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mcaudrv.sys

ManyCam

ManyCam LLC

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 mcaudrv.sys, “ManyCam Virtual Microphone” by ManyCam has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “ManyCam Virtual Microphone”.
Publisher:
Visicom Media Inc.  (signed by ManyCam LLC)

Product:
ManyCam

Description:
ManyCam Virtual Microphone

Version:
4.1.0.0

MD5:
debd10fee6bea7ed7b03e75b67714fed

SHA-1:
3d45112a41cf3cd9b4475bad1148ec2403936d7a

SHA-256:
1f70cccdd503717e5b55e167a04d6093819635283b76a7ce149de60845ea61f8

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:
4/19/2024 12:21:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Visicom
15.2.26.16

File size:
29.8 KB (30,488 bytes)

Product version:
4.1.0.0

Copyright:
(с) 2006-2015 Visicom Media Inc.

Original file name:
mcaudrv.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\mcaudrv.sys

Digital Signature
Signed by:
ManyCam LLC

Authority:
VeriSign, Inc.

Valid from:
11/6/2012 2:00:00 AM

Valid to:
1/6/2015 1:59:59 AM

Subject:
CN=ManyCam LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ManyCam LLC, L=Austin, S=Texas, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
0290E3365D34DCFDF858AFFE04D77510

File PE Metadata
Compilation timestamp:
12/4/2013 9:09:14 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
384:99gPAt3oc3DdVGD7bnOTAOu84Z3kiQH8NhWbTcl0BUTnYPLa2UHeMW5:icTdVK/nTOJO3VlHWbm02Tw5

Entry address:
0x4CDE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 98, FF, FF, FF, CC, CC, 4C, 4D, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, 4F, 00, 00, 0C, 43, 00, 00, 40, 4D, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 70, 4F, 00, 00, 00, 43, 00, 00, B0, 4D, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 34, 50, 00, 00, 70, 43, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 48, 4F, 00, 00, 5C, 4F, 00, 00, 00, 00, 00, 00, 08, 4E, 00, 00, 12, 4E, 00, 00, 2A, 4E, 00, 00, 34, 4E, 00, 00, 48, 4E...
 
[+]

Entropy:
6.7509

Code size:
16.6 KB (17,024 bytes)

Driver
Display name:
ManyCam Virtual Microphone

Service name:
mcaudrv_simple

Type:
Kernel device driver (KernelDriver)


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