufficient rights to do this perform below instructions in Safe Mode or Safe Mode with Networking or use WiperSoft Antispyware Malware Remediation Tool.


Windows 10

  • Click on the Start menu and choose Settings
  • Then click on System and choose Apps & Features in the left column
  • Find ISTbar (Adware.ISTbar) under in the list and click Uninstall button near it.
  • Confirm by clicking Uninstall button in opened window if necessary.

Windows 8/8.1

  • Right click on the bottom left corner of the screen (while on your desktop)
  • In the menu choose Control Panel
  • Click Uninstall a program under Programs and Features.
  • Locate programs that can be connected with ISTbar (Adware.ISTbar) or other related suspicious program.
  • Click Uninstall button.
  • Wait until uninstall process is complete.

Windows 7/Vista

  • Click Start and choose Control Panel.
  • Choose Programs and Features and Uninstall a program.
  • In the list of installed programs find entries related to ISTbar (Adware.ISTbar)
  • Click Uninstall button.

Windows XP

  • Click Start
  • In the menu choose Control Panel
  • Choose Add / Remove Programs.
  • Find ISTbar (Adware.ISTbar) related entries.
  • Click Remove button.

Remove ISTbar (Adware.ISTbar) related extensions from your browsers

ISTbar (Adware.ISTbar) in some cases can be accompanied with browsers extension. We recommend you to use free option Toolbar Remover under Tools in Spyhunter Remediation Tool to remove unwanted browser extensions related to ISTbar (Adware.ISTbar). We recommend you to perform scan your PC with Removal Tool or Spyhunter Remediation Tool. To remove extenions from your browsers manually do the following:

Internet Explorer

  • While in Internet Explorer click cogwheel icon in the top right corner
  • In the menu choose the Manage Add-ons
  • Select Toolbar and Extension tab.
  • Choose add-on possibly related to ISTbar (Adware.ISTbar) or other related adware BHO.
  • Click Disable button.

Warning: This option will only disable unwanted plugin. For effective ISTbar (Adware.ISTbar) removal use WiperSoft Antispyware Malware Remediation Tool.

Google Chrome

  • Start Google Chrome.
  • In the address bar type chrome://extensions/
  • In the list of add-ons find related to ISTbar (Adware.ISTbar) and click recycle bin icon.
  • Confirm ISTbar (Adware.ISTbar) removal.

Mozilla Firefox

  • Open Firefox
  • In the address bar type about:addons
  • Click Extensions tab.
  • In the list of extension locate ones related to ISTbar (Adware.ISTbar).
  • Click Remove button near it.

Protect computer and browsers from infection

Adware threats like ISTbar (Adware.ISTbar) are very widespread and, unfortunately, many anti-virus programs fail to detect it. To protect your computer from future infection we recommend you to use WiperSoft Antispyware Malware Remediation Tool, it has active protection module and browser settings guard. It does not conflict with any anti-virus programs and creates additional shield against threats like ISTbar (Adware.ISTbar).


Here are the descriptions of problems connected with ISTbar (Adware.ISTbar) and (*.*) we received earlier:

Problem Summary: error message rc-2304

when I go onto a site it goes on for a second then says site has been interrupted and is now shutting down (rc-2304)

Problem was successfully solved. Ticket was closed.

Problem Summary: Firewall also RC 2304 problem

I log into paltalk. I can not enter any rooms. After a minute I get check firewall. closes me out. I have tried everything to fix this. Can't seem to get anywhere. please help.

Problem was successfully solved. Ticket was closed.

Problem Summary: Firewall connection error code rc 2304

I did this b4 and you said i had virus. I followed all directions. I get an error code rc 2304. the problems is not fixed

Problem was successfully solved. Ticket was closed.

Problem Summary: sytem shutdown dialog box 50min

when ever i run pro engineer a dialog box appear with50 min count down to shut down of system when 59 minutes complete system shuts down. the dialog box prompt for saving of data before shut down

Problem was successfully solved. Ticket was closed.

Problem Summary: winguard2009.microsoft.com

When I try to go to any website, I get the internet explore cannot display the webpage page but at the top it always reads http://winguard2009.microsoft.com/block.php?r=56.1 I've tried every way to get rid of this, it only allows me to go to a limited amount of websites and so far my research leads me to believe this is a worm. please help. I've tried to download your removal system but it won't let me do that either.

Problem was successfully solved. Ticket was closed.

Problem Summary: winguard2009.microsoft.com

When I try to go to any website, I get the internet explore cannot display the webpage page but at the top it always reads http://winguard2009.microsoft.com/block.php?r=56.1 I've tried every way to get rid of this, it only allows me to go to a limited amount of websites and so far my research leads me to believe this is a worm. please help. I've tried to download your removal system but it won't let me do that either.

Problem was successfully solved. Ticket was closed.

Problem Summary: CA parental blocked

cannot access internet or get into my g-mail account \r\nblocked by CA Parental security. ahow do i remove or unblocked

Our support has contacted the author of this message, Pat, and helped to solve his problem.

Problem was successfully solved. Ticket was closed.

Problem Summary: idm detecret that its idm registry key has been damage since the last use it is possible that run flaky spyware remover program which corrupts the system registry

idm is giving me a problem sending a message sying that the idm registry key is damage since the last run it is possible that run a flaky spyware which corrupts the system registry what to do

Problem was successfully solved. Ticket was closed.

Problem Summary: can't create a second nickname

I have only 2 nicknames and that's it. Every time I try creating a new nicknames it doesn't work

Problem was successfully solved. Ticket was closed.

Problem Summary: Problem Summary: error message at boot up time can not find

Problem Summary: error message at boot up time
can not find script file "c:\windows\system32\viruscleaner.vbe

Problem was successfully solved. Ticket was closed.

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