BHO/Hijacker/PopUpDefence

Alias: PopUpDefence

Description: A software that resets your browser's settings to point to other sites. Hijacks may reroute your info and address requests through an unseen site, capturing that info. In such hijacks, your browser may behave normally, but be slower.

Threat type:

BHO - A Browser Helper Object (BHO) is a software application that runs automatically whenever you start Internet Explorer. Browser Helper Objects are typically installed by other programs such as toolbar accessories and can track internet usage, create popup windows, display additional information on a viewed page and collect information that is transmitted by you over the internet. Malicious software that exploits this technology can replace banner advertisements with other ads, monitor your actions, change your home page, etc.

Hijacker - A Hijacker is a software application that takes control of your browser's settings. Usually it changes your home page and redirects it to some unknown site or modifies your search settings. It prevents you from changing back your browser's settings. An infected browser usually operates much slower.

Advice: Remove This is a very high risk threat and should be removed immediately as to prevent harm to your computer or your privacy.

Detection:
SpyNoMore detects BHO/Hijacker/PopUpDefence: Yes

Threat risk: High Risk

Very dangerous malware. Can log user's keyboard activity and take snapshots of the user's screen. Uses stealth installation and removal is very difficult. Category includes spyware programs, adware programs and trojans.

Symptoms:

BHO/Hijacker/PopUpDefence Signature Details: The following information includes some of the standard signatures associated with this spyware threat. Please do not attempt to manually remove these items from your computer; Removing these items incorrectly or partially can cause your computer to experience critical errors, prevent your computer from restarting or cause loss of Internet connectivity. Should you be infected with BHO/Hijacker/PopUpDefence, you can clean your computer by downloading SpyNoMore now.

Running Process Signatures:
N/A

File Signatures:
%WINDOWS%\system\pdf677c.dll

Registered Dll (Dynamic Link Library) Signatures:
N/A

Folder Signatures:
N/A

Registry Signatures:
HKCR\software\microsoft\windows\currentversion\explorer\browser helper objects\{d4d505df-d582-400c-91b6-84921012afe3}
HKCR\clsid\{d4d505df-d582-400c-91b6-84921012afe3}
HKLM\software\microsoft\windows\currentversion\explorer\browser helper objects\{d4d505df-d582-400c-91b6-84921012afe3}
HKLM\software\classes\clsid\{d4d505df-d582-400c-91b6-84921012afe3}

SpyNoMore Collected Residual File Signatures:
N/A

See Also:
Adware/Gabest Media Player Classic
Adware/Common Dialogs
BHO/Browserplugin.com
Adware/MetaDirect
BHO/Toolbar/Power-Linking-Profits.com
Adware/BHO/IEPageHelper
Adware/RedHotNetworks
Adware/WebHlpr
BHO/Hijacker/Search Hijacker/Comet Systems
BHO/Hijacker/Toolbar/Windows Search Bar