prservice.exe

PermissionResearch

TMRG, Inc.

The component is part of the TMRG platform which will track various behaviors of web browsing habits including tracking sites and domains visited as well as ads clicked. The application prservice.exe by TMRG has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “PermissionResearch”.
Publisher:
TMRG, Inc.  (signed and verified)

Product:
PermissionResearch

Version:
1.1.16.164 (Build 16.164)

MD5:
c22edf18ca612f99fa63b0eeb037c17f

SHA-1:
1e109b711d548fd232f876804d9b1dda7394a297

SHA-256:
d44872bef9082eca6e1893993f7011bfa2276c10023b9d5da8107f5c0e0eddfa

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/23/2024 10:45:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
16.11.7.17

File size:
104.6 KB (107,136 bytes)

Product version:
1.1.16.164 (Build 16.164)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\permissionresearch\prservice.exe

Digital Signature
Signed by:

Authority:
Thawte Consulting (Pty) Ltd.

Valid from:
9/2/2009 2:00:00 AM

Valid to:
9/28/2011 1:59:59 AM

Subject:
CN="TMRG, Inc.", OU=SECURE APPLICATION DEVELOPMENT, O="TMRG, Inc.", L=Reston, S=Virginia, C=US

Issuer:
CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA

Serial number:
0C22D897C820001A2C4C01D3AEBB98E8

File PE Metadata
Compilation timestamp:
8/16/2011 5:12:07 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

CTPH (ssdeep):
1536:lBVsZnpnMRfEJnbmikIuFbvsVkS9HTMkTULOZQtDtChJUjQ:/VsUyEbQlmOZQtDo/P

Entry address:
0x5D25

Entry point:
E8, 3E, 55, 00, 00, E9, 41, FE, FF, FF, 3B, 0D, B8, 66, 41, 00, 75, 02, F3, C3, E9, BE, 55, 00, 00, CC, CC, 68, A0, 5D, 40, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, B8, 66, 41, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B, 4D, F0, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, CC, CC, CC, CC, CC, CC, CC, 83, EC, 14, 53, 8B...
 
[+]

Code size:
60 KB (61,440 bytes)

Service
Display name:
PermissionResearch

Type:
Win32OwnProcess


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