Block Checker

Block Checker is an easy to use desktop application that is designed to check the popular Instant Messengers like MSN, Yahoo and AOL for friends’ online status. Adware.navshext lowers Internet security settings, adds itself to firewall exclusion policies and downloads a number of adware programs. Unexpected advertisements are sent to contacts of instant messenger. 0

General information:

Malware Name: Block Checker
Malware Type: Adware
Company Name: Block Checker
Company URL: http://www.block-checker.com/
Threat Level: Elevated Risk
Operating System: WIN XP
Installation Type: Installed through EXE
Operation: Time of After Installation.

Company Description:

Block Checker is an easy to use desktop application that is designed to check the popular Instant Messengers like MSN, Yahoo and AOL for friends’ online status. We can tell if they are offline or online simply by putting their sign in into its program. No method is 100% accurate to check if someone is online or offline, however its employ state of the art methods of checking if someone is online or offline.

Spyware Description:

Block Checker is an easy to use desktop application that is designed to check the popular Instant Messengers like MSN, Yahoo and AOL for friends’ online status. Adware.navshext lowers Internet security settings, adds itself to firewall exclusion policies and downloads a number of adware programs. Unexpected advertisements are sent to contacts of instant messenger. 0

Characteristics/Symptoms:

    -> Monitor and capture data from computers -> Run in stealth mode -> Starts with the operating system -> Degrade the performance and stability of the computer0

Additional information might be found here:

google Search at Google for Block Checker
bing Search at Bing for Block Checker
yahoo Search at Yahoo for Block Checker

Processes Running:

block-checker.exe

File information Created after Installation:

File Location Size (Bytes) Type
C:\Program Files\Block Checker\block-checker.exe 49152 Application
C:\Program Files\Block Checker\setup_finish.exe 16384 Application
C:\Program Files\Block Checker\uninstall.exe 64512 Application

Folder information Created after Installation:

Folder Location
C:\Documents and Settings\All Users\Start Menu\Programs\Block Checker
C:\Program Files\Block Checker

Registry information Created after Installation:

Main Registry Key Sub Registry Key Key Value Name
HKEY_LOCAL_MACHINE SOFTWAREMicrosoftWindowsCurrentVersionUninstallBlock Checker DisplayName
HKEY_LOCAL_MACHINE \SOFTWARE\Microsoft\Windows\CurrentVersion\Run BlockChecker
HKEY_LOCAL_MACHINE \SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Block Checker UninstallString