OPNNOMMF.DLL

Cloaked Malware

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Associated Malware Groups

The filename is associated with the malware groups:

Cloaked Malware
Worm

File Behavior

OPNNOMMF.DLL has been seen to perform the following behavior:

The Process is packed and/or encrypted using a software packing process

OPNNOMMF.DLL has been the subject of the following behavior:

Registered as a Dynamic Link Library File
Enabled as an In Process Object/Server - Common with DLL Injections
Added as a Winlogon Notification DLL to automatically load on system start up
Created as a process on disk
The process is hooked into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
Added as a Registry auto start to load Program on Boot up

Country Of Origin

The filename OPNNOMMF.DLL was first seen on Sep 25 2008 in the following geographical regions of the Webroot community:

Netherlands on Sep 25 2008
Canada on Jan 15 2009

File Name Aliases

OPNNOMMF.DLL can also use the following file names:

EFCDWPJD.DLL
VTUKJJBY.DLL
XXYAXYSQ.DLL
TUVVNHXW.DLL
TUVTKKLL.DLL
HGGVUTLI.DLL
URQQIJJD.DLL
CBXOHYON.DLL
GEBRPONF.DLL
MLJIXNHY.DLL
PMNLDSSI.DLL
HGGYAWVP.DLL
YAYYYOIB.DLL
VTUNNMMD.DLL
FCCCVSLB.DLL
KHFCVOOI.DLL
NNNFFXWV.DLL
BYXNFCBQ.DLL
QOMCCCUT.DLL
SSQNHYWN.DLL
JKKLBQQJ.DLL
FCCCDDVT.DLL
QOMGEWQH.DLL
RQRJCTJH.DLL
NNNKKBRS.DLL
LJABXROP.DLL
RQRJDSQP.DLL
QOMDVVUM.DLL
QOMDBRRH.DLL
DDCAPMGF.DLL
IIFFYAYW.DLL
TUVSRJYQ.DLL
TUVSJHBX.DLL
CBXPIJCC.DLL
EFCVVTLL.DLL
YAYAAPQH.DLL
TULDCDUV.DLL
CBXQKATQ.DLL
PMDUKIXP.DLL
RQRKHGFU.DLL
AWOPOEDB.DLL
MLJDVUNN.DLL
LJJYASPI.DLL
BYOEDCYY.DLL
RQRHYSTS.DLL
AWOHHFEX.DLL
DDCCYPNM.DLL
LJJARKJG.DLL
URQPFXYY.DLL
BYXPGVNK.DLL
08732031.DLL
30542859.SVD

Filesizes

The following file size has been seen:

253,952 bytes
45,568 bytes

File Type

The filename OPNNOMMF.DLL refers to many versions of a dynamic link library.

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I have this file on my PC and believe it is an infection
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My firewall asked if I wanted to let this file have access to the Internet
My PC will not work since I noticed this file on it
My antivirus detected this file but won't remove it
I know what this file is and believe it is a Safe program
I am the author of this file and would like to discuss how to have it reclassified as safe

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