Blockandsurf
Posted: March 17, 2014
Threat Metric
The Threat Meter is a malware assessment that SpywareRemove.com's research team is able to
give every identifiable malware threat. Our Threat Meter includes several criteria based off of
specific malware threats to value their severity, reach and volume. The Threat Meter is able to give
you a numerical breakdown of each threat's initial Threat Level, Detection Count, Volume Count,
Trend Path and Percentage Impact. The overall ranking of each threat in the Threat Meter is a basic
breakdown of how all threats are ranked within our own extensive malware database. The scoring for
each specific malware threat can be easily compared to other emerging threats to draw a contrast in
its particular severity. The Threat Meter is a useful tool in the endeavor of seeking a solution to
remove a threat or pursue additional analytical research for all types of computer users.
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.
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: | 3,451 |
|---|---|
| Threat Level: | 2/10 |
| Infected PCs: | 554,478 |
| First Seen: | March 17, 2014 |
|---|---|
| Last Seen: | March 8, 2025 |
| OS(es) Affected: | Windows |
Blockandsurf is adware that claims to provide benefits to your PC, when its primary functions merely are to deliver new advertisements through your Web browser. Although Blockandsurf's features aren't risky enough to call for its classification as a threat, malware researchers may find adware like Blockandsurf connected to various Web-browsing security problems, including fake software updates and other hoaxes. You are entitled to make your individual value judgments about Blockandsurf's worth, but using anti-adware software to remove Blockandsurf is encouraged as the safest choice for your Web browser.
The Adware that Gives More Problems Than It Blocks
Adware programs may claim to have other features besides advertisements that could be helpful to your browser, such as blocking third-party Web content. Blockandsurf, along with BlockUTubeAde, TUbeItAdBlockApp and other advertising software, is just such an add-on. However, as of the latest analyses, malware researchers have found Blockandsurf's content-blocking features to be nonfunctional, while its other 'features' for displaying advertisements are entirely intact. The immediate drawbacks of installing Blockandsurf may be somewhat obvious, but Blockandsurf's advertisements also may cause less than obvious problems in the following ways:
- Advertisements from Blockandsurf display automatically and cannot be disabled through your browser's settings. This risks exposing your browser to phishing attacks that collect classified information through fraud, or even scripted attacks that could install threats automatically.
- Blockandsurf advertisements may harm your browser's by increasing Web page loading times, causing stuttering or interfering with streaming content incidentally.
- Since Blockandsurf's advertisements are injected automatically, they may rearrange Web pages in ways that prevent you from accessing toolbars, buttons or other website interfaces that are needed for navigating through online content.
Even though all of these problems may be typical for most types of adware, they're no more beneficial to your PC than they were when seen countless iterations ago.
Surfing Your Way out of Blockandsurf Advertisements
Even if Blockandsurf is not categorized as a threat and lacks any functions meant to harm you or your system deliberately, Blockandsurf is both an inconvenience to your browser and a potential danger to the rest of your computer. Malware researchers find that there's little to gain from allowing adware like Blockandsurf to display advertisements automatically, and deleting Blockandsurf always should be attempted as soon as possible after Blockandsurf is noticed. Rather than trying to avoid Blockandsurf's advertisements, you should remove Blockandsurf, and the advertisements caused by Blockandsurf, with PC security products known for being able to handle adware and other Potentially Unwanted Programs, such as unwanted toolbars and browser hijackers.
The use of advertisements online is a double-edged one; although there lies potential in them for enormous profits, malware researchers and others often observe that they may coincide with significant security risks. To decide if the advertisements of any given add-on are or not trustworthy, examine its history, its distribution methods and, if necessary, trust in the scans of dependable brands of anti-malware tools that can uproot Blockandsurf and related troubles before they have an opportunity to create new issues.
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:%PROGRAMFILES(x86)%\ver4BlockAndSurf\m8BlockAndSurfZ31.exe
File name: m8BlockAndSurfZ31.exeSize: 515.07 KB (515072 bytes)
MD5: bef6fc2fad956fa046e868c8ca1be4c5
Detection count: 3,532
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver4BlockAndSurf
Group: Malware file
Last Updated: February 24, 2020
%PROGRAMFILES%\version92BlockAndSurf\J4BlockAndSurfJ52.exe
File name: J4BlockAndSurfJ52.exeSize: 512 KB (512000 bytes)
MD5: e97306e92a12420f91b8f75d7a3f79cd
Detection count: 2,693
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\version92BlockAndSurf
Group: Malware file
Last Updated: April 9, 2016
C:\Program Files (x86)\ver4BlockAndSurf\trz1130.tmp
File name: trz1130.tmpSize: 129.53 KB (129536 bytes)
MD5: ef70bec82a5bd3fb2756fbce12687ca0
Detection count: 2,384
File type: Temporary File
Mime Type: unknown/tmp
Path: C:\Program Files (x86)\ver4BlockAndSurf\trz1130.tmp
Group: Malware file
Last Updated: December 21, 2020
C:\Program Files\ver8BlockAndSurf\F3BlockAndSurft.exe
File name: F3BlockAndSurft.exeSize: 158.2 KB (158208 bytes)
MD5: 972a76f6006afa6c64c1407a767c4063
Detection count: 2,307
File type: Executable File
Mime Type: unknown/exe
Path: C:\Program Files\ver8BlockAndSurf\F3BlockAndSurft.exe
Group: Malware file
Last Updated: April 30, 2021
%PROGRAMFILES(x86)%\ver5BlockAndSurf\Q6BlockAndSurfw24.exe
File name: Q6BlockAndSurfw24.exeSize: 515.07 KB (515072 bytes)
MD5: dcfd0dbd6dd3d36b82f11aaf3113b087
Detection count: 1,853
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver5BlockAndSurf
Group: Malware file
Last Updated: September 15, 2020
%PROGRAMFILES%\ver0BlockAndSurf\R0BlockAndSurfQ33.exe
File name: R0BlockAndSurfQ33.exeSize: 732.67 KB (732672 bytes)
MD5: 7ce3ca31976ed0d4bd1faa7504d116bd
Detection count: 1,574
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\ver0BlockAndSurf
Group: Malware file
Last Updated: April 9, 2016
C:\Cosas de Sagra\AdwCleaner\Quarantine\C\Program Files (x86)\version92BlockAndSurf\BlockAndSurf.exe.vir
File name: BlockAndSurf.exe.virSize: 196.6 KB (196608 bytes)
MD5: 528d4bd62ee3a1f8bc3077bd93b6bbfa
Detection count: 1,525
Mime Type: unknown/vir
Path: C:\Cosas de Sagra\AdwCleaner\Quarantine\C\Program Files (x86)\version92BlockAndSurf\BlockAndSurf.exe.vir
Group: Malware file
Last Updated: February 19, 2023
%PROGRAMFILES(x86)%\ver8BlockAndSurf\I1BlockAndSurfI.exe
File name: I1BlockAndSurfI.exeSize: 158.72 KB (158720 bytes)
MD5: c09aafde52fc8ed9fc088ea3e45c7b91
Detection count: 1,518
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver8BlockAndSurf
Group: Malware file
Last Updated: April 9, 2016
C:\Program Files\ver1BlockAndSurf\BlockAndSurf.exe
File name: BlockAndSurf.exeSize: 196.6 KB (196608 bytes)
MD5: 1b539cbbde4d166939d46b883ae4b718
Detection count: 1,265
File type: Executable File
Mime Type: unknown/exe
Path: C:\Program Files\ver1BlockAndSurf\BlockAndSurf.exe
Group: Malware file
Last Updated: November 8, 2021
%PROGRAMFILES(x86)%\ver0BlockAndSurf\l6BlockAndSurfp84.exe
File name: l6BlockAndSurfp84.exeSize: 557.05 KB (557056 bytes)
MD5: 14a5478bd8f178fa8640d774494803e9
Detection count: 1,216
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver0BlockAndSurf
Group: Malware file
Last Updated: April 9, 2016
C:\Program Files\ver8BlockAndSurf\H6BlockAndSurfe75.exe
File name: H6BlockAndSurfe75.exeSize: 438.27 KB (438272 bytes)
MD5: 64afbdfb76b59d6e25cadc3b8f7f8ad0
Detection count: 1,209
File type: Executable File
Mime Type: unknown/exe
Path: C:\Program Files\ver8BlockAndSurf\H6BlockAndSurfe75.exe
Group: Malware file
Last Updated: April 30, 2021
%PROGRAMFILES%\ver2BlockAndSurf\I8BlockAndSurfe10.exe
File name: I8BlockAndSurfe10.exeSize: 515.07 KB (515072 bytes)
MD5: fd56eb62e0efed95f88f340612b5933e
Detection count: 1,138
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\ver2BlockAndSurf
Group: Malware file
Last Updated: April 9, 2016
%PROGRAMFILES%\ver1BlockAndSurf\186.dll
File name: 186.dllSize: 512 KB (512000 bytes)
MD5: 5daa7fa1faa2e49d5cbd055dc267a372
Detection count: 1,115
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES%\ver1BlockAndSurf
Group: Malware file
Last Updated: April 4, 2020
%PROGRAMFILES%\ver0BlockAndSurf\u5BlockAndSurfr61.exe
File name: u5BlockAndSurfr61.exeSize: 497.15 KB (497152 bytes)
MD5: 40ba7b348f039b52a760857545b43e56
Detection count: 1,005
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\ver0BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES(x86)%\ver2BlockAndSurf\a7BlockAndSurfZF176.exe
File name: a7BlockAndSurfZF176.exeSize: 195.58 KB (195584 bytes)
MD5: 7d4f9571bf42e10012d5f6c897841328
Detection count: 986
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver2BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES(x86)%\ver5BlockAndSurf\H0BlockAndSurfD34.exe
File name: H0BlockAndSurfD34.exeSize: 438.78 KB (438784 bytes)
MD5: 2665e220a30bea23a00adf5904d5f420
Detection count: 956
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver5BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES%\ver4BlockAndSurf\178.dll
File name: 178.dllSize: 233.98 KB (233984 bytes)
MD5: eb249e7bcd73b2619c9aabb1f6a7ca4d
Detection count: 956
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES%\ver4BlockAndSurf
Group: Malware file
Last Updated: February 24, 2020
%PROGRAMFILES%\ver7BlockAndSurf\184.dll
File name: 184.dllSize: 262.65 KB (262656 bytes)
MD5: 4bd4d8edff43f4bdc8a925280a2c252d
Detection count: 953
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES%\ver7BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES%\ver0BlockAndSurf\W8bi188.exe
File name: W8bi188.exeSize: 347.64 KB (347648 bytes)
MD5: 8010cf4d55f2c99f365103f4cd79b2b4
Detection count: 918
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\ver0BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES(x86)%\ver8BlockAndSurf\C7BlockAndSurfO84.exe
File name: C7BlockAndSurfO84.exeSize: 438.78 KB (438784 bytes)
MD5: fefb6ce575ac8f84c60ae1105c915758
Detection count: 864
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver8BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES(x86)%\ver2BlockAndSurf\g0BlockAndSurfN52.exe
File name: g0BlockAndSurfN52.exeSize: 466.94 KB (466944 bytes)
MD5: 3b86164aa0273d6fda185bfcaece71b2
Detection count: 808
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\ver2BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
%PROGRAMFILES%\ver4BlockAndSurf\S3IK186.exe
File name: S3IK186.exeSize: 343.55 KB (343552 bytes)
MD5: 815ad94806cd99941001e33ad46862d0
Detection count: 766
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\ver4BlockAndSurf
Group: Malware file
Last Updated: December 13, 2016
More files
Registry Modifications
The following newly produced Registry Values are:
CLSID{D71A683E-C9E3-F804-9685-2A9D36B20547}File name without pathhttp_block-n-surf.com_0.localstoragehttp_block-n-surf.com_0.localstorage-journalRegexp file mask%windir%\System32\Tasks\BlockAndSurf Update%windir%\System32\Tasks\BlockAndSurf_wd%WinDir%\Tasks\BlockAndSurf Update.job%WinDir%\Tasks\BlockAndSurf_wd.jobHKEY..\..\..\..{RegistryKeys}Software\AppDataLow\Software\BlockAndSurfSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.jobSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.job.fpSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.jobSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.job.fpSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf UpdateSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf_wdSoftware\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\BlockAndSurfSoftware\Microsoft\Windows\CurrentVersion\Run\BlockNSurfSoftware\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\BlockAndSurfSYSTEM\ControlSet001\services\BlockAndSurfSYSTEM\ControlSet001\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64SYSTEM\ControlSet002\services\BlockAndSurfSYSTEM\ControlSet002\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64SYSTEM\CurrentControlSet\services\BlockAndSurfSYSTEM\CurrentControlSet\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64
CLSID{D71A683E-C9E3-F804-9685-2A9D36B20547}File name without pathhttp_block-n-surf.com_0.localstoragehttp_block-n-surf.com_0.localstorage-journalRegexp file mask%windir%\System32\Tasks\BlockAndSurf Update%windir%\System32\Tasks\BlockAndSurf_wd%WinDir%\Tasks\BlockAndSurf Update.job%WinDir%\Tasks\BlockAndSurf_wd.jobHKEY..\..\..\..{RegistryKeys}Software\AppDataLow\Software\BlockAndSurfSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.jobSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf Update.job.fpSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.jobSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\BlockAndSurf_wd.job.fpSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf UpdateSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\BlockAndSurf_wdSoftware\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\BlockAndSurfSoftware\Microsoft\Windows\CurrentVersion\Run\BlockNSurfSoftware\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\BlockAndSurfSYSTEM\ControlSet001\services\BlockAndSurfSYSTEM\ControlSet001\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64SYSTEM\ControlSet002\services\BlockAndSurfSYSTEM\ControlSet002\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64SYSTEM\CurrentControlSet\services\BlockAndSurfSYSTEM\CurrentControlSet\Services\{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gw64
Additional Information
The following directories were created:
%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
The following URL's were detected:
BlockAndSurf
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