What is Primary Color?
The Malwarebytes research team has determined that Primary Color 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 Primary Color?
You may see this entry in your list of installed software:

these browser extensions/add-ons:


and this warning:

How did Primary Color get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove Primary Color?
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 all Threats are selected, and click Remove Selected.
- Restart your computer when prompted to do so.
- No, Malwarebytes' Anti-Malware removes Primary Color 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 Primary Color 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: Primary Color 1.0.0.7 - {c8cf6562-73d6-410a-a886-001ea5b0e154} - C:\Program Files (x86)\Primary Color\PrimaryColorbho.dllPossible signs in FRST logs:
BHO-x32: Primary Color 1.0.0.7 -> {c8cf6562-73d6-410a-a886-001ea5b0e154} -> C:\Program Files (x86)\Primary Color\PrimaryColorbho.dll [2015-04-30] (Primary Color) FF Extension: Primary Color 1.0.1 - C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\hpq2vqto.default\Extensions\[email protected] [2015-04-30] () C:\Program Files (x86)\Primary Color Primary Color (HKLM\...\Primary Color) (Version: 2015.04.30.015334 - Primary Color) <==== ATTENTIONAlterations made by the installer:
File system details --------------------------------------------- Adds the folder C:\Program Files (x86)\Primary Color Adds the file PrimaryColor.ico"="30-Apr-15 4:10 AM, 1150 bytes, A Adds the file PrimaryColorBHO.dll"="30-Apr-15 4:10 AM, 269048 bytes, A Adds the file PrimaryColorUninstall.exe"="30-Apr-15 4:10 AM, 247320 bytes, A In the existing folder C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\hpq2vqto.default\extensions Adds the file [email protected]"="30-Apr-15 4:10 AM, 6202 bytes, A Registry details ------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}] "(Default)"="REG_SZ", "A0E31185-B8DA-4157-A26C-9C39BB1D59B8" "id"="REG_SZ", "350" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}] "(Default)"="REG_SZ", "IPrimaryColor" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}\TypeLib] "(Default)"="REG_SZ", "{3B5FB86C-49F9-4C28-9E74-03AC5A938798}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3B5FB86C-49F9-4C28-9E74-03AC5A938798}\1.0] "(Default)"="REG_SZ", "PrimaryColorIEClientLib" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3B5FB86C-49F9-4C28-9E74-03AC5A938798}\1.0\0\win32] "(Default)"="REG_SZ", "C:\Program Files (x86)\Primary Color\PrimaryColorbho.dll" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3B5FB86C-49F9-4C28-9E74-03AC5A938798}\1.0\FLAGS] "(Default)"="REG_SZ", "0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{3B5FB86C-49F9-4C28-9E74-03AC5A938798}\1.0\HELPDIR] "(Default)"="REG_SZ", "C:\Program Files (x86)\Primary Color" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}] "(Default)"="REG_SZ", "A0E31185-B8DA-4157-A26C-9C39BB1D59B8" "id"="REG_SZ", "350" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}] "(Default)"="REG_SZ", "Primary Color 1.0.0.7" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}\InprocServer32] "(Default)"="REG_SZ", "C:\Program Files (x86)\Primary Color\PrimaryColorbho.dll" "ThreadingModel"="REG_SZ", "Apartment" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}\Programmable] [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}\TypeLib] "(Default)"="REG_SZ", "{3b5fb86c-49f9-4c28-9e74-03ac5a938798}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}\Version] "(Default)"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}] "(Default)"="REG_SZ", "IPrimaryColor" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}\ProxyStubClsid32] "(Default)"="REG_SZ", "{00020424-0000-0000-C000-000000000046}" [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56334DDF-E0B3-4477-8B51-65953911EB1B}\TypeLib] "(Default)"="REG_SZ", "{3B5FB86C-49F9-4C28-9E74-03AC5A938798}" "Version"="REG_SZ", "1.0" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Primary Color] "DisplayIcon"="REG_SZ", "C:\Program Files (x86)\Primary Color\PrimaryColor.ico" "DisplayName"="REG_SZ", "Primary Color" "DisplayVersion"="REG_SZ", "2015.04.30.015334" "EstimatedSize"="REG_DWORD", 263 "HelpLink"="REG_SZ", "mailto:[email protected]" "InstallLocation"="REG_SZ", "C:\Program Files (x86)\Primary Color" "InstallTime"="REG_SZ", "2015-04-30 10:59:09" "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "Primary Color" "QuietUninstallString"="REG_SZ", "C:\Program Files (x86)\Primary Color\PrimaryColoruninstall.exe /S" "UninstallString"="REG_SZ", "C:\Program Files (x86)\Primary Color\PrimaryColoruninstall.exe" "URLInfoAbout"="REG_SZ", "http://getmyprimarycolor.com/support" "URLUpdateInfo"="REG_SZ", "http://getmyprimarycolor.com" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c8cf6562-73d6-410a-a886-001ea5b0e154}] "(Default)"="REG_SZ", "Primary Color 1.0.0.7" "NoExplorer"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Primary Color] "iid"="REG_SZ", "rz" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Primary Color\Chrome] "sgc"="REG_SZ", "true" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Primary Color\Firefox] "sff"="REG_SZ", "false" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Primary Color\Internet Explorer] "sie"="REG_SZ", "false" [HKCU\Software\Primary Color] "id"="REG_SZ", "2015-04-30 10:59:09" "iid"="REG_SZ", "rz" "is"="REG_SZ", "org_rz" [HKCU\Software\Primary Color\Chrome] "ug"="REG_SZ", "4B5560E4-F9FA-4CCC-9FE5-8B502D66AA2C" [HKCU\Software\Primary Color\Firefox] "ug"="REG_SZ", "45F46C4B-88FD-41C2-8E9B-11A3A52C5674" [HKCU\Software\Primary Color\Internet Explorer] "ug"="REG_SZ", "43C90BFE-8F58-4E12-9057-CEACB2E44A3C"Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 30-Apr-15 Scan Time: 2:18:42 PM Logfile: mbamPrimaryColor2.txt Administrator: Yes Version: 2.01.6.1022 Malware Database: v2015.04.30.04 Rootkit Database: v2015.04.21.01 License: Trial Malware Protection: Disabled Malicious Website Protection: Disabled Self-protection: Disabled OS: Windows 8.1 CPU: x64 File System: NTFS User: {username} Scan Type: Threat Scan Result: Completed Objects Scanned: 337854 Time Elapsed: 23 min, 27 sec Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Enabled Heuristics: Enabled PUP: Enabled PUM: Enabled Processes: 0 (No malicious items detected) Modules: 0 (No malicious items detected) Registry Keys: 17 PUP.Optional.BrowseFox.A, HKLM\SOFTWARE\CLASSES\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}, Quarantined, [5864145eaedcd066b1b9057d92718b75], PUP.Optional.BrowseFox.A, HKLM\SOFTWARE\WOW6432NODE\CLASSES\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}, Quarantined, [5864145eaedcd066b1b9057d92718b75], PUP.Optional.BrowseFox.A, HKLM\SOFTWARE\CLASSES\WOW6432NODE\CLSID\{4AA46D49-459F-4358-B4D1-169048547C23}, Quarantined, [5864145eaedcd066b1b9057d92718b75], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\WOW6432NODE\CLASSES\CLSID\{c8cf6562-73d6-410a-a886-001ea5b0e154}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\CLASSES\TYPELIB\{3b5fb86c-49f9-4c28-9e74-03ac5a938798}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\CLASSES\INTERFACE\{56334DDF-E0B3-4477-8B51-65953911EB1B}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\WOW6432NODE\CLASSES\INTERFACE\{56334DDF-E0B3-4477-8B51-65953911EB1B}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\CLASSES\WOW6432NODE\INTERFACE\{56334DDF-E0B3-4477-8B51-65953911EB1B}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\WOW6432NODE\CLASSES\TYPELIB\{3b5fb86c-49f9-4c28-9e74-03ac5a938798}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\CLASSES\WOW6432NODE\TYPELIB\{3b5fb86c-49f9-4c28-9e74-03ac5a938798}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{C8CF6562-73D6-410A-A886-001EA5B0E154}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\CLASSES\WOW6432NODE\CLSID\{C8CF6562-73D6-410A-A886-001EA5B0E154}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\SETTINGS\{C8CF6562-73D6-410A-A886-001EA5B0E154}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXT\STATS\{C8CF6562-73D6-410A-A886-001EA5B0E154}, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\Primary Color, Quarantined, [dede4f2389019d9985e2e762719511ef], PUP.Optional.PrimaryColor.A, HKLM\SOFTWARE\WOW6432NODE\Primary Color, Quarantined, [f5c7ee8468227cbadcc0359358ab60a0], PUP.Optional.PrimaryColor.A, HKCU\SOFTWARE\Primary Color, Quarantined, [bc002f43612945f1c5d58543778c7789], Registry Values: 0 (No malicious items detected) Registry Data: 0 (No malicious items detected) Folders: 2 PUP.Optional.PrimaryColor.A, C:\Program Files (x86)\Primary Color, Quarantined, [bffdc2b013770531f83f2c9cfc071ae6], PUP.Optional.PrimaryColor.A, C:\Users\{username}\AppData\Local\Temp\Primary Color, Quarantined, [8b314c2646442115d167e1e725de9e62], Files: 5 PUP.Optional.PrimaryColor.A, C:\Users\{username}\Desktop\primarycolorsetup.exe, Quarantined, [813b9dd5c0ca8da931362227fe0809f7], PUP.Optional.PrimaryColor.A, C:\Program Files (x86)\Primary Color\PrimaryColorBHO.dll, Quarantined, [427ab5bd3951191dea7d4bfe2bdb39c7], PUP.Optional.PrimaryColor.A, C:\Program Files (x86)\Primary Color\PrimaryColorUninstall.exe, Quarantined, [dede4f2389019d9985e2e762719511ef], PUP.Optional.PrimaryColor.A, C:\Users\{username}\AppData\Roaming\Mozilla\Firefox\Profiles\hpq2vqto.default\extensions\[email protected], Quarantined, [803c472b7e0c49ed356317b13bc855ab], PUP.Optional.PrimaryColor.A, C:\Program Files (x86)\Primary Color\PrimaryColor.ico, Quarantined, [bffdc2b013770531f83f2c9cfc071ae6], 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