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rbyrvr.dll

Small Island Development

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. Part of the Injekt brand of unwanted programs. The module rbyrvr.dll by Small Island Development has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Small Island Development  (signed and verified)

Version:
1.0.0.1

MD5:
dae7c8db1525cd863d4441b14983ac5b

SHA-1:
742f7e120cd5a442de61dc66f51b1b63a211065b

SHA-256:
33d3fc882a55627c4339617323d003b72ac9368657a03d079b53a52ac472ca89

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:
11/15/2024 12:04:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
17.2.6.14

File size:
1.4 MB (1,456,624 bytes)

Product version:
1.0.0.1

Copyright:
Copyright (C) 2014

File type:
Dynamic link library (Win64 DLL)

Language:
English (United States)

Common path:
C:\ProgramData\vuduhkr\dat\rbyrvr.dll

Digital Signature
Signed by:
Small Island Development

Authority:
Symantec Corporation

Valid from:
12/24/2014 12:00:00 AM

Valid to:
2/22/2016 11:59:59 PM

Subject:
CN=Small Island Development, O=Small Island Development, 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:
2ACB4CDCE993E485342ABFA2BCA95A17

File PE Metadata
Compilation timestamp:
2/10/2015 5:56:01 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x2A18

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, FF, 2B, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, 48, 89, 4C, 24, 08, 48, 81, EC, 88, 00, 00, 00, 48, 8D, 0D, 55, C6, 00, 00, FF, 15, 87, 76, 00, 00, 48, 8B, 05, 40, C7, 00, 00, 48, 89, 44, 24, 58, 45, 33, C0, 48, 8D, 54, 24, 60, 48, 8B, 4C, 24, 58, E8, FB, 4B, 00, 00, 48, 89, 44, 24, 50, 48, 83, 7C, 24...
 
[+]

Entropy:
7.9697  (probably packed)

Code size:
34 KB (34,816 bytes)

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