AEINSTNR.EXE

Fraudulent Security Program

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Associated Malware Groups

The unsafe files using this name are associated with the malware groups:

Fraudulent Security Program
Malicious Software

File Behavior

AEINSTNR.EXE has been seen to perform the following behavior:

Executes a Process
Enables a COM Object/Server on the Local Machine
Injects code into other processes
Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
Changes the Windows Security Center to stop Antivirus status alerts from being displayed
Changes the Windows Security Center to stop Firewall status alerts from being displayed
Changes the Windows Security Center to stop Firewall override alerts from being displayed
Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
Creates a new Background Service on the machine
Disables safe mode on your PC

AEINSTNR.EXE has been the subject of the following behavior:

Executed as a Process
Enabled as a COM Object/Server on the Local Machine

Country Of Origin

The filename AEINSTNR.EXE was first seen on May 13 2009 in the following geographical regions of the Webroot community:

China on May 13 2009
Spain on May 13 2009
Ecuador on Jan 7 2010
Indonesia on Jan 7 2010
India on Dec 11 2010
The United Kingdom on Dec 19 2010
Turkey on May 24 2012

File Name Aliases

AEINSTNR.EXE can also use the following file names:

59926023.DAT
54591208.DAT
87784847.EXE
07876224.DAT
43106291.DAT
48831085.EXE
89291978.EXE

Filesizes

The following file size has been seen:

20,480 bytes
47,104 bytes
53,765 bytes
94,208 bytes

File Type

The filename AEINSTNR.EXE refers to many versions of an executable program.

Help the Webroot Community to fight cyber crime

We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.

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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