What is jlnjln staging?
The Malwarebytes research team has determined that jlnjln staging is a browser hijacker. These so-called "hijackers" alter your startpage or searchscopes so that the effected browser visits their site or one of their choice. This one also displays advertisements.
How do I know if my computer is affected by jlnjln staging?
You may see this warning:

and you may see this browser helper object in Internet Explorer:

and this entry in your list of installed programs:

and this type of prompt everytime you open a new browser tab:

How did jlnjln staging get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove jlnjln staging?
Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted application.
- 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.
- When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
- Reboot your computer if prompted.
- No, Malwarebytes' Anti-Malware removes jlnjln staging completely.
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 jlnjln staging browser hijacker. It would have warned you before the potentially unwanted program could install itself, giving you a chance to stop it before it became too late.
Signs in a HijackThis log:
O2 - BHO: CrossriderApp0054597 - {11111111-1111-1111-1111-110511451197} - C:\Program Files\jlnjln staging\jlnjln staging-bho.dllAlterations made by the installer:
File system details --------------------------------------------- Adds the folder C:\Program Files\jlnjln staging Adds the file background.html"="3/28/2014 2:24 PM, 729 bytes, A Adds the file Installer.log"="4/30/2014 6:50 AM, 111623 bytes, A Adds the file jlnjln staging.ico"="3/28/2014 2:24 PM, 15086 bytes, A Adds the file jlnjln staging-bg.exe"="4/30/2014 6:50 AM, 798208 bytes, A Adds the file jlnjln staging-bho.dll"="4/30/2014 6:50 AM, 677376 bytes, A Adds the file jlnjln staging-buttonutil.dll"="4/30/2014 6:50 AM, 425984 bytes, A Adds the file jlnjln staging-buttonutil.exe"="4/30/2014 6:50 AM, 344064 bytes, A Adds the file jlnjln staging-codedownloader.exe"="4/30/2014 6:50 AM, 567296 bytes, A Adds the file jlnjln staging-enabler.exe"="4/30/2014 6:50 AM, 406528 bytes, A Adds the file jlnjln staging-helper.exe"="4/30/2014 6:50 AM, 340992 bytes, A Adds the file Uninstall.exe"="4/30/2014 6:50 AM, 679195 bytes, A Adds the folder C:\Users\{username}\AppData\LocalLow\jlnjln staging Registry details ------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}] "(Default)"="REG_SZ", "jlnjln staging" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\Implemented Categories] "(Default)"="REG_SZ", "" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}] "(Default)"="REG_SZ", "" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files\jlnjln staging\jlnjln staging-bho.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\ProgID] "(Default)"="REG_SZ", "CrossriderApp0054597.BHO.1" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\TypeLib] "(Default)"="REG_SZ", "{44444444-4444-4444-4444-440544454497}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{11111111-1111-1111-1111-110511451197}\VersionIndependentProgID] "(Default)"="REG_SZ", "CrossriderApp0054597" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files\jlnjln staging\jlnjln staging-bho.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}\ProgID] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox.1" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}\TypeLib] "(Default)"="REG_SZ", "{44444444-4444-4444-4444-440544454497}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{22222222-2222-2222-2222-220522452297}\VersionIndependentProgID] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.BHO] "(Default)"="REG_SZ", "CrossriderApp0054597" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.BHO\CLSID] "(Default)"="REG_SZ", "{11111111-1111-1111-1111-110511451197}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.BHO\CurVer] "(Default)"="REG_SZ", "CrossriderApp0054597" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.BHO.1] "(Default)"="REG_SZ", "CrossriderApp0054597" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.BHO.1\CLSID] "(Default)"="REG_SZ", "{11111111-1111-1111-1111-110511451197}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.Sandbox] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.Sandbox\CLSID] "(Default)"="REG_SZ", "{22222222-2222-2222-2222-220522452297}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.Sandbox\CurVer] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.Sandbox.1] "(Default)"="REG_SZ", "CrossriderApp0054597.Sandbox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CrossriderApp0054597.Sandbox.1\CLSID] "(Default)"="REG_SZ", "{22222222-2222-2222-2222-220522452297}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{55555555-5555-5555-5555-550555455597}] "(Default)"="REG_SZ", "ICrossriderBHO" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{55555555-5555-5555-5555-550555455597}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{55555555-5555-5555-5555-550555455597}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{55555555-5555-5555-5555-550555455597}\TypeLib] "(Default)"="REG_SZ", "{44444444-4444-4444-4444-440544454497}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{66666666-6666-6666-6666-660566456697}] "(Default)"="REG_SZ", "ISandBox" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{66666666-6666-6666-6666-660566456697}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{66666666-6666-6666-6666-660566456697}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{66666666-6666-6666-6666-660566456697}\TypeLib] "(Default)"="REG_SZ", "{44444444-4444-4444-4444-440544454497}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{44444444-4444-4444-4444-440544454497}\1.0] "(Default)"="REG_SZ", "CrossriderApp0054597 Type Library" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{44444444-4444-4444-4444-440544454497}\1.0\0\win32] "(Default)"="REG_SZ", "C:\Program Files\jlnjln staging\jlnjln staging-bho.dll" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{44444444-4444-4444-4444-440544454497}\1.0\FLAGS] "(Default)"="REG_SZ", "0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{44444444-4444-4444-4444-440544454497}\1.0\HELPDIR] "(Default)"="REG_SZ", "C:\Program Files\jlnjln staging" [HKEY_LOCAL_MACHINE\SOFTWARE\InstalledBrowserExtensions\28761] "54597"="REG_SZ", "jlnjln staging" [HKEY_LOCAL_MACHINE\SOFTWARE\InstalledBrowserExtensions\28761\Status] "Installed"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\jlnjln staging\IE] "TotalProfiles"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\jlnjln staging\IE\Profiles] "S-1-5-21-4016700205-1717049133-1125222536-1001"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\jlnjln staging\Installer] "BundledIe"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{11111111-1111-1111-1111-110511451197}] "(Default)"="REG_SZ", "CrossriderApp0054597" "NoExplorer"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID] "{11111111-1111-1111-1111-110511451197}"="REG_SZ", "1" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\jlnjln staging] "CrAppId"="REG_SZ", "54597" "CrPublisherId"="REG_SZ", "28761" "DisplayIcon"="REG_SZ", "C:\Program Files\jlnjln staging\Uninstall.exe" "DisplayName"="REG_SZ", "jlnjln staging" "DisplayVersion"="REG_SZ", "1.34.3.28" "Publisher"="REG_SZ", "alon" "UninstallString"="REG_SZ", "C:\Program Files\jlnjln staging\Uninstall.exe /fromcontrolpanel=1" [HKEY_CURRENT_USER\Software\AppDataLow\Software\Crossrider] "Bic"="REG_SZ", "68665F32ECB94190A300C6568C5708EBIE" "Verifier"="REG_SZ", "e450e612168308c179166dcf0189abda" [HKEY_CURRENT_USER\Software\AppDataLow\Software\Crossrider\onBeforeNavigate] "54597"="REG_SZ", "" [HKEY_CURRENT_USER\Software\AppDataLow\Software\Crossrider\onRequest] "54597"="REG_SZ", "" [HKEY_CURRENT_USER\Software\AppDataLow\Software\jlnjln staging] "ActiveAppId"="REG_SZ", "54597" "BhoRunningVersion"="REG_SZ", "153" "IsBhoEnabled"="REG_DWORD", 1 "LastSetSearch"="REG_DWORD", 1398833684 [HKEY_CURRENT_USER\Software\AppDataLow\Software\jlnjln staging\background] "__onDocumentStart_script__"="REG_SZ", "" "__onDocumentStart_script_store__"="REG_SZ", "" "IsEnabled"="REG_DWORD", 1 [HKEY_CURRENT_USER\Software\AppDataLow\Software\jlnjln staging\Code] "AppJavaScript"="REG_SZ", " { javascript removed, full log available on request } " [HKEY_CURRENT_USER\Software\AppDataLow\Software\jlnjln staging\Update] "LastCheck"="REG_DWORD", 1398833401 [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\28761] "54597"="REG_SZ", "jlnjln staging" [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\28761\Status] "Installed"="REG_DWORD", 1 [HKEY_CURRENT_USER\Software\InstalledBrowserExtensions\alon] "54597"="REG_SZ", "jlnjln staging"Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 4/30/2014 Scan Time: 7:04:26 AM Logfile: mbamJLNJLN.txt Administrator: Yes Version: 2.00.1.1004 Malware Database: v2014.04.30.02 Rootkit Database: v2014.03.27.01 License: Free Malware Protection: Disabled Malicious Website Protection: Disabled Chameleon: Disabled OS: Windows 7 Service Pack 1 CPU: x86 File System: NTFS User: Malwarebytes Scan Type: Threat Scan Result: Completed Objects Scanned: 214319 Time Elapsed: 5 min, 7 sec Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Shuriken: Enabled PUP: Enabled PUM: Enabled Processes: 0 (No malicious items detected) Modules: 0 (No malicious items detected) Registry Keys: 20 PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CLSID\{11111111-1111-1111-1111-110511451197}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\TYPELIB\{44444444-4444-4444-4444-440544454497}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{55555555-5555-5555-5555-550555455597}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{66666666-6666-6666-6666-660566456697}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CrossriderApp0054597.BHO.1, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{11111111-1111-1111-1111-110511451197}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CrossriderApp0054597.BHO, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{11111111-1111-1111-1111-110511451197}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{11111111-1111-1111-1111-110511451197}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CLSID\{22222222-2222-2222-2222-220522452297}, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CrossriderApp0054597.Sandbox.1, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CrossriderApp0054597.Sandbox, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\CLASSES\CLSID\{11111111-1111-1111-1111-110511451197}\INPROCSERVER32, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\jlnjln staging, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, HKLM\SOFTWARE\jlnjln staging, Quarantined, [2159ac84592276c07a98e192798901ff], PUP.Optional.CrossRider.A, HKLM\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\28761, Quarantined, [8feb9997e89349ed28c2c3b8bb474fb1], PUP.Optional.CrossRider.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\APPDATALOW\SOFTWARE\Crossrider, Quarantined, [82f8959bf08beb4b4d3dedc63cc77789], PUP.Optional.JlnjlnStaging.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\APPDATALOW\SOFTWARE\jlnjln staging, Quarantined, [48327ab68deec96d9b75680bb84a5ea2], PUP.Optional.CrossRider.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\28761, Quarantined, [de9c2e026813e155a546394208faa15f], PUP.Optional.CrossRider.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\INSTALLEDBROWSEREXTENSIONS\alon, Quarantined, [1f5beb45d8a3a195b86db2c8e41efe02], Registry Values: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Folders: 1 PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], Files: 12 PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-bho.dll, Quarantined, [ea90ce626b10ca6cc311d89ba25f48b8], PUP.Optional.JlnjlnStaging.A, C:\Users\{username}\Desktop\jlnjln staging (crossrider).exe, Quarantined, [e496dd536318d75f864eb1c26c95ba46], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\background.html, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\Installer.log, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-bg.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-buttonutil.dll, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-buttonutil.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-codedownloader.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-enabler.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging-helper.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\jlnjln staging.ico, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], PUP.Optional.JlnjlnStaging.A, C:\Program Files\jlnjln staging\Uninstall.exe, Quarantined, [d5a576ba0c6fec4a68a6bcb7cc36ae52], 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