Content is republished with permission from Malwarebytes.
What is Quantum Look?
The Malwarebytes research team has determined that Quantum Look 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 effected by Quantum Look?
This is how the startscreen of the installer looks:

And you may see these toolbars/add-ons:


or this entry in your list of installed programs:

How did Quantum Look get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove Quantum Look?
Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted program.
Is there anything else I need to do to get rid of Quantum Look?
How would the full version of Malwarebytes Anti-Malware help protect me?
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 Quantum Look hijacker. It would have warned you before the browser helper object 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: Quantum Look - {4f69dccf-5eae-4afc-8ada-389661f0e6cc} - C:\Program Files\Quantum Look\QuantumLookbho.dll
Alterations made by the installer:
File system details --------------------------------------------- Adds the folder C:\Program Files\Quantum Look Adds the file 7za.exe"="6/30/2014 10:55 PM, 536064 bytes, A Adds the file QuantumLook.ico"="7/1/2014 11:15 PM, 1150 bytes, A Adds the file QuantumLookBHO.dll"="7/1/2014 11:15 PM, 249624 bytes, A Adds the file QuantumLookUninstall.exe"="7/9/2014 2:02 PM, 239102 bytes, A In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions Adds the file [email protected]"="7/1/2014 11:15 PM, 9005 bytes, A Registry details ------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1AA60054-57D9-4F99-9A55-D0FBFBE7ECD3}] "(Default)"="REG_SZ", "0FB5E5CF-BA0A-4D94-9DC9-6DA50F4810A1" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}] "(Default)"="REG_SZ", "907C22A9-34D2-47CB-9031-D1A279203FB1" "id"="REG_SZ", "179" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}] "(Default)"="REG_SZ", "Quantum Look" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files\Quantum Look\QuantumLookbho.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}\TypeLib] "(Default)"="REG_SZ", "{f6d9c7db-503c-4c3c-87f8-33accbf741a2}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}\Version] "(Default)"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B1E5C80F-D750-4A84-9206-A446D7B7A2F5}] "(Default)"="REG_SZ", "IQuantumLookBHO" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B1E5C80F-D750-4A84-9206-A446D7B7A2F5}\ProxyStubClsid] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B1E5C80F-D750-4A84-9206-A446D7B7A2F5}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{B1E5C80F-D750-4A84-9206-A446D7B7A2F5}\TypeLib] "(Default)"="REG_SZ", "{F6D9C7DB-503C-4C3C-87F8-33ACCBF741A2}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F6D9C7DB-503C-4C3C-87F8-33ACCBF741A2}\1.0] "(Default)"="REG_SZ", "QuantumLookIEClientLib" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F6D9C7DB-503C-4C3C-87F8-33ACCBF741A2}\1.0\0\win32] "(Default)"="REG_SZ", "C:\Program Files\Quantum Look\QuantumLookbho.dll" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F6D9C7DB-503C-4C3C-87F8-33ACCBF741A2}\1.0\FLAGS] "(Default)"="REG_SZ", "0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F6D9C7DB-503C-4C3C-87F8-33ACCBF741A2}\1.0\HELPDIR] "(Default)"="REG_SZ", "C:\Program Files\Quantum Look" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}] "(Default)"="REG_SZ", "Quantum Look" "NoExplorer"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Quantum Look] "DisplayIcon"="REG_SZ", "C:\Program Files\Quantum Look\QuantumLook.ico" "DisplayName"="REG_SZ", "Quantum Look" "DisplayVersion"="REG_SZ", "2014.07.01.211529" "EstimatedSize"="REG_DWORD", 768 "HelpLink"="REG_SZ", "mailto:[email protected]" "InstallLocation"="REG_SZ", "C:\Program Files\Quantum Look" "InstallTime"="REG_SZ", "2014-07-09 14:02:22" "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "Quantum Look" "QuietUninstallString"="REG_SZ", "C:\Program Files\Quantum Look\QuantumLookuninstall.exe /S" "UninstallString"="REG_SZ", "C:\Program Files\Quantum Look\QuantumLookuninstall.exe" "URLInfoAbout"="REG_SZ", "http://quantumlook.co/support" "URLUpdateInfo"="REG_SZ", "http://quantumlook.co" [HKEY_LOCAL_MACHINE\SOFTWARE\Quantum Look] "iid"="REG_SZ", "org_QuantumLook" [HKEY_LOCAL_MACHINE\SOFTWARE\Quantum Look\Chrome] "sgc"="REG_SZ", "true" [HKEY_LOCAL_MACHINE\SOFTWARE\Quantum Look\Firefox] "sff"="REG_SZ", "false" [HKEY_LOCAL_MACHINE\SOFTWARE\Quantum Look\Internet Explorer] "sie"="REG_SZ", "false" [HKEY_CURRENT_USER\Software\Quantum Look] "id"="REG_SZ", "2014-07-09 14:02:22" "iid"="REG_SZ", "org_QuantumLook" "is"="REG_SZ", "org_QuantumLook" [HKEY_CURRENT_USER\Software\Quantum Look\Chrome] "ug"="REG_SZ", "1B361ECD-9DF8-4F08-A829-4E334D92A5A8" [HKEY_CURRENT_USER\Software\Quantum Look\Firefox] "ug"="REG_SZ", "8FE69A1A-595A-4D92-B8C5-B5AB643F18AE" [HKEY_CURRENT_USER\Software\Quantum Look\Internet Explorer] "ug"="REG_SZ", "104724E6-CB2F-4ABF-9F55-44DE2CDC0C67"
Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 7/9/2014 Scan Time: 2:07:03 PM Logfile: mbamQuantumLook.txt Administrator: Yes Version: 2.00.2.1012 Malware Database: v2014.07.09.03 Rootkit Database: v2014.07.07.01 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: 237808 Time Elapsed: 3 min, 23 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: 11 PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\CLASSES\CLSID\{4f69dccf-5eae-4afc-8ada-389661f0e6cc}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\CLASSES\TYPELIB\{f6d9c7db-503c-4c3c-87f8-33accbf741a2}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{B1E5C80F-D750-4A84-9206-A446D7B7A2F5}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{4F69DCCF-5EAE-4AFC-8ADA-389661F0E6CC}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{4F69DCCF-5EAE-4AFC-8ADA-389661F0E6CC}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{4F69DCCF-5EAE-4AFC-8ADA-389661F0E6CC}, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\CLASSES\CLSID\{4F69DCCF-5EAE-4AFC-8ADA-389661F0E6CC}\INPROCSERVER32, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.BrowseFox.A, HKLM\SOFTWARE\CLASSES\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}, Quarantined, [6a0d8f0e96e57cbac8a1c6c226dc7b85], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\Quantum Look, Quarantined, [e2959706bac1f44226c22c89f30f8779], PUP.Optional.QuantumLook.A, HKLM\SOFTWARE\Quantum Look, Quarantined, [fe7967360e6d40f68663a015b250a45c], PUP.Optional.QuantumLook.A, HKU\S-1-5-21-4016700205-1717049133-1125222536-1001-{ED1FC765-E35E-4C3D-BF15-2C2B11260CE4}-0\SOFTWARE\Quantum Look, Quarantined, [79fe4d500d6e85b1de0c3481bf438a76], Registry Values: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Folders: 1 PUP.Optional.QuantumLook.A, C:\Program Files\Quantum Look, Quarantined, [e2959706bac1f44226c22c89f30f8779], Files: 7 PUP.Optional.QuantumLook.A, C:\Program Files\Quantum Look\QuantumLookBHO.dll, Quarantined, [e98eecb1cab155e1b1f645523ec3b64a], PUP.Optional.QuantumLook.A, C:\Users\{username}\Desktop\QuantumLook(Sanbreel).exe, Quarantined, [1f58eab33f3c91a502e04902897727d9], PUP.Optional.InstallCore, C:\Users\{username}\Downloads\googleupdatersetup.exe, Quarantined, [2057a0fdb7c4cb6b3d25593240c404fc], PUP.Optional.QuantumLook.A, C:\Program Files\Quantum Look\QuantumLook.ico, Quarantined, [e2959706bac1f44226c22c89f30f8779], PUP.Optional.QuantumLook.A, C:\Program Files\Quantum Look\7za.exe, Quarantined, [e2959706bac1f44226c22c89f30f8779], PUP.Optional.QuantumLook.A, C:\Program Files\Quantum Look\QuantumLookUninstall.exe, Quarantined, [e2959706bac1f44226c22c89f30f8779], PUP.Optional.QuantumLook.A, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\6qeoodjs.default-1401006518835\extensions\[email protected], Quarantined, [1d5af2ab671459dd1ed112a311f1e719], 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):
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