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registry_writter

Visicom Media Inc.

This is part of the Visicom VMN web browser toolbar and extension that will modify the browser's default search provider, DNS, and home page functions. The file registry_writter by Visicom Media has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from installer.manycams.com.
Publisher:
Visicom Media Inc.  (signed and verified)

MD5:
ef82688f26d3a4f476272c766bb15564

SHA-1:
261b52a41d4d4d54b98880858d030526b69aac03

SHA-256:
acd362074cebd02f8a1501a7c7ed685952958c092895709fe8a2504dc9be55ea

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
9/30/2025 4:54:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.VisicomMedia.T
14.9.17.3

File size:
39.9 KB (40,816 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\registry_writter

Digital Signature
Signed by:
Visicom Media Inc.

Authority:
Thawte, Inc.

Valid from:
4/17/2012 5:00:00 PM

Valid to:
6/21/2014 4:59:59 PM

Subject:
CN=Visicom Media Inc., OU=SECURE APPLICATION DEVELOPMENT, O=Visicom Media Inc., L=Brossard, S=Quebec, C=CA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
2B19B54BB7ABEE1A2623111C029AF449

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
768:7HJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJd/fpg:7pgpHzb9dZVX9fHMvG0D3XJhpg

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
6.6086

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file registry_writter has been seen being distributed by the following URL.

http://installer.manycams.com/.../registry_writter.exe

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