84,488,480 programs installed

Should I remove PermissionResearch?

What percent of users and experts removed it?
53% remove it47% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #34,888
United States Rank #25,845
Reach 0.0035%
Lifespan of installation (until removal)
< 3.03 days
89.37 days >
Average installed length: 46.96 days


1.3.337.398 2.94%
1.3.337.388 1.47%
1.3.337.376 1.47%
1.3.337.354 13.24%
1.3.337.346 8.82%
1.3.337.344 11.76%
1.3.337.341 4.41%
1.3.337.328 4.41%
1.3.337.327 13.24%
1.3.337.320 14.71%
1.3.336.320 5.88%
1.3.335.337 14.71%
1.3.335.325 1.47%
1.3.334.331 1.47%

Other programs by TMRG


What is PermissionResearch?  (from TMRG)

PermissionResearch is part of an online market research community with over 2 million members worldwide. PermissionResearch relies on its members to gain valuable insight into Internet trends and behavior. This research is used by major media outlets and companies trying to understand how people around the globe actual...  Read more


PermissionResearch is a program developed by TMRG. The most used version is 1.3.337.320, with over 98% of all installations currently using this version. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is prservice.exe. The software installer includes 12 files and is usually about 6.62 MB (6,938,305 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 66% of users of PermissionResearch come from the United States, it is also popular in United Kingdom and Canada.
  • Possible malware installed by this program
  • Adds a background Windows Service
Warning, multiple anti-virus scanners have detected possible malware in PermissionResearch.
prservice.exe (cd9dcf27d994f47306c565bd7dd456ae) has been flagged by the following 8 scanners:
Anti-Virus softwareVersionDetection
AVG 2014.0.3449 Skodna.Generic_r
Comodo Security 16320 ApplicUnwnt
Emsisoft Anti-Malware Riskware.Win32.RelevantKnowledge.AMN
ESET-NOD32 7.8374 a variant of Win32/Adware.RK
F-Prot v6. W32/Relevant.B.gen
K7 AntiVirus 13.168.8751 Adware
SUPERAntiSpyware 10519 PUP.RelevantKnowledge
TrendMicro-HouseCall 7.2.146 TROJ_GEN.F47V0411
prmrsr.exe (e5c1d7d78637cc941006bb783399181e) has been flagged by the following 11 scanners:
Anti-Virus softwareSoftware versionDetection
Avira AntiVir ADWARE/Adware.Gen
Bkav FE W32.Clodd50.Trojan.5464
Comodo Security 17318 ApplicUnwnt
ESET-NOD32 9085 a variant of Win32/Adware.RK.AE
F-Prot W32/Relevant.A.gen!Eldorado
K7 AntiVirus 9.174.10286 Unwanted-Program ( 00454f261 )
K7GW 9.174.10286 Unwanted-Program ( 00454f261 )
Kingsoft AntiVirus 2013.4.9.267 Win32.Troj.Generic.a.(kcloud)
Sophos 4.95.0 Generic Proxy-OSS Application
TrendMicro-HouseCall 9.700.0.1001 TROJ_GEN.F47V0822
VIPRE Antivirus 23636 Marketscore.RelevantKnowledge (fs)
prls.dll (fe8f43632c9b0427e27bfc42e079f1c8) has been flagged by the following 7 scanners:
Anti-Virus softwareSoftware versionDetection
AVG Skodna.Generic_r.DG
Comodo Security 16500 ApplicUnwnt
ESET-NOD32 8494 a variant of Win32/Adware.RK.AM
F-Prot W32/Relevant.B.gen!Eldorado
K7 AntiVirus 9.170.8913 Adware
SUPERAntiSpyware PUP.RelevantKnowledge
TrendMicro-HouseCall 9.700.0.1001 TROJ_GEN.F47V0411
       View all 26 all detections

Program detailsProgram details

URL: www.permissionresearch.com/About.aspx
Installation folder: C:\Program Files\permissionresearch
Uninstaller: C:\Program Files\PermissionResearch\prmrsr.exe -bootremove -uninsC:PermissionResearch
Estimated size: 6.62 MB

Program filesFiles installed by PermissionResearch

Program executable:prservice.exe (Malware detected)
Path:C:\Program Files\permissionresearch\prservice.exe
Additional files:
  • prls.dll - PermissionResearch
  • prls64.dll
  • prmrsr.exe
  • prmrsr32.exe
  • prmrsr64.exe
  • prph.dll
  • prxf.dll

Program behaviorsBehaviors exhibited

  • prservice.exe runs as a service named 'PermissionResearch' (PermissionResearch).
Windows Firewall Allowed Program
  • prmrsr.exe is added as a firewall exception for 'C:\Program Files\permissionresearch\prmrsr.exe'.

How do I remove PermissionResearch?

You can uninstall PermissionResearch from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program PermissionResearch, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove PermissionResearch.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

Win 7 (SP1) 50%
Win Vista (SP2) 1%
Windows Service? Yes
(Installs a service)
Uninstall it 53%
Keep it 47%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 54.41%
Windows 10 39.71%
Windows XP 4.41%
Windows Vista 1.47%
Which OS releases does it run on?
Windows 7 Home Premium 41.18%
Windows 8.1 16.18%
Windows 10 Home 10.29%
Windows 7 Professional 8.82%
Windows 8 4.41%
Windows 7 Ultimate 4.41%

Distribution by countryGeography

66.30% of installs come from the United States
Which countries install it?
  United States 66.30%
  United Kingdom 15.22%
  Canada 7.61%
  Brazil 3.26%
  Germany 1.09%
  Spain 1.09%
  Romania 1.09%
  Netherlands 1.09%
  Turkey 1.09%
  India 1.09%
  Italy 1.09%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 29.09%
Acer 23.64%
Dell 20.00%
ASUS 9.09%
Lenovo 3.64%
Samsung 3.64%
Toshiba 3.64%
Sony 3.64%
Medion 1.82%
Common models
Dell Inspiron N5050 3.33%
HP Pavilion g6 Notebook P... 3.33%
Samsung 550P5C/550P7C 1.67%
HP HP Spectre x360 Conver... 1.67%
Hewlett-Packard p6820 1.67%
HP Pavilion g7 Notebook P... 1.67%


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