Home Spyware Database "ISTBar Removal Guide"

ISTBar Removal Guide

ISTBar Description

How can I Detect ISTBar?

The most common spyware removal tactic is to uninstall ISTBar by using the "Add/Remove Programs" utility. However, as there may still be hidden ISTBar files, it's possible that ISTBar will reappear after reboot. Follow the ISTBar detection and removal methods below.

ISTBar Automatic Detection (Recommended)

Is your PC infected with ISTBar? To safely & quickly detect ISTBar, we highly recommend you...

Download SpyHunter's Malware Scanner.

SpyHunter's free version is only for malware detection. If SpyHunter's malware scanner detects ISTBar on your PC, you will need to purchase SpyHunter's malware removal tool to remove ISTBar and other malware threats.

ISTBar Manual Removal Instructions

Below is a list of ISTBar manual removal instructions and ISTBar components listed to help you remove ISTBar from your PC. Backup Reminder: Always be sure to back up your PC before making any changes.

Note: This manual removal process may be difficult and you run the risk of destroying your computer. We recommend that you use SpyHunter's malware detection tool to check for ISTBar.

Step 1 : Use Windows File Search Tool to Find ISTBar Path

1. Go to Start > Search > All Files or Folders.
2. In the "All or part of the the file name" section, type in "ISTBar" file name(s).
3. To get better results, select "Look in: Local Hard Drives" or "Look in: My Computer" and then click "Search" button.
4. When Windows finishes your search, hover over the "In Folder" of "ISTBar", highlight the file and copy/paste the path into the address bar. Save the file's path on your clipboard because you'll need the file path to delete ISTBar in the following manual removal steps.

Step 2 : Use Windows Task Manager to Remove ISTBar Processes

1. To open the Windows Task Manager, use the combination of CTRL+ALT+DEL or CTRL+SHIFT+ESC.
2. Click on the "Image Name" button to search for "ISTBar" process by name.
3. Select the "ISTBar" process and click on the "End Process" button to kill it.
4. Remove the "ISTBar" processes files:
5. nls8036[1].exe searchenhancer[1].exe crack22a.exe istdownload[1].exe ISTBar[1].exe istrecover[1].exe ISTBar.exe remla.exe power_remove[1].exe l9lecc.exe penmzp.exe istdownload[2].exe istinstall_154074.exe istinstall_netscape.exe istsvc[1].exe istdownload.exe a0043626.exe a0012579.exe arn.exe bb.exe bundlernetscape.exe dust.exe istsvc[1].exeiinstall.exe istdownload.exe a0043626.exe a0012579.exe arn.exe bb.exe bundlernetscape.exe dust.exe iinstall.exe
   Read more about How to kill ISTBar Processes

Step 3 : Use Registry Editor to Remove ISTBar Registry Values

1. To open the Registry Editor, go to Start > Run > type regedit and then press the "OK" button.
2. Locate and delete the entry or entries whose data value (in the rightmost column) is the spyware file(s) detected earlier.
3. To delete "ISTBar" value, right-click on it and select the "Delete" option.
4. Locate and delete "ISTBar" registry entries:
5. 89A10D64-83BF-41A4-86A3-7AAF1F8F3D1B DC065FA6-08F9-4C50-99DC-275D16CFC5BD 5F1ABCDB-A875-46c1-8345-B72A4567E486 iefeatsl.ViewSource.1 iefeatsl.ViewSource istactivex.installer.2 IESearchbar ISTbar 8c752c5e-3c10-4076-af0a-ffc69fa20d1c 9F61CFDF-5C79-4D35-B4DA-766B28367223 9CE15EB5-6B39-4656-9E1F-2D219EE42E0E DFBCC1EB-B149-487E-80C1-CC1562021542 03B800F9-2536-4441-8CDA-2A3E6D15B4F8 4EE12B71-AA5E-45EC-8666-2DB3AD3FDF44 Microsoft\Windows\CurrentVersion\App Management\ARPCache\Power Scan Microsoft\Windows\CurrentVersion\App Management\ARPCache\ISTsvc Microsoft\Windows\CurrentVersion\App Management\ARPCache\ISTbar E9A5B71C-093B-4F34-AF07-34FCA89BA0DF TestContentMatchControl1.ContentMatchTag.1 TestContentMatchControl1.ContentMatchTag ISTx.Installer ISTbar.BarObj SOFTWARE\Microsoft\Internet Explorer\Toolbar\71ED4FBA-4024-4bbe-91DC-9704C93F453E CB.UrlCatcher.1 CB.UrlCatcher SOFTWARE\Microsoft\Internet Explorer\Toolbar\FAA356E4-D317-42A6-AB41-A3021C6E7D52 Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\FAA356E4-D317-42A6-AB41-A3021C6E7D52 71ED4FBA-4024-4bbe-91DC-9704C93F453E HKEY_CLASSES_ROOT\istactivex.installer.2 HKEY_CLASSES_ROOT\istactivex.installer.1 HKEY_CLASSES_ROOT\istactivex.installer 0e704ba4-c517-4be7-a1cd-c3ffda1e1ffe faa356e4-d317-42a6-ab41-a3021c6e7d52 ef86873f-04c2-4a95-a373-5703c08efc7b dc341f1b-ec77-47be-8f58-96e83861cc5a 7c559105-9ecf-42b8-b3f7-832e75edd959 6fd5192-a97c-4b48-a5d7-2420cfdcfdf2 42f2c9ba-614f-47c0-b3e3-ecfd34eed658 HKEY_CLASSES_ROOT\istactivex.installer.2 HKEY_CLASSES_ROOT\appid\loaderx.exe HKEY_CLASSES_ROOT\istactivex.installer.1 HKEY_CLASSES_ROOT\istactivex.installer HKEY_CLASSES_ROOT\interface\{0e704ba4-c517-4be7-a1cd-c3ffda1e1ffe} HKEY_CLASSES_ROOT\clsid\{faa356e4-d317-42a6-ab41-a3021c6e7d52} HKEY_CLASSES_ROOT\clsid\{ef86873f-04c2-4a95-a373-5703c08efc7b} HKEY_CLASSES_ROOT\clsid\{dc341f1b-ec77-47be-8f58-96e83861cc5a} HKEY_CLASSES_ROOT\clsid\{7c559105-9ecf-42b8-b3f7-832e75edd959} HKEY_CLASSES_ROOT\clsid\{6fd5192-a97c-4b48-a5d7-2420cfdcfdf2} HKEY_CLASSES_ROOT\clsid\{42f2c9ba-614f-47c0-b3e3-ecfd34eed658} HKEY_CLASSES_ROOT\appid\loaderx.exe
   Read more about How to Remove ISTBar Registry Entries

Step 4 : Use Windows Command Prompt to Unregister ISTBar DLL Files

1. To open the Windows Command Prompt, go to Start > Run > type cmd and then click the "OK" button.
2. Type "cd" in order to change the current directory, press the "space" button, enter the full path to where you believe the ISTBar DLL file is located and press the "Enter" button on your keyboard. If you don't know where ISTBar DLL file is located, use the "dir" command to display the directory's contents.
3. To unregister "ISTBar" DLL file, type in the exact directory path + "regsvr32 /u" + [DLL_NAME] (for example, :C\Spyware-folder\> regsvr32 /u ISTBar.dll) and press the "Enter" button. A message will pop up that says you successfully unregistered the file.
4. Search and unregister "ISTBar" DLL files:
5. nem220[1].dll mscb.dll msbe.dll 453mbirn.dll cmctl[1].dll cmctl.dll istbarcm[1].dll istbarcm.dll istdialog.new[1].dll acsproxy.dll trojandownloader.win32.istbar.p.dll vic32.dll ysbactivex.dll flashplayer.dll gzlib.dll srchbar.dll istbar.dll iesearchbar.dll istbar_mainstream[1].dll
   Read more about How to Remove ISTBar DLL Files

Step 5 : Detect and Delete Other ISTBar Files

1. To open the Windows Command Prompt, go to Start > Run > type cmd and then press the "OK" button.
2. Type in "dir /A name_of_the_folder" (for example, C:\Spyware-folder), which will display the folder's content even the hidden files.
3. To change directory, type in "cd name_of_the_folder".
4. Once you have the file you're looking for type in "del name_of_the_file".
5. To delete a file in folder, type in "del name_of_the_file".
6. To delete the entire folder, type in "rmdir /S name_of_the_folder".
7. Select the "ISTBar" process and click on the "End Process" button to kill it.
8. Remove the "ISTBar" processes files:
9. nem220[1].dll nls8036[1].exe istsvc.exe[2].php istsvc.exe_Removal[1].htm searchenhancer[1].exe crack22a.exe mscb.dll msbe.dll istdownload[1].exe ISTBar[1].exe istrecover[1].exe ISTBar.exe remla.exe Power Scan.lnk power_remove[1].exe 453mbirn.dll cmctl[1].dll cmctl.dll istbarcm[1].dll istbarcm.dll istdialog.new[1].dll 1D1G7QAC freeamaturemovie.lnk ezines.dat default.skn crackdb[1].htm checks.040617-1442.log chat.dat bw6mds51.ocx blank.html amature.mpg l9lecc.exe penmzp.exe istdownload[2].exe istinstall_154074.exe istinstall_netscape.exe acsproxy.dll trojandownloader.win32.istbar.p.dll vic32.dll ysbactivex.dll flashplayer.dll gzlib.dll srchbar.dll istbar.dll iesearchbar.dll istbar_mainstream[1].dll istsvc[1].exe istdownload.exe a0043626.exe a0012579.exe arn.exe bb.exe bundlernetscape.exe dust.exe iinstall.exe free amature movie.lnk ezines.dat default.skn crackdb[1].htm checks.040617-1442.log chat.dat bw6mds51.ocx blank.html amature.mpg l9lecc.exe penmzp.exe istdownload[2].exe istinstall_154074.exe istinstall_netscape.exe
   Read more about How to Delete Harmful Files

ISTBar Recommendation

RECOMMENDED: To avoid the unnecessary risk of damaging your computer, we highly recommend you use a good malware remover to track ISTBar and automatically remove ISTBar as well as other spyware, adware, trojans, and virus threats in your PC.

If you believe you have ISTBar installed on your computer, check for ISTBar with SpyHunter's Malware Scanner.

SpyHunter's free version is only for malware detection. To remove ISTBar and other malware threats, you will need to purchase SpyHunter's malware removal tool. Since new ISTBar files are constantly being released, it is normally advised to run SpyHunter's scanner weekly to get the latest updates on ISTBar and other malware threats.

To learn more on ISTBar, see our ISTBar resource section below.

ISTBar Technical Details

The following ISTBar components and their MD5s:

More ISTBar Resources

What is Browser Hijackers?

ISTBar is a type of Browser Hijackers.

Browser hijackers change your Internet web browser settings without your permission. Sometimes this means changing your home page to a pay-per-click site so that the author of the browser hijacker software earns money. Sometimes browser hijackers may change your ?search? page so that all your queries lead to pay-per-click sites, while also tracking your Internet activity. Unfortunately, simply restoring your browser to factory settings usually will not prevent the browser hijacker from working.

Think you have ISTBar? Run SpyHunter's malware scan and automatically detect ISTBar on your PC.

Back to Top

ISTBar Prevention Rules

Protect your computer from ISTBar and other spyware by following these four easy prevention rules.

Rule #1: Keep your Windows Security up-to-date

Microsoft provides updates weekly and can always be downloaded manually from the Microsoft website.
Tip: Regularly visit Windows Update and set your computer to receive security & critical updates automatically.

To get Microsoft Update, go to IE > Tools > Windows Update > Product Updates, and select "ALL High-Priority Security Updates" from the list.

Then open IE and go to Internet Options > Security > Internet, then press "Default Level", then OK. Now press "Custom Level."

Rule #2: Download and install a reliable anti-spyware software

A good anti-spyware software that recognizes current ISTBar spyware as well as other forms of spyware can can be the answer to all your security issues. Listed below is an anti-spyware program that can effectively reverse the damage of your computer and detect ISTBar automatically.

Download SpyHunter's Malware Scanner

SpyHunter's free version is only for malware detection. To remove ISTBar and other malware threats, you will need to purchase SpyHunter's malware removal tool.

Rule #3: Install and keep your firewall turned on

A firewall is essential for a complete protection of your PC. Make sure that your firewall is always turned on. A firewall can prevent unwanted software like ISTBar from infecting your computer.

Rule #4: Keep your anti-spyware definitions up-to-date

Since new ISTBar files can be created every day, it is important to keep your anti-spyware program up-to-date. Your anti-spyware scanner should have an update feature where with a click of a button you can get new spyware definitions instantly. Often, an anti-spyware software will open an update window reminding you that there are new updates available.

Back to Top

User Comments

Back to Top