TRUEINSTALL.EXE

Malicious Software

It is possible that your PC could be infected. The file name TRUEINSTALL.EXE is used by both safe and unsafe programs.

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Associated Malware Groups

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

Malicious Software

File Behavior

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

The Process is packed and/or encrypted using a software packing process
Adds products to the system registry
Can communicate with other computer systems using HTTP protocols
This process creates other processes on disk
This Process Deletes Other Processes From Disk
Adds a Link in the Start Menu
Executes a Process
Deletes Links in the Start Menu
Writes to another Process's Virtual Memory (Process Hijacking)
Terminates Processes
Creates system tray popups, messages, errors and security warnings

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

Executed by Internet Explorer
Created as a process on disk
Executed as a Process
Deleted as a process from disk
Has code inserted into its Virtual Memory space by other programs
Terminated as a Process
Copied to multiple locations on the system

Country Of Origin

The filename TRUEINSTALL.EXE was first seen on May 19 2007 in the following geographical regions of the Webroot community:

The United States on May 19 2007
on Jul 3 2007
Europe on Jul 3 2007
Namibia on Mar 9 2012

File Name Aliases

TRUEINSTALL.EXE can also use the following file names:

TRUEINSTALLBTYAHOO.EXE
TRUEINSTALLBTYAHOO[n].EXE
VQ0HLD9H.EXE
TRUEINSTALLCOMCAST(n).EXE
TRUEINSTALLCOMCAST[n].EXE
TRUEINSTALLCOMCAST.EXE
MRRD50X7.EXE
LKKVNFJW.EXE
YXQ3TQVC.EXE
QWOXV6ZB.EXE
KMEJIVF4.EXE
V9XSGM5E.EXE
TRUEINSTALLSUDDENLINK.EXE
TRUEINSTALLSUDDENLINK[n].EXE
HOAAZHX8.EXE
TRUEINSTALLSUDDENLINK[1].EXE
TRUEINSTALLCOMCAST[1].EXE
DC781.EXE

Filesizes

The following file size has been seen:

75,384 bytes
74,608 bytes
171,344 bytes

File Type

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

File Activity

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

create folder C:\Program Files\TrueSwitchBTYahoo
Deletes c:\docume~1\user\locals~1\temp\track.ht
Opens/modifes c:\autoexec.bat
Creates c:\documents and settings\user\start menu\programs\startup\BT Yahoo! TrueSwitch Wizard.lnk
Creates c:\program files\trueswitchbtyahoo\repair.gif
Creates c:\program files\trueswitchbtyahoo\right-border.gif
Creates c:\program files\trueswitchbtyahoo\separator.gif
Creates c:\program files\trueswitchbtyahoo\spacer.gif
Creates c:\program files\trueswitchbtyahoo\thankyoubtyahoo.gif
Creates c:\program files\trueswitchbtyahoo\top-bkgd.gif
Creates c:\program files\trueswitchbtyahoo\trueassistant.dat
Creates c:\program files\trueswitchbtyahoo\trueswitch-logo.gif
Creates c:\program files\trueswitchbtyahoo\TrueWizard.exe
Creates c:\program files\trueswitchbtyahoo\warning.gif
Creates c:\program files\trueswitchbtyahoo\wizard.dat
Creates c:\program files\trueswitchbtyahoo\arrow.gif
Creates c:\program files\trueswitchbtyahoo\blue-dot.gif
Creates c:\program files\trueswitchbtyahoo\btyahoogif.gif
Creates c:\program files\trueswitchbtyahoo\btyahoo-logo.gif
Creates c:\program files\trueswitchbtyahoo\check.gif
Creates c:\program files\trueswitchbtyahoo\checkup.gif
Creates c:\program files\trueswitchbtyahoo\chkbox0.gif
Creates c:\program files\trueswitchbtyahoo\chkbox1.gif
Creates c:\program files\trueswitchbtyahoo\corner-btmleft.gif
Creates c:\program files\trueswitchbtyahoo\corner-btmright.gif
Creates c:\program files\trueswitchbtyahoo\corner-topleft.gif
Creates c:\program files\trueswitchbtyahoo\corner-topright.gif
Creates c:\program files\trueswitchbtyahoo\dot.gif
Creates c:\program files\trueswitchbtyahoo\excl.gif
Creates c:\program files\trueswitchbtyahoo\firstscreen.gif
Creates c:\program files\trueswitchbtyahoo\gray-dot.gif
Creates c:\program files\trueswitchbtyahoo\info.gif
Creates c:\program files\trueswitchbtyahoo\left-border.gif
Creates c:\program files\trueswitchbtyahoo\moreinfo.gif
Creates c:\program files\trueswitchbtyahoo\performcheckup.gif
Creates c:\program files\trueswitchbtyahoo\progress.gif
Creates c:\documents and settings\all users\start menu\programs\trueswitch\BT Yahoo! TrueSwitch Wizard.lnk
Creates c:\documents and settings\all users\desktop\BT Yahoo! TrueSwitch Wizard.lnk
Deletes c:\docume~1\user\locals~1\temp\tempresult.da
Creates c:\documents and settings\user\start menu\programs\startup\TrueAssistant.lnk
Deletes c:\documents and settings\user\start menu\programs\startup\BT Yahoo! TrueSwitch Wizard.lnk
create folder C:\Program Files\TrueSwitch\
Creates c:\program files\trueswitch\TrueSwitch.log
Deletes c:\docume~1\user\locals~1\temp\wizardtrack.dat
Creates c:\program files\trueswitchbtyahoo\trueassistant.xml
Deletes c:\program files\trueswitchbtyahoo\trueassistant.xml
Creates c:\windows\usnsvc.exe
Creates c:\windows\MailSwitch.ocx
Creates c:\windows\TrueProcess.exe
Deletes c:\docume~1\user\locals~1\temp\MSMFC.zip

Website Activity

One or more files with the name TRUEINSTALL.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.

TCP:127.0.0.1:1086 Port:17
Port 80 IP:4.78.168.29
TCP:4.78.168.29:443 Port:21
Remote server connection to secure5 .trueswitch .co
TCP:127.0.0.1:1092 Port:16
TCP:4.78.168.29:443 Port:19
TCP:4.78.168.29:443 Port:19
TCP:4.78.168.29:443 Port:16
TCP:127.0.0.1:1097 Port:16

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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