WOWFX.DLL

Cloaked Malware

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Associated Malware Groups

The filename is associated with the malware groups:

Cloaked Malware
Worm
Malicious Software

File Behavior

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

The Process is packed and/or encrypted using a software packing process
Found on infected systems and resists interrogation by security products
Uses rootkit techniques to conceal its presence, interrogation or removal
Uses low level functions to hide itself from the user and from system/security processes

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

Created as a process on disk
Deleted as a process from disk
Registered as a Dynamic Link Library File
Registered as a Windows APPINIT DLL To be loaded in all processes
Added as a Registry Key (RUNONCE) to auto start Programs on system start up

Country Of Origin

The filename WOWFX.DLL was first seen on Nov 23 2007 in the following geographical regions of the Webroot community:

The United States on Nov 23 2007
Romania on Nov 23 2007
Netherlands on Aug 22 2008
Spain on Aug 22 2008
on Aug 30 2008
Europe on Oct 31 2008
Italy on Oct 31 2008
Slovakia on Nov 23 2011

Filesizes

The following file size has been seen:

57,344 bytes
57,856 bytes
90,112 bytes
18,944 bytes

File Type

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

File Activity

One or more files with the name WOWFX.DLL creates, deletes, copies or moves the following files and folders:

create folder C:\WINDOWS\system32\xlib254.dll
create folder C:\WINDOWS\system32\append.dll
Deletes c:\windows\system32\wowfx.dll
Deletes c:\windows\system32\xlib254.dll
Deletes c:\windows\system32\append.dll

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The filename referred to in this report is often associated with PC infections. If you have a program of this name on your PC and would like to help our research please tell us what you know in the form below:

I have this file on my PC and believe it is an infection
I have this file on my PC and think it has made my PC slower
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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