Home Malware Programs Potentially Unwanted Programs (PUPs) QuickRef

QuickRef

Posted: February 2, 2015

Threat Metric

Ranking: 13,361
Threat Level: 2/10
Infected PCs: 31,363
First Seen: February 2, 2015
Last Seen: February 1, 2025
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:\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: 363
File type: System file
Mime Type: unknown/sys
Path: c:\windows\system32\drivers\qrnfd_1_10_0_12.sys
Group: Malware file
Last Updated: December 8, 2024
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
%WINDIR%\System32\drivers\qrnfd_1_10_0_13.sys File name: qrnfd_1_10_0_13.sys
Size: 52.72 KB (52720 bytes)
MD5: 16840c63c4081ad6640381eb59defc50
Detection count: 69
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: 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_1.10.0.13\Service\qrsvc.exe File name: qrsvc.exe
Size: 361.53 KB (361536 bytes)
MD5: d0eb02f2e792ab220b67f4df07a2dde2
Detection count: 17
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

More files

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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