NSBlock
Posted: March 23, 2017
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
Ranking: | 3,663 |
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Threat Level: | 1/10 |
Infected PCs: | 18,943 |
First Seen: | March 23, 2017 |
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Last Seen: | October 17, 2023 |
OS(es) Affected: | Windows |
NSBlock is a Potentially Unwanted Program (PUP) that claims to provide users with protection from spyware, phishing, or other potentially harmful websites that they may encounter while browsing the Web. The extension does this by displaying a notification and halting the connection to the website that the user is trying to visit temporarily if it turns out that the page in question is suspicious. While these actions may certainly seem helpful, users who wish to stay safe online should keep in mind that there are more reliable and reputable tools that offer this protection. Furthermore, the NSBlock software also may establish some suspicious connections to remote hosts that might be associated with advertising activities. This means that, at some point, NSBlock may become the reason for the presence of unwanted ads in the user's Web browser. It also is possible that NSBlock may load these ads in a background process silently, therefore hiding this activity from the user.
The 'Terms & Conditions' of NSBlock also reveal some interesting things such as that the publisher notes that the extension may offer customers the ability to install 3rd-party search services and extensions in the future. While this can only happen with the user's consent, it is important to note that reputable software of this sort may not promote 3rd-party software that may often end up being untrustworthy.
If you are not bothered by NSBlock's weird behavior, then you may keep on using this application. However, if you did not install NSBlock on purpose or if you think that you should find a better alternative to this software, then we advise you to remove NSBlock as soon as possible. The NSBlock software may be removed manually via the Windows Control Panel or with the help of credible computer security software.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:NSBlock.exe
File name: NSBlock.exeSize: 1.5 MB (1508352 bytes)
MD5: b89e0e454f90401cb122baa540cd7c1d
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: April 25, 2020
Registry Modifications
Regexp file mask%WINDIR%\System32\ns.block%WINDIR%\System32\NSBlockA.dll%WINDIR%\System32\NSBlockB.dllHKEY..\..\..\..{RegistryKeys}SOFTWARE\Classes\AppID\{1C6F51F8-BCE6-4702-8952-6A8233359FBC}SOFTWARE\WOW6432Node\Classes\AppID\{1C6F51F8-BCE6-4702-8952-6A8233359FBC}HKEY_LOCAL_MACHINE\Software\[APPLICATION]\Microsoft\Windows\CurrentVersion\Uninstall..{Uninstaller}{e512339c-40d8-42ea-9749-c8ddb8cf39d2}
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