Title: OpenSite

Type: Adware

Remove OpenSite. Removal instructions

Severity scale:

(32 / 100)

OpenSite is an adware program that displays commercial advertisements based on keywords it detects in web search queries, which the user enters into the web browser's address bar. OpenSite may also change the Internet Explorer default home page. The adware can get into the system while visiting certain web sites. It can also be manually installed. OpenSite runs on every Windows startup.

OpenSite properties:
• Changes browser settings
• Shows commercial adverts
• Hides from the user
• Stays resident in background

Automatic OpenSite removal:

remover for OpenSite

SpyHunter is recommended remover to uninstall OpenSite. You should confirm using free trial that it detects current version of parasite.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manul removal instructions below.

If you failed to remove OpenSite using SpyHunter please report this to us.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use.

STOPzilla

download | review

We are testing STOPzilla's efficiency at removing OpenSite (2005-09-29 18:03:32)

Malwarebytes Anti Malware

download | review

We are testing Malwarebytes Anti Malware's efficiency at removing OpenSite (2005-09-29 18:03:32)

Spyware Doctor

download | review | tutorial

We are testing Spyware Doctor's efficiency at removing OpenSite (2005-09-29 18:03:32)

XoftSpySE Anti Spyware

download | review

OpenSite manual removal:

FORUM:
Discuss OpenSite in
spyware removal forum

Kill processes:
opnste.exe

HELP:
how to kill malicious processes

Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Open Site
HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{30A56549-9D5B-4D34-AFA7-440A7F0538A9}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{30A56549-9D5B-4D34-AFA7-440A7F0538A9}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Open Site

HELP:
how to remove registry entries

Unregister DLLs:
opnste.dll

HELP:
how to unregister malicious DLLs

Delete files:
opnste.exe, opnste.dll

HELP:
how to remove harmful files

Delete directories:
C:\Program Files\Open Site

Information added: 2004-03-19 10:00:00
Information updated: 2005-09-29 15:26:17

Additional resources related to OpenSite:

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Spreading the knowledge:

It is very hard to fight Computer parasites alone in internet space. If you have a website we would be more than happy if you would help us to spread the knowledge about latest threats. You can help your visitors to manage their Computer system manually without aditional expences. Knowledge is the power, we just need to spread it.