| Status | Autorun name | Command | Description |
| X | W3KNetwork | rundll32.exe w3knet.dll, dllinitrun | Web3000 adware. Note that rundll32.exe is a legitimate Microsoft file used to launch DLL file types and shouldn't be deleted |
| X | W7.exe Nacional | W7.exe | Added by the AGENT-ODZ TROJAN! |
| Y | W75P2PSERVER | W75P2PS.EXE | Printer utility which is required in order to make the printer work correctly |
| X | w7zip | w7zip.exe | Added by the BANCBAN-QB TROJAN! |
| U | W815DM | W815DM.exe | Enuff Parental Control Software by Akrontech |
| U | w98Eject | w98Eject.exe | Related to USB support for Sigmatel MP3 audio palyer (and others such as SanDisk). It's intent is to "put away" the "disk" before you unplug it from the USB port, ostensibly to avoid "losing" data |
| X | WA6PM_Check | udcwap.exe | Part of the DriveCleaner rogue security software - not recommended, removal instructions here |
| X | WA6PV_Check | udcwap.exe | Part of the DriveCleaner rogue security software - not recommended, removal instructions here |
| X | wa7pcw | wa7pcw.exe | WinAntiVirus Pro 2007 rogue security software - not recommended |
| X | wab.exe | wab.exe | Added by a variant of the SDBOT WORM! |
| U | wait4IP | wait4IP.exe | Packard Bell net2Plug allows you to network PCs anywhere in your house |
| U | wallchgr.exe wstart | Wallchgr.exe | WallChanger - wallpaper changer from Blue Tree Software |
| U | WallMaster | wallmast.exe | WallMaster - "The free and easiest way to master your desktop wallpaper!" |
| X | WallPaper | taskimgr.exe | Added by the BANKER-GX TROJAN! |
| U | WallPaper | WALLPA~1.EXE | Wallpaper Changer - wallpaper manager that can change your background images on every startup |
| U | WallpaperChanger | Wallpaper.exe | A wallpaper changer and manager utility. There is the Freeware version and the Pro version. The freeware version is completely free. The Pro version is 30-day trialware, and after the 30 days some of the more advanced features will be disabled unless you register it |
| U | WallpaperSS | WallpaperSS.exe | Wallpaper Slideshow LT from gPhotoShow.com - "a great utility for displaying your favorite photos as your desktop wallpaper" |
| N | Wanadoo Messenger.exe | Wanadoo Messenger.exe | Wanadoo ISP instant messenger client |
| X | wanman.exe | wanman.exe | Added by the RBOT.HDO WORM! |
| Y | WanMPSvc | WanMPSvc.exe | An AOL component, the Wan miniport (ATW) service. If you delete this and logon, AOL reports a problem with your internet connection, and reinstalling AOL doesn't help |
| X | WAPI | wts**.exe [* = random char] | PurityScan adware |
| X | wapp | Wapp.exe | Added by the BANKER.MTG TROJAN! |
| N | War FTPD Tray Icon | wartray.exe | War-ftpd - FTP server |
| N | war-ftpd.exe | WAR-FTPD.EXE | War FTP Daemon from JGAA's Internet - FTP client |
| X | Wardo | syslaunch.exe | Added by the ADCLICKER.G TROJAN! |
| X | WareOut | WareOut.exe | Wareout rogue spyware and dialer remover - not recommended, removal instructions here |
| N | warez | warez.exe | Warez P2P file-sharing client based upon the open-source Ares Galaxy. No longer available. As peer-to-peer clients are used to distribute large amounts of data between multiple users make sure you have good, up-to-date virus protection and check any downloads |
| X | Warga KompTi | KOMPTI.exe | Added by the PITKOM-A TROJAN! |
| U | Warner | warner.exe | Also known as "CyberWarner". From G-Tek Technologies and pre-installed on some Packard Bell PCs. Protects critical files |
| U | Warnet | warnet.exe | Warnet - system cleanup software |
| U | Warning: do not remove it! | fpplock.exe | Part of Folder Password Expert by ZQS Software Team - "a software program to restrict access to the folders that contain your sensitive data" |
| Y | Warning: do not remove it! (system) | cfpsys.exe | Folder Password Protect - a program that lets you set a password on folders of your choice |
| N | WarReg_PopUp | WarReg_PopUp.exe | Acer warranty registration popup |
| N | WARSVR | war-ftpd.exe | "War FTP Daemon - the original free FTP server for windows" |
| X | was_check | PASmon.exe | Part of the ErrorSafe rogue system error and cleaning utility - not recommended |
| X | was6cw | was6cw.exe | Part of the WinAntiSpyware 2006 rogue spyware remover - not recommended, removal instructions here |
| X | was7cw | was7cw.exe | Part of the WinAntiSpyware 2007 rogue spyware remover - not recommended |
| U | WashAndGo - Cleanup of old Backupfiles | checker.exe | WashAndGo - temp file cleaner |
| U | Washer | washer.exe | Window Washer from Webroot Software. Useful utility that deletes safe to remove files, cookies, browsing history, etc. Available via from Start -> Programs. Disable within the program options - otherwise it is re-enabled in MSCONFIG |
| N | Washerie.exe | washerie.exe | Cookie Washer for Internet Explorer from Webroot Software. Light version of Windows Washer, specific for cleaning the IE cache and cookies. Available via Start -> Programs |
| U | washindex | washidx.exe | Window Washer from Webroot Software. Useful utility that deletes safe to remove files, cookies, browsing history, etc. Available via from Start -> Programs. Disable within the program options - otherwise it is re-enabled in MSCONFIG |
| X | Wast | wast.exe | Grokster ads updater |
| N | Watch | watch.exe | Found to be used by a Trust USB scanner for auto starting the scanning software when the lid is lifted |
| U | Watch | 1200UBWATCH.EXE | Button press monitor for the Mustek 1200 UB Scanner |
| N | Watch Dog Program | watchdog.exe | For Compaq PC's. Associated with Compaq's internet services. Not required if you don't use services provided by them and may not be required even if you do |
| N | Watchdog | Watchdog.exe | Definitely part of the Mustek scanner drivers and software (for 600 III EP Plus and maybe others), launches from the Startup folder in the Start Menu, but not required as they give instructions on removing it on their webpage |
| ? | WatchDog | watchdog.exe | Part of Motorola "Mobile Phone Tools" v3 - in a "Mobiile Phone Tools" sub-directory of Program Files |
| ? | WatchDog | DVDCheck.exe | Related to an Intervideo program. What does it do and is it required in startup? |
| U | WatcherHelper | WaHelper.exe | Sierra Wireless Watcher™ - wireless configuration utility |
| N | WatchWAN | WatchWAN.exe | WatchWAN keeps an accurate account of the data that is flowing between your computer and the Internet at any given moment. This readout is presented in both numerical and graphical format, in real time |
| U | Watson Subscriber for SENS Network Notifications | dwtrig20.exe | Used to launch Microsoft Error Reporting (DW20.exe) - if, for example, there have been an error downloading malware definition updates for Windows Defender - which gives the user the chance to send the error report to Microsoft to improve their software |
| X | waults | waults.exe | Added by the BIFROSE.L BACKDOOR! |
| X | waumgr | waumgr.exe | Added by a variant of the IRCBOT TROJAN! |
| Y | WaveFramer | WaveFramer.exe | Part of SafeSpace (from Artificial Dynamics) which "protects computers from Internet malware infection without the need for signature updates or regular maintenance" |
| N | WaveTop Launcher | WaveTop.exe | WaveTop - "Get push content from TV without an Internet connection" - now possibly a defunct system in the US included as an optional part of WebTV in Win98 |
| N | WaveTop Receiver 1 | N/A | WaveTop - "Get push content from TV without an Internet connection" - now possibly a defunct system in the US included as an optional part of WebTV in Win98 |
| N | WaveTop Receiver 2 | N/A | WaveTop - "Get push content from TV without an Internet connection" - now possibly a defunct system in the US included as an optional part of WebTV in Win98 |
| N | WaveTop Upload Manager | N/A | WaveTop - "Get push content from TV without an Internet connection" - now possibly a defunct system in the US included as an optional part of WebTV in Win98 |
| Y | WavXMgr | WavXDocMgr.exe | Part of Wave Systems Corp. Embassy Trust Suite. "Document Manager uses the hardware security provided by the TPM to provide strong protection for data. Files encrypted by Document Manager cannot be located or viewed by others" |
| U | WAWifiMessage | WiFiMsg.exe | "HP Wireless Assistant is a user application that provides a method for controlling the enablement of individual wireless devices (such as Bluetooth or WLAN devices) and that shows the state of the radios for these wireless devices" |
| X | Wbcmgr | wbcmgr.exe | Added by the SLENFBOT.AW WORM! |
| ? | wben | wben.exe | Appears to be related to Desktop Notifier from Starfield Technologies. What does it do and is it required? |
| N | Wbiff | Wbiff.exe | Wbiff! E-mail checker - automatically checks your e-mail and notifies you if any new e-mail has been received |
| X | wblogon | ubpr01.exe | Added by the AGENT-HFI TROJAN! |
| X | wblogon | algg.exe | Added by the AGENT.AGGI TROJAN! |
| U | Wbsched | Wbsched.exe | Scheduler for the WinBackup backup utility from LI Utilities (now Uniblue Systems Limited) - now discontinued. Required if you have regularly scheduled backup jobs |
| U | wbtray | wbtray.exe | System Tray access to and backup status monitor for the WinBackup 2.0 backup utility from Uniblue Systems Limited - now discontinued |
| U | Wbutton | Wbutton.exe | Turns on and off the integrated WiFi on Acer (and other laptops) |
| X | WbVhxCIDDK | WbVhxCIDDK.exe | Added by the FAKEAV-DST TROJAN! |
| U | WCESCOMM | WCESCOMM.EXE | Connection manager for Microsoft ActiveSync - mobile device synchronization software for Windows XP (and earlier), supporting mobile devices based upon the Windows CE OS (such as Pocket PC, Handheld PC and Windows Mobile). Automatically launches ActiveSync (if enabled) when the mobile device is connected. If disabled it will re-instate the next time ActiveSync runs - hence the reluctant "U" recommendation |
| X | WCESMngr | spoolsb.exe | Added by the AGOBOT-QZ WORM! |
| X | WCESMngr | WCEMNGR.EXE | Added by the AGOBOT-QX WORM! |
| X | WCheckUp | WCheckUp.exe | Barok keylogger and password stealer |
| U | wcmdmgr | wcmdmgrl.exe | Web Driver delivery system for WildTangent on-line games. Periodically checks for updates - can be disabled within the programs control panel. Note that WildTanget's privacy policy used to state that they also collect and share individuals information but this is no longer the case |
| N | wcmdmgr.exe | wcmdmgr.exe | Web Driver delivery system for WildTangent on-line games. Periodically checks for updates - can be disabled within the programs control panel. Note that WildTanget's privacy policy used to state that they also collect and share individuals information but this is no longer the case |
| U | wcmdmgrl | wcmdmgrl.exe | Web Driver delivery system for WildTangent on-line games. Periodically checks for updates - can be disabled within the programs control panel. Note that WildTanget's privacy policy used to state that they also collect and share individuals information but this is no longer the case |
| U | WCOLOREAL | coloreal.exe | Makes colours sharper and brighter, but will only work with coloreal capable monitors |
| X | WCPC | wintsvcc.exe | PurityScan adware |
| X | WCPI | wintsvit.exe | PurityScan adware |
| X | WCPS | Wint**.exe [* = random char] | PurityScan adware |
| X | WCPT | wintsvtr.exe | PurityScan adware |
| X | wcsys | wcsys.exe | Added by the KEYLOG-AP TROJAN! |
| U | WD Backup Monitor | uBBMonitor.exe | WD Backup - customized version of ArcSoft's TotalMedia Backup for Western Digital external drives (see here) |
| U | WD Button Manager | WDBtnMgr.exe | Button manager installed with a western digital external disk drive. Allows you to back up your system with one click |
| U | WD Drive Manager | WDBtnMgrUI.exe | System Tray access to the WD Drive Manager management software for selected external drives in the My Book and My Passport range. Hovering over the icon displays health status (temperature, drive name and letter, RAID status) and if you right-click on it you can manage and configure your drive |
| U | WD Spindown Utility | ExSpinDn.exe | Spindown utility "for use with all Western Digital external hard drives except for the Media Center and the Dual-option Backup drives. It is designed to give greater user control over the spindown of the external drive" |
| U | WD_SRT | WD_SRT.EXE | Western Digital USB disk driver |
| U | Wdc | Wdc.exe | Watchdog surveillance software. Uninstall this software unless you put it there yourself. Located in %Windir%\Wdc |
| U | WDDMStatus | WDDMStatus.exe | WD Drive Manager - part of Western Digital's WD SmartWare management software for selected external drives in the My Book and My Passport range. Allows the user see the drive status, percentage of space used, temperature and the health of the RAID volume (if applicable) |
| X | wdfmgr32.exe | wdfmgr32.exe | Added by the DWNLDR-FVL TROJAN! |
| X | WDInfo | wdinfo.exe | Added by the DLUCA.B TROJAN! |
| X | wdmon | wdmon.exe | Detected as the BUZUS.DVE TROJAN! |
| X | WDNS SYSTEM | nibie.exe | Added by the MYTOB-BY WORM! |
| X | WDNS SYSTEM | skybotx.exe | Added by the MYTOB-BY WORM! |
| X | WDNS SYSTEM | wdns33.exe | Added by the MYTOB-BY WORM! |
| X | WDrvr32SSL | qpws32.exe | Added by the SDBOT.AQO WORM! |
| X | wdskctl | wdskctl.exe | IEPlugin spyware |
| U | WDSmartWare | WDSmartWare.exe | Western Digital's WD SmartWare management software for selected external drives in the My Book and My Passport range |
| X | wdvcnx | rundll32.exe [path to trojan] | Added by the ONLINEGAMES.XEGT TROJAN! Note that rundll32.exe is a legitimate Microsoft file used to launch DLL file types and shouldn't be deleted |
| X | wdwctrl | wdwctrl.exe | Added by the DLUCA.E TROJAN! |