Home Malware Programs Potentially Unwanted Programs (PUPs) QuickRef

QuickRef

Posted: February 2, 2015

Threat Metric

Ranking: 11,652
Threat Level: 2/10
Infected PCs: 31,288
First Seen: February 2, 2015
Last Seen: September 24, 2023
OS(es) Affected: Windows

QuickRef is a potentially unwanted program that may be installed through freeware program downloads or bundled software. The QuickRef program may come as a surprise to many computer users where it may cause unwanted pop-ups or redirects to random sites that have questionable content. The many annoyances of QuickRef may not be stopped until QuickRef is completely removed from your system. Usually, removal of QuickRef will warrant finding all related files or web browser extensions of QuickRef and then delete each of them one by one. In other cases QuickRef may be eliminated automatically by use of an antispyware application. After removal, any pop-up or redirection actions will stop occurring.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



C:\Program Files\QuickRef_1.10.0.8\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: 08037c14dc080e3e760d58e6324919ba
Detection count: 7,321
File type: Executable File
Mime Type: unknown/exe
Path: C:\Program Files\QuickRef_1.10.0.8\Service\qrsvc.exe
Group: Malware file
Last Updated: September 19, 2021
C:\Program Files (x86)\QuickRef_1.10.0.12\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: 80535035cdd0e00819f715964a51c1dd
Detection count: 4,324
File type: Executable File
Mime Type: unknown/exe
Path: C:\Program Files (x86)\QuickRef_1.10.0.12\Service\qrsvc.exe
Group: Malware file
Last Updated: October 9, 2022
c:\windows\system32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 52.72 KB (52720 bytes)
MD5: 245bc099be402867a7bcdd482fe5e55a
Detection count: 3,775
File type: System file
Mime Type: unknown/sys
Path: c:\windows\system32\drivers\qrnfd_1_10_0_9.sys
Group: Malware file
Last Updated: August 1, 2022
c:\windows\system32\drivers\qrnfd_1_10_0_8.sys File name: qrnfd_1_10_0_8.sys
Size: 52.72 KB (52720 bytes)
MD5: e4799e9afbaf15f06c9f59963b1f3611
Detection count: 1,098
File type: System file
Mime Type: unknown/sys
Path: c:\windows\system32\drivers\qrnfd_1_10_0_8.sys
Group: Malware file
Last Updated: September 19, 2021
c:\windows\system32\drivers\qrnfd_1_10_0_12.sys File name: qrnfd_1_10_0_12.sys
Size: 58.22 KB (58224 bytes)
MD5: b5617a222d46e7801a4cb2a298da7b93
Detection count: 361
File type: System file
Mime Type: unknown/sys
Path: c:\windows\system32\drivers\qrnfd_1_10_0_12.sys
Group: Malware file
Last Updated: May 27, 2023
%WINDIR%\System32\drivers\qrnfd_1_10_0_12.sys File name: qrnfd_1_10_0_12.sys
Size: 52.72 KB (52720 bytes)
MD5: 473802244078dc7213cf7c3f47115f48
Detection count: 246
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: July 25, 2020
%PROGRAMFILES(x86)%\QuickRef_1.10.0.9\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: 38669d75dbb48542105ad51a91ddab55
Detection count: 187
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\QuickRef_1.10.0.9\Service
Group: Malware file
Last Updated: March 19, 2022
c:\windows\system32\drivers\qrnfd_1_10_0_8.sys File name: qrnfd_1_10_0_8.sys
Size: 58.22 KB (58224 bytes)
MD5: f68d780e65d1d25756c6ab68fea85cf2
Detection count: 77
File type: System file
Mime Type: unknown/sys
Path: c:\windows\system32\drivers\qrnfd_1_10_0_8.sys
Group: Malware file
Last Updated: April 12, 2022
%PROGRAMFILES%\QuickRef_1.10.0.13\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: d408dcc8953d49f9713d970cf55f58e6
Detection count: 59
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\QuickRef_1.10.0.13\Service
Group: Malware file
Last Updated: September 14, 2020
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 52.72 KB (52720 bytes)
MD5: 814295e6416b3dd5a612f7bcad5707b9
Detection count: 53
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 52.72 KB (52720 bytes)
MD5: 2d1a97451d77b4c86cb5bb5b0034c9c5
Detection count: 52
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 58.22 KB (58224 bytes)
MD5: 94ed14eb0963590ae59f2270e59d50c9
Detection count: 45
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016
%PROGRAMFILES%\QuickRef_1.10.0.9\Service\qrsvc.exe File name: qrsvc.exe
Size: 282.62 KB (282624 bytes)
MD5: c03a0e183695e6ca275577f946cda27e
Detection count: 40
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES%\QuickRef_1.10.0.9\Service
Group: Malware file
Last Updated: April 19, 2016
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 58.22 KB (58224 bytes)
MD5: b70a32ee47a67b80e6ec1e1c86c2c781
Detection count: 36
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016
%PROGRAMFILES(x86)%\QuickRef_1.10.0.13\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: 4e97ffd0511ada9fe978e7c15ece659f
Detection count: 34
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\QuickRef_1.10.0.13\Service
Group: Malware file
Last Updated: April 19, 2016
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 58.22 KB (58224 bytes)
MD5: 37251e9f4a2a97686f0644198361f574
Detection count: 22
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016
%PROGRAMFILES(x86)%\QuickRef_1.10.0.12\Service\qrsvc.exe File name: qrsvc.exe
Size: 278.59 KB (278592 bytes)
MD5: 2365b6a0fddf11703b549c2a9e70b2de
Detection count: 7
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\QuickRef_1.10.0.12\Service
Group: Malware file
Last Updated: April 19, 2016
%WINDIR%\System32\drivers\qrnfd_1_10_0_9.sys File name: qrnfd_1_10_0_9.sys
Size: 52.72 KB (52720 bytes)
MD5: 14142854c450ee8125fc7eadfff03dcd
Detection count: 5
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: April 9, 2016

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\..\..{RegistryKeys}SYSTEM\ControlSet001\services\qrnfd_1_10_0_8SYSTEM\ControlSet001\services\qrnfd_1_10_0_9SYSTEM\ControlSet001\services\qrsvc_1.10.0.9SYSTEM\ControlSet002\services\qrsvc_1.10.0.9SYSTEM\CurrentControlSet\services\qrnfd_1_10_0_8SYSTEM\CurrentControlSet\services\qrnfd_1_10_0_9SYSTEM\CurrentControlSet\services\qrsvc_1.10.0.8SYSTEM\CurrentControlSet\services\qrsvc_1.10.0.9HKEY_LOCAL_MACHINE\Software\[APPLICATION]\Microsoft\Windows\CurrentVersion\Uninstall..{Uninstaller}QuickRef_1.10.0.8

Additional Information

The following directories were created:
%PROGRAMFILES%\QuickRef_1.10.0.8%PROGRAMFILES(x86)%\QuickRef_1.10.0.8
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