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rfsfadnnwj.dll

Valid Applications

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser as well as modify the computer’s system settings that control applications to run on startup. Part of the Injekt brand of unwanted programs. The module rfsfadnnwj.dll by Valid Applications has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Valid Applications  (signed and verified)

Version:
1.0.0.1

MD5:
2190f5630c35b9b4e20cf814dc5929fa

SHA-1:
12c5e55bca6a5464d5eeb8c8439ea22945122467

SHA-256:
a5396766f210d1d6e40549016b8bc15ca26f33de96e55054ec523e0ea4d119f3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
8/16/2025 1:20:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.ValidApp (M)
16.7.23.1

File size:
1.2 MB (1,277,880 bytes)

Product version:
1.0.0.1

Copyright:
Copyright (C) 2014

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\ProgramData\fsgfjbmw\dat\rfsfadnnwj.dll

Digital Signature
Signed by:
Valid Applications

Authority:
Symantec Corporation

Valid from:
9/16/2015 2:00:00 AM

Valid to:
10/21/2015 1:59:59 AM

Subject:
CN=Valid Applications, O=Valid Applications, L=St. James, S=St. James, C=BB

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
77EC37EEE1E5112777E0776C7062CA74

File PE Metadata
Compilation timestamp:
10/19/2015 7:44:18 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:3zXaPm2g9RvNOxnFzmPNrX4jMTKIrTiIX8n9hYEhQzdJVLuiSN:3zXao9RvNOxnFzmPN+MTKSu9hY5zdmi+

Entry address:
0x268B

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 4E, 26, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 30, BD, 00, 10, 89, 0D, 2C, BD, 00, 10, 89, 15, 28, BD, 00, 10, 89, 1D, 24, BD, 00, 10, 89, 35, 20, BD, 00, 10, 89, 3D, 1C, BD, 00, 10, 66, 8C, 15, 48, BD, 00, 10, 66, 8C, 0D, 3C, BD, 00, 10, 66, 8C, 1D, 18, BD, 00, 10, 66, 8C, 05, 14, BD, 00, 10, 66, 8C, 25, 10, BD, 00, 10, 66, 8C, 2D, 0C, BD, 00, 10, 9C, 8F, 05, 40, BD...
 
[+]

Code size:
28 KB (28,672 bytes)

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