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.
Publisher:
TMRG, Inc.  (signed and verified)

Product:
PermissionResearch

Version:
1.0.13.138 (Build 13.138)

MD5:
6c311605d9625a63bb432be1e39c54db

SHA-1:
d793af2132b1093e22f4134b77dbff7ad8130b84

SHA-256:
1a7ec69ac083bad7a2d5ef1aa92c6a7b61b3a9bee3874cff8a8fce2ff2218af9

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:
12/23/2024 3:17:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
16.9.7.6

File size:
48.6 KB (49,792 bytes)

Product version:
1.0.13.138 (Build 13.138)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\windows\temp\{random}.tmp\prservice.exe

Digital Signature
Signed by:

Authority:
Thawte Consulting (Pty) Ltd.

Valid from:
7/16/2007 5:00:00 PM

Valid to:
9/27/2009 4:59:59 PM

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:
02491544000D8C9D63F061B1EBAE8466

File PE Metadata
Compilation timestamp:
5/21/2009 2:18:33 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
7.10

CTPH (ssdeep):
768:0+TTCk+GEvSfgmq0lIRUUX/G2qb6iUi1iLQta++kL4EFZ:1T+eq0+R//CoWicta++kM4Z

Entry address:
0x42A0

Entry point:
6A, 28, 68, 48, 76, 40, 00, E8, 9C, FF, FF, FF, 33, FF, 57, FF, 15, 44, 51, 40, 00, 66, 81, 38, 4D, 5A, 75, 1F, 8B, 48, 3C, 03, C8, 81, 39, 50, 45, 00, 00, 75, 12, 0F, B7, 41, 18, 3D, 0B, 01, 00, 00, 74, 1F, 3D, 0B, 02, 00, 00, 74, 05, 89, 7D, E4, EB, 27, 83, B9, 84, 00, 00, 00, 0E, 76, F2, 33, C0, 39, B9, F8, 00, 00, 00, EB, 0E, 83, 79, 74, 0E, 76, E2, 33, C0, 39, B9, E8, 00, 00, 00, 0F, 95, C0, 89, 45, E4, 89, 7D, FC, 6A, 01, FF, 15, 78, 51, 40, 00, 59, 83, 0D, 8C, 9B, 40, 00, FF, 83, 0D, 90, 9B, 40, 00...
 
[+]

Entropy:
5.0124

Developed / compiled with:
Microsoft Visual C++ v7.1

Code size:
16 KB (16,384 bytes)

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