prxf.dll

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 module prxf.dll 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, 2, 323, 1

MD5:
8a4e30d1e9556770196ecfe06f24e811

SHA-1:
91e1c1f9e8e96ddc39bc74cbc3d4d6d22e70289b

SHA-256:
844e80bb233495d1365153f3d7b0109d807c2a8ffca0ce9aa385527fd79ea702

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:
10/31/2024 10:52:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
16.9.7.6

File size:
220.6 KB (225,920 bytes)

Product version:
1, 2, 323, 1

Copyright:
Copyright © 2001-2008

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\windows\temp\{random}.tmp\prxf.dll

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:
3/31/2009 8:15:28 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
6144:+j2aLHLEbfdFpwPMHL8VjzKFc/OgEzGlD51r4:+VLr8drw4L8B2DgEe91r4

Entry address:
0x136E7

Entry point:
6A, 0C, 68, 98, 6D, 02, 10, E8, 91, 08, 00, 00, 33, C0, 40, 89, 45, E4, 8B, 75, 0C, 33, FF, 3B, F7, 75, 0C, 39, 3D, 54, 09, 03, 10, 0F, 84, B3, 00, 00, 00, 89, 7D, FC, 3B, F0, 74, 05, 83, FE, 02, 75, 31, A1, 30, D2, 02, 10, 3B, C7, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D0, 89, 45, E4, 39, 7D, E4, 0F, 84, 85, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 22, FE, FF, FF, 89, 45, E4, 3B, C7, 74, 72, 8B, 5D, 10, 53, 56, FF, 75, 08, E8, 9D, D6, FF, FF, 89, 45, E4, 83, FE, 01, 75, 0E, 3B, C7, 75, 0A, 53, 57, FF...
 
[+]

Entropy:
6.0539

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

Code size:
144 KB (147,456 bytes)

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