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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:
1.1.10.119 (Build 10.119)

MD5:
cf7241ba63a64cfc46d683b6d97c2a83

SHA-1:
3b44a7a54c48d1fc19e8c34bd5a018f2f2fffef0

SHA-256:
b7e1b4b12a8339e3e49ac62c561d3488680e90ab36848c8ddf3dacf124ac644d

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:
5/1/2024 9:04:41 PM 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:
1.1.10.119 (Build 10.119)

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:
TMRG, Inc.

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:
9/18/2009 7:32:42 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
7.10

CTPH (ssdeep):
768:D+TTCk+G0vSfgmq0lIRUUX/GGT56iUi1iLQta+pZLB/:aT+Oq0+R//9oWicta+pZ9/

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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