| Status | Autorun name | Command | Description |
| U | Tweak-xp | Tweak-xp.exe | Main program for Tweak-XP - a WinXP tweaking utility |
| U | TweakDUN | tweakdun.exe | Utility to optimize your Internet Browser Software. TweakDUN promotes faster Internet data transfer rates and faster downloads by eliminating fragmentation of data packets |
| U | Tweaki4PU | twksup.exe | "Tweaki puts several Windows utilities into one easy to use program while adding hundreds of additional tweaks not found in other system tweakers" |
| ? | tweakico | tweakico.exe | May be a HP program to control their icons? |
| U | TweakMASTER | TMTray.exe | TweakMASTER Internet Optimizer |
| U | TweakVI | tweakvi.exe | TweakVI from Totalidea Software - "Tweak hundreds of hidden features of Windows Vista, optimize your machine and customize it to your needs" |
| ? | TweakYC | TweakYC.exe | VideoMate TV tuner and capture card related - what does it do and is it required? |
| U | TWebCamera | TWebCamera.exe | Toshiba webcam support |
| X | twhe | wbta.exe | PurityScan adware |
| U | twister | twister.exe | Twister "AntiTrojanVirus" |
| X | Twitter.exe Espanha | Twitter.exe | Added by the BANKER.BBAT TROJAN! |
| N | TwkSCardSrv | SCardS32.Exe | Used with Towitoko SmartCard Readers for card recognition |
| X | twunk | twunk.exe | Added by the SCAR.O TROJAN! |
| X | twunk service | twunk16.exe | Added by the RBOT.BAT WORM! |
| X | Twunk_32exp.exe | Twunk_32exp.exe | Added by the FAKEAV-BDZ TROJAN! |
| X | Twunk_64 | twunk_64.exe | System1060 homepage hi-jacker. Note - this is not a Windows file and is found in a WindowsSystem1060 directory |
| X | TXMouie | keepSafe.exe | Added by the KILLAV.KAX TROJAN! Note - this is not the legitimate KeepSafe from Stardock Corporation which shares the same filename and is normally located in a %ProgramFiles%\Stardock subfolder. This one is found in %System% |
| X | tyack drive | tyack.pif | Added by the RBOT-AMT WORM! |
| X | tymsetvc | osskhbd.exe | Added by the MAILBOT-BW TROJAN! |
| X | type | bat.exe | Added by the ANSKYA-A WORM! |
| U | type32 | type32.exe | Microsoft IntelliType Pro utility (up to version 5.4) - required to support the multimedia keys, programmed keys and key macros on Microsoft's range of keyboards. If this entry is disabled, any programmed keys or actions will not be supported and keys will not function as expected in applications with advanced text services enabled |
| U | TypeRecorderL | TypeRec.exe | TypeRecorder keystroke logger/monitoring program - remove unless you installed it yourself! |
| ? | TypeRegChecker | TypeRegChecker.exe | Part of the Sharpdesk from Sharp Electronics. "A desktop-based, personal document management application that lets users browse, edit, search, compose, process, and forward both scanned and native electronic documents". What does it do and is it required? |
| U | typeteller | typeteller.exe | TypeTeller keystroke logger/monitoring program - remove unless you installed it yourself! |
| N | TypingSatellite | KBOOST.exe | Typing Master 2002 background utility that collects typing errors and builds up customised typing lessons for your needs. Available via Start -> Programs |
| X | TZ Spyware Remover | SpyRem.exe | TZ Spyware Remover spyware remover - not recommended, see here |
| U | U.S.Robotics WLAN Adapter Configuration Utility | USRWLAN.exe | U.S.Robotics LAN Adapter - wireless LAN (WLAN) configuration utility |
| X | UADC_104911963 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, see here. Removal instructions here |
| X | UADC_3240389055 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, removal instructions here |
| X | UADC_3769470239 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, see here. Removal instructions here |
| X | UADC_4242084050 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, removal instructions here |
| X | UADC_599141581 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, removal instructions here |
| X | UADC_815790765 | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, removal instructions here |
| X | UADCcw | UADCcw.exe | AdvancedCleaner rogue security software - not recommended, removal instructions here |
| X | Uate | oocs.exe | PurityScan adware |
| U | Ub4TrayApp | ubtray.exe | System Tray access to UltraBackup backup software from Astase |
| X | ubehu | ubehu.exe | Added by the SDBOT.AUT WORM! |
| U | UberIcon | UberIcon Manager.exe | Uber Icon by Punk Labs. Creates a more customizable atmosphere on your desktop by extending Windows to perform new effects when you launch your icons and folders |
| U | UBSShell | UBSShell.exe | UBS (United Bank of Switzerland) banking software |
| X | ubstcw | ubstcw.exe | Part of the AlfaAntiVirus rogue security software - not recommended |
| N | UC_SMB | ucstart.exe | Part of IBM Update connector on IBM PCs for updating drivers on a new installation. Once you manually run the IBM Update connector program (shortcut) this entry is removed |
| N | UC_Start | ucstartup.exe | IBM Update Connector - old auto updater feature for IBM machines that connects to IBM to see if there are any new drivers, patches, etc |
| ? | UCam_Menu | MUIStartMenu.exe | Part of YouCam from CyberLink - effects software for webcams. The exact purpose of this entry is unknown at present but it unloads from memory once run |
| X | UCmd | fallfour.exe | Added by the SDBOT-AZA WORM! |
| U | UCmore XP - The Search Accelerator | rundll32.exe UCMTSAIE.dll, DllShowTB | UCmore toolbar - search accelerator |
| X | ucookw | ucookw.exe | Part of the ErrClean rogue system error and cleaning utility and other members of this family. See here for more examples |
| U | UCS Clean Temp | CleanTemp.exe | Version 1.5 of CleanTemp - which automatically deletes the contents of the %Temp% folder that is used to store temporary files at Windows startup and uses no memory or processing power |
| N | ucstartup | ucstartup.exe | IBM Update Connector - old auto updater feature for IBM machines that connects to IBM to see if there are any new drivers, patches, etc |
| N | ucstartup.exe | ucstartup.exe | IBM Update Connector - old auto updater feature for IBM machines that connects to IBM to see if there are any new drivers, patches, etc |
| U | UD Agent | UD.EXE | The United Devices Agent can recycle your PC's unused resources and use them to perform valuable scientific and medical research without disturbing your usual computer use - similar to SETI@home but for medical research. Available via Start > Programs |
| X | UDC6_cw | UDC6_cw.exe | Part of the DriveCleaner rogue security software - not recommended, removal instructions here |
| X | UDC6cw | UDC6cw.exe | Part of the DriveCleaner rogue security software - not recommended, removal instructions here |
| X | udinajkv.exe | udinajkv.exe | Added by a premium rate adult material dialer! |
| X | udjudwq | sybqnub.exe | Added by the SILLYFDC-AH WORM! |
| X | UDP Service Control CenteRMS | winudp.exe | Added by the VBPIT-A MALWARE! |
| X | udzok | udzou.exe | Added by the SDBOT-CUS WORM! |
| U | Ueproc32 | UEPROC32.exe | Part of Norton Utilities - most likely associated with the Unerase Wizard in older versions |
| X | UERScw | UERScw.exe | Part of the ErrorSafe rogue system error and cleaning utility - not recommended |
| ? | UFD Monitor9382 | ufdlmon.exe | Part of USB Flashdisk software - what does it do and is it required? |
| ? | UFD Utility9382 | UFDTool.exe | Part of USB Flashdisk software - what does it do and is it required? |
| X | UfQshXkFHeIUkQ | UfQshXkFHeIUkQ.exe | Added by the FAKEAV-DVP TROJAN! |
| Y | UfSeAgnt.exe | UfSeAgnt.exe | Part of Trend Micro Internet Security |
| X | uga6pcw | uga6pcw.exe | Part of the AVSystemCare rogue security software and other members of this family. See here for more examples |
| X | ugac | ugac.exe | Part of the AVSystemCare rogue security software and other members of this family. See here for more examples |
| X | ugcw | ugcw.exe | Part of the AVSystemCare rogue security software and other members of this family. See here for more examples |
| X | ugdccw | UGDCcw.exe | Part of SecurePCCleaner, WinAnonymous and other members of the PCPrivacyTool rogue privacy tool and other members of this family. See here for more examples |
| X | ugescw | ugescw.exe | Part of the ErrClean rogue system error and cleaning utility and other members of this family. See here for more examples |
| ? | ugon | aockstrs.exe | ?? |
| X | uhvjsul.dll | rundll32.exe uhvjsul.dll,mrpmvyf | Added by the BUSKY-G TROJAN! Note that rundll32.exe is a legitimate Microsoft file used to launch DLL file types and shouldn't be deleted. The "uhvjsul.dll" file is found in %System% |
| N | Uidler | Uidler.exe | Uniloc Titlewave Browser used with some shareware |
| X | uiijeg | q3qen9s.exe | Added by the VB-FHC TROJAN! |
| ? | UIUCU | UIUCU.EXE | Universal Device Install Application from Conexant Systems, Inc. What does it do and is it required? |
| N | UIWatcher | UIWatcher.exe | Part of the Ashampoo® UnInstaller series from Ashampoo GmbH & Co. KG - including UnInstaller Platinum 2, UnInstaller 3 and UnInstaller 4. These monitor and record program installations and allows you to remove them completely, so that no trace is left. This is the installion monitor that sits in the System Tray and detects the launch of installation programs |
| U | ujm | nm32.exe | Stranget keystroke logger/monitoring program - remove unless you installed it yourself! Found in %Windir%\fyt |
| U | ukl | wmpusrvc.exe | Ultimate Keylogger surveillance software. Uninstall this software unless you put it there yourself |
| X | UKVideo2 | ukvideo2.exe | Adult content dialler |
| N | Ulead AutoDetector | Monitor.exe | Part of Ulead (now Corel) programs such as Photo Express and VideoStudio - automatically detects the presence of a digital camera or memory card and launches the program that supports it |
| N | Ulead AutoDetector v2 | monitor.exe | Part of Ulead (now Corel) programs such as Photo Express and VideoStudio - automatically detects the presence of a digital camera or memory card and launches the program that supports it |
| N | Ulead Calendar Checker | CalCheck.exe | Ulead Photo Express 6 (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Memory Card Detector | Monitor.exe | Part of Ulead (now Corel) programs such as Photo Express and VideoStudio - automatically detects the presence of a memory card and launches the program that supports it |
| N | Ulead Photo Express 3.0 SE Calendar Checker | CalCheck.exe | Ulead Photo Express 3.0 SE (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express 4.0 Calendar Checker | calcheck.exe | Ulead Photo Express 4.0 (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express 4.0 SE Calendar Checker | CalCheck.exe | Ulead Photo Express 4.0 SE (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express Calendar Checker | calcheck.exe | Ulead Photo Express 5 SE and Ulead Photo Express My Scrapbook 2.0 (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express Calendar Checker | CalCheck.exe | Ulead Photo Express 4.0 and Ulead Photo Express 3.0 (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express Calendar Checker For My Custom Edition | CalCheck.exe | Ulead Photo Express 4.0 My Custom Edition (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| N | Ulead Photo Express SE Calendar Checker | CalCheck.exe | Ulead Photo Express 3.0 SE (now Corel) includes the option to create multiple Weekly/Monthly/Yearly calendars to use as your wallpaper and this entry automatically replaces them at the specified intervals. Not required - change them manually |
| X | Ultimate Cleaner | UltimateCleaner.exe | Ultimate Cleaner rogue security software - not recommended, removal instructions here |
| X | Ultimate Defender | UltimateDefender.exe | Ultimate Defender rogue security software - not recommended, removal instructions here |
| X | Ultimate Fixer | UltimateFixer.exe | UltimateFixer rogue system error and cleaning utility - not recommended |
| U | Ultimate Popup Killer | Popupkiller.exe | Ultimate Popup Killer - pop-up killer |
| X | Ultimate System Guard | MainFAVProj.exe | Ultimate System Guard rogue security software - not recommended, removal instructions here |
| X | UltimateBuddy | UltimateBuddy.exe | UltimateBuddy - installs malware, or is bundled with malware |
| X | UltimateServices | ultsvcs.exe | Added by the AGENT-LGT TROJAN! |
| N | UltimateZip Quick Start | uzqkst.exe | UltimateZip - file compression utility |
| X | Ultra Edit v5.1 | ultraedit.exe | Added by the SDBOT-RK WORM! |
| N | Ultra Hal Assistant 4.5 Startup | HalAsst.exe | Zabaware Ultra Hal Assistant - artificial intelligence conversation simulator. It is capable of being your digital secretary and companion |
| ? | UltraDVDMon | DVDMon.exe | UltraDVD DVD player software - is it required? |
| X | UltraEdit | uledit.exe | Added by the SDBOT-TO WORM! |
| X | Ulubione | sys[4 random char].exe | Ulubione adware |