What is Boost?
The Malwarebytes research team has determined that Boost 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 Boost?
This is how the first screen of the installer looks:
And you may see these toolbars:
or this entry in your list of installed programs:
How did Boost get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove Boost?
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.
- No, Malwarebytes' Anti-Malware removes Boost 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 Boost 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: Boost - {2299856A-6506-42E3-A34F-CD35A47C1B19} - C:\Program Files\Boost\Boost.dll O4 - HKCU\..\Run: [Boost] C:\Program Files\Boost\Boost.exeAlterations made by the installer:
File system details --------------------------------------------- Adds the folder C:\Program Files\Boost Adds the file 64Boost.dll"="11/1/2014 2:04 AM, 563448 bytes, A Adds the file Boost.dll"="11/1/2014 2:04 AM, 499960 bytes, A Adds the file Boost.exe"="10/31/2014 11:02 PM, 286936 bytes, A Adds the file Boost.ico"="5/30/2013 11:46 PM, 103310 bytes, A Adds the file Boosti.dll"="10/31/2014 11:02 PM, 329432 bytes, A Adds the file uninstall.exe"="12/4/2014 9:21 AM, 186178 bytes, A In the existing folder C:\Users\{username}\AppData\LocalLow Adds the file jigsaw.jbs"="12/4/2014 9:23 AM, 20480000 bytes, A In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions Adds the file [email protected]"="11/1/2014 2:04 AM, 41473 bytes, A Registry details ------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Boost] "boostuid"="REG_SZ", "cjwXl1eJUmSSpjVUur3SFg" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{38A066B0-DD5F-4226-AC4F-6A27C1BFB892}] "(Default)"="REG_SZ", "Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\Boost.DLL] "AppID"="REG_SZ", "{38A066B0-DD5F-4226-AC4F-6A27C1BFB892}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Boost.BoostBho] "(Default)"="REG_SZ", "Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Boost.BoostBho\CLSID] "(Default)"="REG_SZ", "{2299856A-6506-42E3-A34F-CD35A47C1B19}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Boost.BoostBho\CurVer] "(Default)"="REG_SZ", "Boost.BoostBho.1" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Boost.BoostBho.1] "(Default)"="REG_SZ", "Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Boost.BoostBho.1\CLSID] "(Default)"="REG_SZ", "{2299856A-6506-42E3-A34F-CD35A47C1B19}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}] "(Default)"="REG_SZ", "Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files\Boost\Boost.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\ProgID] "(Default)"="REG_SZ", "Boost.BoostBho.1" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\TypeLib] "(Default)"="REG_SZ", "{E860F65C-6645-411C-A662-E12E25FD3A93}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\VersionIndependentProgID] "(Default)"="REG_SZ", "Boost.BoostBho" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{41634761-D0BA-4C1A-9AC2-04AEE9511370}] "(Default)"="REG_SZ", "IJigsawExternal" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{41634761-D0BA-4C1A-9AC2-04AEE9511370}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{41634761-D0BA-4C1A-9AC2-04AEE9511370}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{41634761-D0BA-4C1A-9AC2-04AEE9511370}\TypeLib] "(Default)"="REG_SZ", "{E860F65C-6645-411C-A662-E12E25FD3A93}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{88C20E16-1EB7-40CE-820C-6CFCB41B1D2F}] "(Default)"="REG_SZ", "IHttpRequestEvent" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{88C20E16-1EB7-40CE-820C-6CFCB41B1D2F}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{88C20E16-1EB7-40CE-820C-6CFCB41B1D2F}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{88C20E16-1EB7-40CE-820C-6CFCB41B1D2F}\TypeLib] "(Default)"="REG_SZ", "{E860F65C-6645-411C-A662-E12E25FD3A93}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E860F65C-6645-411C-A662-E12E25FD3A93}\1.0] "(Default)"="REG_SZ", "Jigsaw 1.0 Type Library" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E860F65C-6645-411C-A662-E12E25FD3A93}\1.0\0\win32] "(Default)"="REG_SZ", "C:\Program Files\Boost\Boost.dll" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E860F65C-6645-411C-A662-E12E25FD3A93}\1.0\FLAGS] "(Default)"="REG_SZ", "0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E860F65C-6645-411C-A662-E12E25FD3A93}\1.0\HELPDIR] "(Default)"="REG_SZ", "C:\Program Files\Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2299856A-6506-42E3-A34F-CD35A47C1B19}] "(Default)"="REG_SZ", "Boost" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Boost] "DisplayIcon"="REG_SZ", "C:\Program Files\Boost\Boost.ico" "DisplayName"="REG_SZ", "Boost" "DisplayVersion"="REG_SZ", "3.0.0.22" "DistID"="REG_SZ", "880001" "InstallParameters"="REG_SZ", "" "LastVersionIE"="REG_SZ", "9.11.9600.17420" "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "Boost Shopping" "SubID"="REG_SZ", "0101" "UninstallString"="REG_SZ", "C:\Program Files\Boost\uninstall.exe" "URLInfoAbout"="REG_SZ", "http://www.shopwithboost.com" [HKEY_CURRENT_USER\Software\AppDataLow\Software\Boost] "js_cd"="REG_SZ", "{"data":{"channel":"0101","update_interval":"120","browser":"ie","install_time":"1414803804","product":"boost","distributor":"880001","version":"3.0.0.22","cid":"fd8f4528b74343c1b2c4ee9f00ec2b7d","ucd":"12/4/2014 12:23:41 am","user_country":"nl"}}" "lastScriptUpdateHigh"="REG_DWORD", 0 "lastScriptUpdateLow"="REG_DWORD", 1417681418 "lastStorageStatusReportHigh"="REG_DWORD", 0 "lastStorageStatusReportLow"="REG_DWORD", 1417681418 "refreshInterval"="REG_DWORD", 7200 [HKEY_CURRENT_USER\Software\Boost] "boostuid"="REG_SZ", "cjwXl1eJUmSSpjVUur3SFg" "BrowserAllow"="REG_SZ", "{ie}{chrome}{firefox}{opera}" [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Approved Extensions] "{2299856A-6506-42E3-A34F-CD35A47C1B19}"="REG_BINARY, ............ [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{2299856A-6506-42E3-A34F-CD35A47C1B19}] "Flags"="REG_DWORD", 1024 "VerCache"="REG_BINARY, ...................... [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] "Boost"="REG_SZ", "C:\Program Files\Boost\Boost.exe"Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 12/4/2014 Scan Time: 9:28:25 AM Logfile: mbamBoost.txt Administrator: Yes Version: 2.00.3.1025 Malware Database: v2014.12.04.03 Rootkit Database: v2014.12.03.01 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: 279412 Time Elapsed: 3 min, 30 sec Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Disabled Heuristics: Enabled PUP: Enabled PUM: Enabled Processes: 1 PUP.Optional.Boost.A, C:\Program Files\Boost\Boost.exe, 2524, Delete-on-Reboot, [c50e5707b7c58fa7f0730cafee16867a] Modules: 0 (No malicious items detected) Registry Keys: 14 PUP.Optional.PricePeep.A, HKLM\SOFTWARE\CLASSES\APPID\{38A066B0-DD5F-4226-AC4F-6A27C1BFB892}, Quarantined, [dbf874ea7903ba7c5a0143bdd52e2cd4], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\TYPELIB\{E860F65C-6645-411C-A662-E12E25FD3A93}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{41634761-D0BA-4C1A-9AC2-04AEE9511370}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{88C20E16-1EB7-40CE-820C-6CFCB41B1D2F}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\Boost.BoostBho.1, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\Boost.BoostBho, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{2299856A-6506-42E3-A34F-CD35A47C1B19}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{2299856A-6506-42E3-A34F-CD35A47C1B19}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{2299856A-6506-42E3-A34F-CD35A47C1B19}, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\CLASSES\CLSID\{2299856A-6506-42E3-A34F-CD35A47C1B19}\INPROCSERVER32, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\Boost, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, HKCU\SOFTWARE\APPDATALOW\SOFTWARE\BOOST, Quarantined, [3d96a2bc4834ac8af898a32062a26898], PUP.Optional.Boost.A, HKCU\SOFTWARE\BOOST, Quarantined, [b3205fffcfade05628cf21248a7914ec], Registry Values: 3 PUP.Optional.Boost.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|Boost, C:\Program Files\Boost\Boost.exe, Quarantined, [c50e5707b7c58fa7f0730cafee16867a] PUP.Optional.Boost.A, HKCU\SOFTWARE\APPDATALOW\SOFTWARE\BOOST|refreshInterval, 7200, Quarantined, [3d96a2bc4834ac8af898a32062a26898] PUP.Optional.Boost.A, HKCU\SOFTWARE\BOOST|BrowserAllow, {ie}{chrome}{firefox}{opera}, Quarantined, [b3205fffcfade05628cf21248a7914ec] Registry Data: 0 (No malicious items detected) Folders: 1 PUP.Optional.Boost.A, C:\Program Files\Boost, Delete-on-Reboot, [c50e5707b7c58fa7f0730cafee16867a], Files: 8 PUP.Optional.Boost.A, C:\Users\{username}\Desktop\boost_880001_0101.exe, Quarantined, [f3e0d08e7a02c3730fcd4b01847c34cc], PUP.Optional.Boost.A, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\[email protected], Quarantined, [468d93cb017b85b17538e27bed1620e0], PUP.Optional.Boost.A, C:\Program Files\Boost\Boost.ico, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, C:\Program Files\Boost\64Boost.dll, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, C:\Program Files\Boost\Boost.dll, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, C:\Program Files\Boost\Boost.exe, Delete-on-Reboot, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, C:\Program Files\Boost\Boosti.dll, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], PUP.Optional.Boost.A, C:\Program Files\Boost\uninstall.exe, Quarantined, [c50e5707b7c58fa7f0730cafee16867a], 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