What is Nextcoup?
The Malwarebytes research team has determined that Nextcoup is a browser hijacker. These so-called "hijackers" manipulate your browser(s), for example to change your startpage or searchscopes, so that the affected browser visits their site or one of their choice. This one also displays advertisements.
How do I know if my computer is affected by Nextcoup?
You may see these browser extensions:



and this entry in your list of installed programs:

How did Nextcoup get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove Nextcoup?
Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted program.
- Please download Malwarebytes Anti-Malware to your desktop.
- Double-click mbam-setup-version.exe and follow the prompts to install the program.
- At the end, be sure a check-mark is placed next to the following:
- Enable free trial of Malwarebytes Anti-Malware Premium
- Launch Malwarebytes Anti-Malware
- Then click Finish.
- If an update is found, you will be prompted to download and install the latest version.
- Once the program has loaded, select Scan now. Or select the Threat Scan from the Scan menu.
- When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
- Reboot your computer if prompted.
- If you are using Chrome, you may have to remove the Extension manually under Tools > Settings > Extensions. Remove the checkmark and click on the bin behind the NextCoup entry.
- If you are using Firefox, you may have to remove the Extension manually under Add-ons > Extensions. Click on the Remove button behind the NextCoup entry.
We hope our application and this guide have helped you eradicate this hijacker.
As you can see below the full version of Malwarebytes Anti-Malware would have protected you against the Nextcoup hijacker. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.
Technical details for experts
Signs in a HijackThis log:
O2 - BHO: NextCoup - {83f41671-cfff-416f-915e-731cf636b2f3} - C:\Program Files\NextCoup\e3J7kg7XOaRhEF.dllNote: the filename is random
Alterations made by the installer:
File system details --------------------------------------------- Adds the folder C:\Program Files\NextCoup Adds the file e3J7kg7XOaRhEF.dat"="11/28/2014 2:45 PM, 4917 bytes, A Adds the file e3J7kg7XOaRhEF.dll"="11/28/2014 2:45 PM, 761856 bytes, A Adds the file e3J7kg7XOaRhEF.tlb"="11/28/2013 2:45 PM, 3832 bytes, A Adds the file e3J7kg7XOaRhEF.x64.dll"="11/28/2014 2:45 PM, 895488 bytes, A Adds the folder C:\ProgramData\b76f9c79baa0b2d1 Adds the file {3D0F43D9-C1D7-733C-01F8-4A3001BF8CC3}.20141128144514"="11/28/2014 2:45 PM, 80150 bytes, A Adds the folder C:\ProgramData\NextCoup Adds the file tZEgtLXooTwekV6.dat"="11/28/2013 2:45 PM, 4917 bytes, A Adds the file tZEgtLXooTwekV6.exe"="11/28/2013 2:45 PM, 4510720 bytes, A Adds the folder C:\Users\Administrator\AppData\Local\Chromatic Browser\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Administrator\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Administrator\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Administrator\AppData\Local\Torch\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Guest\AppData\Local\Chromatic Browser\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Guest\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Guest\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\Guest\AppData\Local\Torch\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Chromatic Browser\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\HomeGroupUser$\AppData\Local\Torch\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the folder C:\Users\{username}\AppData\Local\Chromatic Browser\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the file background.html"="11/28/2013 2:45 PM, 146 bytes, A Adds the file content.js"="11/28/2013 2:45 PM, 7149 bytes, A Adds the file lsdb.js"="11/28/2014 2:45 PM, 7591 bytes, A Adds the file manifest.json"="11/28/2014 2:45 PM, 500 bytes, A Adds the file WChNFqhSK.js"="11/28/2013 2:45 PM, 27140 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the file background.html"="11/28/2014 2:45 PM, 146 bytes, A Adds the file content.js"="11/28/2014 2:45 PM, 7149 bytes, A Adds the file lsdb.js"="11/28/2013 2:45 PM, 7591 bytes, A Adds the file manifest.json"="11/28/2013 2:45 PM, 500 bytes, A Adds the file WChNFqhSK.js"="11/28/2014 2:45 PM, 27140 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the file background.html"="11/28/2014 2:45 PM, 146 bytes, A Adds the file content.js"="11/28/2013 2:45 PM, 7149 bytes, A Adds the file lsdb.js"="11/28/2013 2:45 PM, 7591 bytes, A Adds the file manifest.json"="11/28/2013 2:45 PM, 500 bytes, A Adds the file WChNFqhSK.js"="11/28/2014 2:45 PM, 27140 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the file background.html"="11/28/2014 2:45 PM, 146 bytes, A Adds the file content.js"="11/28/2013 2:45 PM, 7149 bytes, A Adds the file lsdb.js"="11/28/2014 2:45 PM, 7591 bytes, A Adds the file manifest.json"="11/28/2014 2:45 PM, 500 bytes, A Adds the file WChNFqhSK.js"="11/28/2014 2:45 PM, 27140 bytes, A Adds the folder C:\Users\{username}\AppData\Local\Torch\User Data\Default\Extensions\akndhadhllbcaffkhmbgbmfmkbhobjlf\1.0 Adds the file background.html"="11/28/2013 2:45 PM, 146 bytes, A Adds the file content.js"="11/28/2013 2:45 PM, 7149 bytes, A Adds the file lsdb.js"="11/28/2013 2:45 PM, 7591 bytes, A Adds the file manifest.json"="11/28/2013 2:45 PM, 500 bytes, A Adds the file WChNFqhSK.js"="11/28/2013 2:45 PM, 27140 bytes, A Adds the folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\staged\[email protected] Adds the file bootstrap.js"="11/28/2014 2:45 PM, 2515 bytes, A Adds the file chrome.manifest"="11/28/2014 2:45 PM, 35 bytes, A Adds the file install.rdf"="11/28/2013 2:45 PM, 597 bytes, A Adds the folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\staged\[email protected]\content Adds the file bg.js"="11/28/2014 2:45 PM, 30784 bytes, A Registry details ------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.] "(Default)"="REG_SZ", "NextCoup" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.\CLSID] "(Default)"="REG_SZ", "{83f41671-cfff-416f-915e-731cf636b2f3}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.\CurVer] "(Default)"="REG_SZ", ".9" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\..9] "(Default)"="REG_SZ", "NextCoup" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\..9\CLSID] "(Default)"="REG_SZ", "{83f41671-cfff-416f-915e-731cf636b2f3}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}] "(Default)"="REG_SZ", "NextCoup" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files\NextCoup\e3J7kg7XOaRhEF.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}\ProgID] "(Default)"="REG_SZ", ".9" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}\VersionIndependentProgID] "(Default)"="REG_SZ", "" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}] "(Default)"="REG_SZ", "ILocalStorage" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib] "(Default)"="REG_SZ", "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}] "(Default)"="REG_SZ", "IPlaghinMein" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib] "(Default)"="REG_SZ", "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}] "(Default)"="REG_SZ", "IRegistry" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib] "(Default)"="REG_SZ", "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0] "(Default)"="REG_SZ", "IEPluginLib" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32] "(Default)"="REG_SZ", "C:\Program Files\NextCoup\e3J7kg7XOaRhEF.tlb" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS] "(Default)"="REG_SZ", "0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR] "(Default)"="REG_SZ", "C:\Program Files\NextCoup" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{83f41671-cfff-416f-915e-731cf636b2f3}] "(Default)"="REG_SZ", "NextCoup" "NoExplorer"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID] "{83f41671-cfff-416f-915e-731cf636b2f3}"="REG_SZ", "1" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3D0F43D9-C1D7-733C-01F8-4A3001BF8CC3}] "_In"="REG_SZ", "20141128" "CategoryName"="REG_SZ", "Apps" "DisplayIcon"="REG_SZ", "C:\Windows\System32\msiexec.exe" "DisplayName"="REG_SZ", "NextCoup" "DisplayVersion"="REG_SZ", "4.3.0.1958" "InstallDate"="REG_SZ", "20141110" "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "" "SilentUninstall"="REG_SZ", ""C:\ProgramData\NextCoup\tZEgtLXooTwekV6.exe" !x:1 /s /n /i:"ExecuteCommands;UninstallCommands"" "UninstallString"="REG_SZ", ""C:\ProgramData\NextCoup\tZEgtLXooTwekV6.exe" !x:1 /s /n /i:"ExecuteCommands;UninstallCommands"" "URLInfoAbout"="REG_SZ", "http://nextcoup.info " "URLUpdateInfo"="REG_SZ", "http://nextcoup.info " [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{83f41671-cfff-416f-915e-731cf636b2f3}] [HKEY_CURRENT_USER\Software\RegisteredApplicationsEx] "96fb03a03a28aa8f6748b0955f000a0a"="REG_SZ", "1"
Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 11/28/2014 Scan Time: 2:51:19 PM Logfile: mbamNextcoup.txt Administrator: Yes Version: 2.00.3.1025 Malware Database: v2014.11.28.04 Rootkit Database: v2014.11.22.01 License: Free Malware Protection: Disabled Malicious Website Protection: Disabled Self-protection: Disabled OS: Windows 7 Service Pack 1 CPU: x86 File System: NTFS User: Malwarebytes Scan Type: Threat Scan Result: Completed Objects Scanned: 314966 Time Elapsed: 3 min, 24 sec Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Enabled PUM: Enabled Processes: 0 (No malicious items detected) Modules: 0 (No malicious items detected) Registry Keys: 13 PUP.Optional.MultiPlug, HKLM\SOFTWARE\CLASSES\CLSID\{83f41671-cfff-416f-915e-731cf636b2f3}, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{83F41671-CFFF-416F-915E-731CF636B2F3}, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKLM\SOFTWARE\CLASSES\., Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKLM\SOFTWARE\CLASSES\..9, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{83F41671-CFFF-416F-915E-731CF636B2F3}, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{83F41671-CFFF-416F-915E-731CF636B2F3}, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\PREAPPROVED\{83F41671-CFFF-416F-915E-731CF636B2F3}, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, HKLM\SOFTWARE\CLASSES\CLSID\{83F41671-CFFF-416F-915E-731CF636B2F3}\INPROCSERVER32, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{3D0F43D9-C1D7-733C-01F8-4A3001BF8CC3}, Quarantined, [25ffc27f69130531f04d38fadd2645bb], PUP.Optional.MultiPlug.A, HKLM\SOFTWARE\CLASSES\TYPELIB\{E2343056-CC08-46AC-B898-BFC7ACF4E755}, Quarantined, [f2321031ee8e25110b33ac867093a45c], PUP.Optional.MultiPlug.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}, Quarantined, [f2321031ee8e25110b33ac867093a45c], PUP.Optional.MultiPlug.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{9B41579A-1996-42F9-8F84-7B7786818CEF}, Quarantined, [f2321031ee8e25110b33ac867093a45c], PUP.Optional.MultiPlug.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}, Quarantined, [f2321031ee8e25110b33ac867093a45c], Registry Values: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Folders: 2 PUP.Optional.MultiPlug.A, C:\ProgramData\NextCoup, Quarantined, [25ffc27f69130531f04d38fadd2645bb], PUP.Optional.MultiPlug.A, C:\Program Files\NextCoup, Quarantined, [f2321031ee8e25110b33ac867093a45c], Files: 6 PUP.Optional.MultiPlug, C:\Program Files\NextCoup\e3J7kg7XOaRhEF.dll, Quarantined, [a282172a6319aa8c24e5477aec15d12f], PUP.Optional.MultiPlug, C:\Program Files\NextCoup\e3J7kg7XOaRhEF.x64.dll, Quarantined, [ce56f74a58244fe78287477ab849da26], PUP.Optional.MultiPlug.A, C:\ProgramData\NextCoup\tZEgtLXooTwekV6.dat, Quarantined, [25ffc27f69130531f04d38fadd2645bb], PUP.Optional.MultiPlug.A, C:\ProgramData\NextCoup\tZEgtLXooTwekV6.exe, Quarantined, [25ffc27f69130531f04d38fadd2645bb], PUP.Optional.MultiPlug.A, C:\Program Files\NextCoup\e3J7kg7XOaRhEF.dat, Quarantined, [f2321031ee8e25110b33ac867093a45c], PUP.Optional.MultiPlug.A, C:\Program Files\NextCoup\e3J7kg7XOaRhEF.tlb, Quarantined, [f2321031ee8e25110b33ac867093a45c], Physical Sectors: 0 (No malicious items detected) (end)
As mentioned before the full version of Malwarebytes Anti-Malware could have protected your computer against this threat.
We use different ways of protecting your computer(s):
- Dynamically Blocks Malware Sites & Servers
- Malware Execution Prevention