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Well, it will not hurt to run CWShredder but ctfmon.exe is a legitimate Windows executable.
http://www.fileinspect.com/fileinfo/ctfmon-exe/http://www.bleepingcomputer.com/startups/ctfmon.exe-1121.htmlhttp://support.microsoft.com/kb/282599 Overview of running tasks : smss.exe
System task
Session Manager Subsystem
winlogon.exe
System task
Microsoft Windows Logon Process
services.exe
System task
Windows Service Controller
lsass.exe
System task
Local Security Authority Service
Ati2evxx.exe
Driver
ATI Display Adapter Assistant
svchost.exe
System task
Microsoft Service Host Process
svchost.exe
System task
Microsoft Service Host Process
aswUpdSv.exe
Virusscan
Avast Anti-Virus Component
ashServ.exe
Virusscan
Avast
spoolsv.exe
System task
Microsoft Printer Spooler Service
ReflectService.exe
Unknown task (Related to the Reflect disk imaging and backup software)
Unknown task (
http://www.bleepingcomputer.com/startups/ReflectService.exe-24598.html )
SbieSvc.exe
Backgroundtask
Sandboxie Service
fxssvc.exe
Application
Microsoft Fax
ashMaiSv.exe
Virusscan
Avast Anti-Virus Component
ashWebSv.exe
Virusscan
avast! Web Scanner
Ati2evxx.exe
Driver
ATI Display Adapter Assistant
Explorer.EXE
System task
Microsoft Windows Explorer
googletalk.exe
Backgroundtask
Google Talk Instant Messenger
ashDisp.exe
Virusscan
Avast AntiVirus
ctfmon.exe
System task
Alternative User Input Services
SbieCtrl.exe
Security software
Control
boostspeed.exe
Backgroundtask
boostspeed.exe
ymsgr_tray.exe
Backgroundtask
Yahoo! Messenger Server Traybar
HijackThis.exe
Application
Merijn Hijackthis
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