UNINSTALLER.EXE, Prevx

Associated Malware Groups

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

Adware

File Behavior

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

Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
Executes a Process
Creates new folders on the system
This Process Deletes Other Processes From Disk
Copies files
This process creates other processes on disk
Creates or uses a background service to access the Internet using HTTP protocols
Injects code into other processes
Performs DNS look ups to resolve URL IP addresses
Can Send email using SMTP protocols
Communicates with other computers using FTP connections
This Process sends MIME Email
This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
Executes Processes stored in Temporary Folders
Found on infected systems and resists interrogation by security products

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

Created as a process on disk
Executed as a Process
Deleted as a process from disk
Copied to multiple locations on the system
Executed from Temporary Folders

Country Of Origin

The filename UNINSTALLER.EXE was first seen on May 16 2007 in the following geographical regions of the Webroot community:

The United States on May 16 2007
Sweden on May 31 2007
France on Sep 30 2009
Germany on Jan 6 2010
Virgin Islands, U.S. on Oct 28 2010
Taiwan on May 25 2012

File Name Aliases

UNINSTALLER.EXE can also use the following file names:

M7|UNINSTALLER.EXE
DAZBAZ (nn).EXE
AU_.EXE
CU_.EXE
ZQ21.TMP
40955318.EXE

Filesizes

The following file size has been seen:

74,858 bytes
83,638 bytes
347,196 bytes
365,812 bytes
84,168 bytes
364,570 bytes
101,587 bytes

File Type

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

File Activity

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

Deletes c:\docume~1\user\locals~1\temp\nsw7.tmp
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Au_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Bu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Cu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Du_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Eu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Fu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Gu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Hu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Iu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Ju_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Ku_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Lu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Mu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Nu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Ou_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Pu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Qu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Ru_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Su_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Tu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Uu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Vu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Wu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Xu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Yu_.exe
Deletes c:\docume~1\user\locals~1\temp\~nsu.tmp\Zu_.exe
create folder C:\Program Files\Hotbar
Deletes c:\docume~1\user\locals~1\temp\nsxB.tmp
Deletes c:\docume~1\user\locals~1\temp\nsmD.tmp
Creates c:\docume~1\user\locals~1\temp\nsmd.tmp\UserInfo.dll
Creates c:\docume~1\user\locals~1\temp\nsmd.tmp\TVEngineCommand.dll
Creates c:\docume~1\user\locals~1\temp\nsmd.tmp\System.dll
Deletes c:\docume~1\user\locals~1\temp\nsmd.tmp\System.dll
Deletes c:\docume~1\user\locals~1\temp\nsmd.tmp\TVEngineCommand.dll
Deletes c:\docume~1\user\locals~1\temp\nsmd.tmp\UserInfo.dll

Help the Webroot Community to fight cyber crime

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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
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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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UNINSTALLER.EXE

Free PC Cleanup from Webroot