Blockandsurf

By GoldSparrow in Adware

Threat Scorecard

Ranking:	4,919
Threat Level:	20 % (Normal)
Infected Computers:	236,520

First Seen:	March 17, 2014
Last Seen:	March 1, 2024
OS(es) Affected:	Windows

Blockandsurf is a Web browser add-on that is classified as a Potentially Unwanted Program by PC security researchers. Although Blockandsurf is advertised as a way of avoiding unwanted content when browsing the Web, the fact is that Blockandsurf may expose the affected Web browser to plenty of unwanted content. Because of this, PC security analysts consider that using Blockandsurf is not worth the trouble of dealing with its various unwanted outcomes, regardless of any supposed services or benefits that Blockandsurf is marketed as having. Security analysts advise removing Blockandsurf entirely from the affected computer. Because Blockandsurf is often designed to prevent easy removal and may also expose the affected computer to potentially harmful online content, PC security researchers advise computer users to get the intervention of a reliable security product to examine the affected computer after uninstalling Blockandsurf and as part of the removal procedure.

Table of Contents

How to Avoid the Installation of PUPs such as Blockandsurf

In most cases, Blockandsurf is installed automatically. A common way of distributing programs like Blockandsurf is by bundling them with freeware downloaded from a dubious source. Typically, the computer user may have the option of opting out of installing the PUP. However, in many cases, the computer user may overlook this option or it may be hidden from view. To prevent PUPs like Blockandsurf from being installed automatically, it is important to observe the installation method of any new software attentively and to use custom installation to make sure that the components being installed are the ones you want.

Stopping Unwanted Problems Caused by an Unwanted Tool

Malware analysts have received reports of various problems linked to Blockandsurf. Some symptoms associated with Blockandsurf may include Web browser redirects, pop-ups and new tabs. Blockandsurf may also make changes to the affected Web browser's settings, such as creating a new default home page or default search engine automatically. Blockandsurf may cause performance problems on affected computers. Some typical performance issues may include general slowness, problems connecting to the Internet, freezing and frequent crashes on the affected computer.

SpyHunter Detects & Remove Blockandsurf

File System Details

Blockandsurf may create the following file(s):

Expand All | Collapse All

#	File Name	MD5	Detections Detections: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
1.	J4BlockAndSurfJ52.exe	3a23f6b0f512eb925f054ff68dcbec50	1,479
Name: J4BlockAndSurfJ52.exe MD5: 3a23f6b0f512eb925f054ff68dcbec50 Size: 512 KB (512000 bytes) Detections: 1,479 Type: Executable File Path: %PROGRAMFILES%\ver5BlockAndSurf Group: Malware file Last Updated: April 9, 2016
2.	J4BlockAndSurfJ52.exe	3771ab06483354a5b6a8566912db82b2	1,333
Name: J4BlockAndSurfJ52.exe MD5: 3771ab06483354a5b6a8566912db82b2 Size: 541.18 KB (541184 bytes) Detections: 1,333 Type: Executable File Path: C:\Program Files (x86)\ver6BlockAndSurf\J4BlockAndSurfJ52.exe Group: Malware file Last Updated: October 12, 2021
3.	J4BlockAndSurfJ52.exe	e97306e92a12420f91b8f75d7a3f79cd	1,150
Name: J4BlockAndSurfJ52.exe MD5: e97306e92a12420f91b8f75d7a3f79cd Size: 512 KB (512000 bytes) Detections: 1,150 Type: Executable File Path: %PROGRAMFILES%\version92BlockAndSurf Group: Malware file Last Updated: April 9, 2016
4.	J4BlockAndSurfJ52.exe	4f34cf378123aad56b4bb610e27a23e6	1,002
Name: J4BlockAndSurfJ52.exe MD5: 4f34cf378123aad56b4bb610e27a23e6 Size: 541.69 KB (541696 bytes) Detections: 1,002 Type: Executable File Path: %PROGRAMFILES(x86)%\ver2BlockAndSurf Group: Malware file Last Updated: May 30, 2020
5.	BlockAndSurf.exe	605d22f143751097c13d6d38b6f0e291	949
Name: BlockAndSurf.exe MD5: 605d22f143751097c13d6d38b6f0e291 Size: 196.6 KB (196608 bytes) Detections: 949 Type: Executable File Path: %PROGRAMFILES%\ver5BlockAndSurf Group: Malware file Last Updated: November 2, 2019
6.	J4BlockAndSurfJ52.exe	a7ca7faa30cbab500f0ed4e0356618cc	915
Name: J4BlockAndSurfJ52.exe MD5: a7ca7faa30cbab500f0ed4e0356618cc Size: 512.51 KB (512512 bytes) Detections: 915 Type: Executable File Path: %PROGRAMFILES%\ver1BlockAndSurf Group: Malware file Last Updated: December 16, 2018
7.	J4BlockAndSurfJ52.exe	9d1a17c3ed61f2fa531a3d731d54236d	846
Name: J4BlockAndSurfJ52.exe MD5: 9d1a17c3ed61f2fa531a3d731d54236d Size: 542.2 KB (542208 bytes) Detections: 846 Type: Executable File Path: %PROGRAMFILES%\ver1BlockAndSurf Group: Malware file Last Updated: April 9, 2016
8.	J4BlockAndSurfJ52.exe	8cf76a7487539e6318f8d93091e61150	840
Name: J4BlockAndSurfJ52.exe MD5: 8cf76a7487539e6318f8d93091e61150 Size: 512 KB (512000 bytes) Detections: 840 Type: Executable File Path: %PROGRAMFILES%\ver5BlockAndSurf Group: Malware file Last Updated: April 9, 2016
9.	J4BlockAndSurfJ52.exe	aa38fafc26f296543adfe78f54f3942e	828
Name: J4BlockAndSurfJ52.exe MD5: aa38fafc26f296543adfe78f54f3942e Size: 541.69 KB (541696 bytes) Detections: 828 Type: Executable File Path: C:\Users\<username>\AppData\Roaming\ZHP\Quarantine\J4BlockAndSurfJ52.exe Group: Malware file Last Updated: April 8, 2021
10.	BlockAndSurf.exe	755676f4f40f8017cf9d1035ab1909fd	805
Name: BlockAndSurf.exe MD5: 755676f4f40f8017cf9d1035ab1909fd Size: 219.64 KB (219648 bytes) Detections: 805 Type: Executable File Path: %PROGRAMFILES%\ver6BlockAndSurf Group: Malware file Last Updated: April 11, 2020
11.	J4BlockAndSurfJ52.exe	fe5d4736107e3e354cfea2169342bd91	735
Name: J4BlockAndSurfJ52.exe MD5: fe5d4736107e3e354cfea2169342bd91 Size: 512.51 KB (512512 bytes) Detections: 735 Type: Executable File Path: %PROGRAMFILES(x86)%\ver0BlockAndSurf Group: Malware file Last Updated: April 9, 2016
12.	BlockAndSurf.exe	1cb95b97ee3e86a663320a2b712581e2	696
Name: BlockAndSurf.exe MD5: 1cb95b97ee3e86a663320a2b712581e2 Size: 196.6 KB (196608 bytes) Detections: 696 Type: Executable File Path: %PROGRAMFILES%\ver5BlockAndSurf Group: Malware file Last Updated: December 14, 2022
13.	BlockAndSurf.exe	b12917b85b5aa558a5edca10108c00c8	651
Name: BlockAndSurf.exe MD5: b12917b85b5aa558a5edca10108c00c8 Size: 219.64 KB (219648 bytes) Detections: 651 Type: Executable File Path: %PROGRAMFILES(x86)%\ver2BlockAndSurf Group: Malware file Last Updated: May 30, 2020
14.	BlockAndSurf.exe.vir	528d4bd62ee3a1f8bc3077bd93b6bbfa	651
Name: BlockAndSurf.exe.vir MD5: 528d4bd62ee3a1f8bc3077bd93b6bbfa Size: 196.6 KB (196608 bytes) Detections: 651 Path: C:\Cosas de Sagra\AdwCleaner\Quarantine\C\Program Files (x86)\version92BlockAndSurf\BlockAndSurf.exe.vir Group: Malware file Last Updated: February 19, 2023
15.	BlockAndSurf.exe	0c4df6b4c6bfeed346f8aa48b11c4a0a	559
Name: BlockAndSurf.exe MD5: 0c4df6b4c6bfeed346f8aa48b11c4a0a Size: 219.64 KB (219648 bytes) Detections: 559 Type: Executable File Path: %PROGRAMFILES%\ver1BlockAndSurf Group: Malware file Last Updated: April 9, 2016
16.	BlockAndSurf.exe	1b539cbbde4d166939d46b883ae4b718	540
Name: BlockAndSurf.exe MD5: 1b539cbbde4d166939d46b883ae4b718 Size: 196.6 KB (196608 bytes) Detections: 540 Type: Executable File Path: C:\Program Files\ver1BlockAndSurf\BlockAndSurf.exe Group: Malware file Last Updated: November 8, 2021
17.	BlockAndSurf.exe	edaa2fa7bb1c149d5fc8cda58104a76c	536
Name: BlockAndSurf.exe MD5: edaa2fa7bb1c149d5fc8cda58104a76c Size: 219.64 KB (219648 bytes) Detections: 536 Type: Executable File Path: C:\Program Files (x86)\ver7BlockAndSurf\BlockAndSurf.exe Group: Malware file Last Updated: April 8, 2021
18.	BlockAndSurf.exe	9aa930eee606b2d7c9fa3b53f13b73e2	512
Name: BlockAndSurf.exe MD5: 9aa930eee606b2d7c9fa3b53f13b73e2 Size: 196.6 KB (196608 bytes) Detections: 512 Type: Executable File Path: %PROGRAMFILES(x86)%\ver0BlockAndSurf Group: Malware file Last Updated: April 9, 2016
19.	J4BlockAndSurfJ52.exe	f40eb5f75564835fe91780aaf7935eaf	475
Name: J4BlockAndSurfJ52.exe MD5: f40eb5f75564835fe91780aaf7935eaf Size: 512.51 KB (512512 bytes) Detections: 475 Type: Executable File Path: C:\$Recycle.Bin\S-1-5-21-1289636658-4252864634-1999143069-1002\$R7IBCUX\J4BlockAndSurfJ52.exe Group: Malware file Last Updated: July 22, 2022
20.	J4BlockAndSurfJ52.exe	978a5add9f99e18b5c352dd61758c044	417
Name: J4BlockAndSurfJ52.exe MD5: 978a5add9f99e18b5c352dd61758c044 Size: 519.68 KB (519680 bytes) Detections: 417 Type: Executable File Path: %PROGRAMFILES%\ver1BlockAndSurf Group: Malware file Last Updated: December 13, 2016
21.	J4BlockAndSurfJ52.exe	f630bd0134a2b4e7c92d6de62bc444f1	412
Name: J4BlockAndSurfJ52.exe MD5: f630bd0134a2b4e7c92d6de62bc444f1 Size: 541.69 KB (541696 bytes) Detections: 412 Type: Executable File Path: %PROGRAMFILES%\ver2BlockAndSurf Group: Malware file Last Updated: December 13, 2016
22.	J4BlockAndSurfJ52.exe	01611e047d9c93052026c51acaf14d9a	401
Name: J4BlockAndSurfJ52.exe MD5: 01611e047d9c93052026c51acaf14d9a Size: 512.51 KB (512512 bytes) Detections: 401 Type: Executable File Path: C:\Program Files (x86)\ver7BlockAndSurf\J4BlockAndSurfJ52.exe Group: Malware file Last Updated: December 5, 2023
23.	W8bi188.exe	8010cf4d55f2c99f365103f4cd79b2b4	392
Name: W8bi188.exe MD5: 8010cf4d55f2c99f365103f4cd79b2b4 Size: 347.64 KB (347648 bytes) Detections: 392 Type: Executable File Path: %PROGRAMFILES%\ver0BlockAndSurf Group: Malware file Last Updated: December 13, 2016
24.	J4BlockAndSurfJ52.exe	1199091008383d7ad33124cf3a6af828	379
Name: J4BlockAndSurfJ52.exe MD5: 1199091008383d7ad33124cf3a6af828 Size: 512.51 KB (512512 bytes) Detections: 379 Type: Executable File Path: %PROGRAMFILES(x86)%\ver7BlockAndSurf Group: Malware file Last Updated: December 13, 2016
25.	J4BlockAndSurfJ52.exe	757b60749bae768cd1e630301ad587eb	348
Name: J4BlockAndSurfJ52.exe MD5: 757b60749bae768cd1e630301ad587eb Size: 512.51 KB (512512 bytes) Detections: 348 Type: Executable File Path: %PROGRAMFILES%\ver5BlockAndSurf Group: Malware file Last Updated: December 13, 2016
26.	J4BlockAndSurfJ52.exe	71e58a1a6e292006c740b7beb55fbb82	336
Name: J4BlockAndSurfJ52.exe MD5: 71e58a1a6e292006c740b7beb55fbb82 Size: 541.69 KB (541696 bytes) Detections: 336 Type: Executable File Path: %PROGRAMFILES(x86)%\ver1BlockAndSurf Group: Malware file Last Updated: December 13, 2016
27.	J4BlockAndSurfJ52.exe	ccbadffc6c1b440d9b3d3cc1268d7a87	333
Name: J4BlockAndSurfJ52.exe MD5: ccbadffc6c1b440d9b3d3cc1268d7a87 Size: 512.51 KB (512512 bytes) Detections: 333 Type: Executable File Path: %PROGRAMFILES%\ver8BlockAndSurf Group: Malware file Last Updated: December 13, 2016

More files

Registry Details

Blockandsurf may create the following registry entry or registry entries:

CLSID

{D71A683E-C9E3-F804-9685-2A9D36B20547}

File name without path

http_block-n-surf.com_0.localstorage

http_block-n-surf.com_0.localstorage-journal

Regexp file mask

%windir%\System32\Tasks\BlockAndSurf Update

%windir%\System32\Tasks\BlockAndSurf_wd

%WinDir%\Tasks\BlockAndSurf Update.job

%WinDir%\Tasks\BlockAndSurf_wd.job

HKEY..\..\..\..{RegistryKeys}

Software\AppDataLow\Software\BlockAndSurf

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.job

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.job.fp

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.job

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.job.fp

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf Update

SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf_wd

Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{D3EF7DD7-D040-0965-D2C3-A0ECE64E7E98}

Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{D3EF7DD7-D040-0965-D2C3-A0ECE64E7E98}

Software\Microsoft\Windows\CurrentVersion\Run\BlockAndSurf

Software\Microsoft\Windows\CurrentVersion\Run\BlockNSurf

Software\Mozilla\Firefox\Extensions\{7D28CEA6-D0D4-A51C-042D-40679BCF0219}

Software\Mozilla\Firefox\Extensions\{828c786a-e911-4821-aabd-a58eff0dcf02}

Software\Mozilla\Firefox\Extensions\{C84E2F89-F883-97B9-5382-1226EEEAD045}

Software\Mozilla\Firefox\Extensions\{e7042136-bd19-4c7e-b6e3-8a360fd2f2aa}

SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BlockAndSurf

SYSTEM\ControlSet001\services\BlockAndSurf

SYSTEM\ControlSet001\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64

SYSTEM\ControlSet002\services\BlockAndSurf

SYSTEM\ControlSet002\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64

SYSTEM\CurrentControlSet\services\BlockAndSurf

SYSTEM\CurrentControlSet\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64

Directories

Blockandsurf may create the following directory or directories:

%PROGRAMFILES%\-BlockAndSurfS

%PROGRAMFILES%\BlockAndSurf Corp

%PROGRAMFILES%\BlockAndSurf-soft

%PROGRAMFILES%\BlockAndSurfS

%PROGRAMFILES%\di2BlockAndSurf

%PROGRAMFILES%\di3BlockAndSurf

%PROGRAMFILES%\di4BlockAndSurf

%PROGRAMFILES%\di5BlockAndSurf

%PROGRAMFILES%\di8BlockAndSurf

%PROGRAMFILES%\v01BlockAndSurf

%PROGRAMFILES%\ver3BlockAndSurf

%PROGRAMFILES(x86)%\-BlockAndSurf-soft

%PROGRAMFILES(x86)%\-BlockAndSurfS

%PROGRAMFILES(x86)%\BlockAndSurf Corp

%PROGRAMFILES(x86)%\BlockAndSurf-soft

%PROGRAMFILES(x86)%\BlockAndSurfS

%PROGRAMFILES(x86)%\BlockAndSurf_P

%PROGRAMFILES(x86)%\di2BlockAndSurf

%PROGRAMFILES(x86)%\di3BlockAndSurf

%PROGRAMFILES(x86)%\di4BlockAndSurf

%PROGRAMFILES(x86)%\di5BlockAndSurf

%PROGRAMFILES(x86)%\di8BlockAndSurf

%PROGRAMFILES(x86)%\v01BlockAndSurf

%PROGRAMFILES(x86)%\ver3BlockAndSurf

URLs

Blockandsurf may call the following URLs:

BlockAndSurf

Enigma Software Group Prevails Over Malwarebytes at the Ninth Circuit

Search

Change Region

Blockandsurf

Threat Scorecard

EnigmaSoft Threat Scorecard

How to Avoid the Installation of PUPs such as Blockandsurf

Stopping Unwanted Problems Caused by an Unwanted Tool

SpyHunter Detects & Remove Blockandsurf

File System Details

Registry Details

Directories

URLs

Submit Comment

Trending

Re-captha-version-3-73.com

1xlite-563592.top

Eleniferical.co.in

Most Viewed

Discord Shows Black Screen when Sharing Screen

How To Fix 'Printer Driver is Unavailable' Error

What is Msedge.exe?