| N | DigiGuide | CLIENT.EXE | TV guide and reminder |
| N | DigiGuide | client01.exe | TV guide and reminder |
| N | Digital Dashboard | devgulp.exe | For Compaq PC's. Loads Digital Dashboard options |
| N | Digital Line Detect | DLG.exe | Detects whether your are plugged into a digital telephone line and displays the information graphically. Installed by Dell (and maybe others) and is included with all Connexant V.92 and Broadcom modems |
| N | Digital River eBot | downlo~1.exe | Digital River Systems EBOT for downloading software from their site. In some cases, if you purchase software online for a download from a software manufacturer, you will be sent to this online company's site for the download after the purchase is complete. Read more here |
| X | DigitalNames | DigitalNamesStart.exe | DigitalNames spyware variant |
| N | DigitalWizard | ISWizard.exe | InstallShield's DigitalWizard - free, complete Digital Content Management Solution that makes it easy to experience digital content |
| N | DigitalWizard Monitor | dwMon.exe | InstallShield's DigitalWizard - free, complete Digital Content Management Solution that makes it easy to experience digital content |
| N | DIGStream | digstream.exe | DIGStream Cache Manager - part of ESPN Motion and Disney Motion that periodically check for new videos and indication they're available in the System Tray. Starting ESPN Motion/Disney Motion starts digstream automatically |
| U | Dimension | Dimension.exe | Dimension - a program which lets you customize MSN messenger such as adding animated and coloured nicknames, personal toast creator, war tools (login flooder), and allows viewing and interacting with the raw MSN protocol |
| U | Dimension4 | d4.exe | Dimension 4 - network time synchronization freeware - starts-up, adjusts the system clock, then shuts down |
| X | Dino3 | dino3.exe | Related to Jurassic Park III and enables a dinosaur to walk across the screen. Also generates adverts and classified as adware as a result |
| X | Dir1 | caKe | Added by the CAKE WORM! |
| X | Direct settings | sdchost.exe | Added by the DAEMONI-I TROJAN! |
| U | Direct Update | DUControl.exe | DirectUpdate dynamic DNS updater |
| X | Direct X Direct3D | dxd3d.exe | Added by a variant of the SDBOT WORM! |
| X | Direct X Opengl | dxopengl.exe | Added by a variant of the RBOT-CJ WORM! |
| N | DirectCD | DirectCD.exe | DirectCD primarily allows you to drag and drop files onto a suitably formatted CD-RW disc. Unless you use this on a frequent basis it isn't required and is available via Start -> Programs. Start the program before inserting a DirectCD formatted CD-RW in the drive. A re-boot is recommended if you close Adaptec DirectCD before re-opening it again later |
| X | directs.exe | directs.exe | Added by the BEAGLE.O or BEAGLE.R or BEAGLE.S or BEAGLE.T WORMS! |
| U | DIRECTVDSL | Directvdsl.exe | Starts DirectTV DSL modem at boot up. Can also be started manually |
| X | DirectX | ddhelp32.exe | Added by the BIONET.318 TROJAN! Note - not the DirectX helper which is ddhelp.exe |
| X | directx | Directx.exe | Added by the SDBOT.D TROJAN! |
| X | directx | Sqlexploit.exe | Added by the SDBOT.D TROJAN! |
| X | DirectX | DirectX.exe | Added by the BLAXE or LOGPOLE WORMS! |
| X | directx | NTCmd.exe | Added by the SDBOT.D TROJAN! |
| X | directx | PipeCmd.exe | Added by the SDBOT.D TROJAN! |
| X | DirectX For Microsoft Windows | dtxservice.exe | Added by the PROGENT TROJAN! |
| X | DirectX for Microsoft Windows | Fservice.exe | Added by the PRORAT TROJAN! |
| X | DirectX for Microsoft Windows | Sservice.exe | Added by the PRORAT TROJAN! |
| X | DirectX Video Driver | dxterm5.exe | Added by the WILAB-A TROJAN! |
| X | DirectX64 | DirectXset.exe | Added by the BROWNEY.A WORM! |
| U | Dirkey | Dirkey.exe | Dirkey - small utility that allows you to bookmark up to 9 folders by using the Ctrl+Alt+1..9 shortcut keys in an Open/Save File dialog or in Windows Explorer. After this the Ctrl+1..9 shortcut keys can be used in the same or another window to go to any of the 9 bookmarked folders |
| ? | Disable EHCI | nousb20.exe | ?? |
| N | Disc Detector | CtNotify.exe | For Creative sound cards. Detects when you insert a CD, DVD, etc |
| ? | disc detector | qnetquestnotifty.exe | ?? |
| ? | discoveg | discoveg.exe | ?? |
| N | DiscoverDeskshop | Deskshop.exe | Discover Deskshop - single use "virtual" credit card |
| X | Disk Master | [trojan name] | Added by the DISTER TROJAN! - a spam relayer |
| N | DiskeeperSystray | DkIcon.exe | DisKeeper defragmentation software - can be started manually |
| X | diskinf | diskinf.exe | Added by the CRYPTER.A TROJAN! |
| ? | DISKMON.EXE | DISKMON.EXE | ?? |
| N | Disknag | disknag.exe | Dell program that reminds you to make your backup diskettes |
| X | Diskstart | Code.exe | Adult content dialler |
| X | Diskstart | cat.exe | MS-Connect dialler |
| X | Diskstart | hit.exe | Adult content dialler |
| X | Diskstart | Snt.exe | Adult content dialler |
| U | Disk_Monitor | Disk_Monitor.exe | Multi-media, Smartmedia, Compact Flash card reader for reading digital camera cards. Device is recognised as internal USB disk drive. Necessary if camera cards are to be recognised as soon as they are inserted into the reader |
| X | Display Drivers | cssrs.exe | Added by the AGOBOT.FX WORM! |
| N | Display Settings | hptasks.exe | Allows for the adjustment of the display for LCD screen, CRT Monitor and TV output on HP computers |
| N | DisplayTrayIcon | TrayIcon.exe | System Tray access to display properties for ABIT graphics cards. Unless you change your desktop resolution, etc regularily use Control Panel -> Display |
| N | Distiller Assistant 3.01 | DISTASST.EXE | From Adobe. Creates PDF universal files for Acrobat Reader. Available via Start -> Programs |
| X | Distributed File System | Dfsvc.exe | Added by the MYFIP.A or MYFIP.K WORMS! |
| X | Distributed File System | kernel32dll.exe | Added by the MYFIP-C or MYFIP.K WORMS! |
| U | distributed.net client | DNETC.EXE | Dsitributed computing projects client from Distributed.net where numerous computers are used to share a projects workload - similar to SETI@Home and Folding@Home. Also prone to being distributed by viruses |
| Y | Dit | dit.exe | "Drive Icon and Label Utility" - assigns drive icons and names to flash memory cards. Required, otherwise the drives aren't found |
| N | DiTask.exe | DiTask.exe | Associated with an Eicon Networks ISDN or ADSL modem. System Tray icon which shows you the status of your lines (free, occupied with incoming or outgoing call). Available via Start -> Programs |
| ? | Divamon.exe | Divamon.exe | Associated with an Eicon Networks Diva ISDN or ADSL modem - what does it do and is it required? |
| X | DivX MediaPlayer 7.0 | Dr.DivX.exe | Added by the ALADINZ.G TROJAN! |
| X | DivX Player | DivXPlayer.exe | Added by a variant of the RBOT WORM! |
| X | DivX Updater | DivX.Exe | Added by the NALDEM TROJAN or MASTAK VIRUS! |
| X | Divx4 codec | devldr32.exe | Added by an unidentfied VIRUS! Note - this is not the legitimate Creative Labs devldr32.exe file |
| N | DJREGFIX | regedit /s c:hpdjregfix.reg | DJRegFix showed up first in WinME as a "clever" way to ensure that all Hewlett-Packard DeskJet printers actually worked with WinME - since most were having major problems. This "utility" adds the functionality and compatibility HP forgot to add in its WinME drivers |
| Y | DkService | DkService.exe | From Executive Software's Diskeeper defragmenting utility - a replacement for Windows Disk Defragmenter. It's recommended to leave this enabled, otherwise you could have problems starting it manually. |
| X | DKTime | dktime.exe | Added by the LUNII TROJAN! |
| X | Dkware lptt01 | dkware.exe | Variant of the RapidBlaster parasite (in a "DonkeySoft" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here |
| X | Dkware ml097e | dkware.exe | Variant of the RapidBlaster parasite (in a "DonkeySoft" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here |
| ? | dkzzixm | dkzzixm.exe | ?? |
| Y | dla | tfswctrl.exe | Drive letter access to a UDF packet writer for CD-RW - from HP, Veritas an others. Similar to Roxio's DirectCD and does the same thing. From HP - "This is a needed file as it controles the readability of the Combo drives. Without this file loading the end user will be able to burn CD's but wont be able to read them. The drive itself will be able to read store bought master Cd's without the file but not burnt ones" |
| N | DlaTray | Dlatray.exe | System Tray access to DLA - Drive letter access to HP's and Veritas' version of DirectCD. Does the same thing as DirectCD. From HP - "This is a needed file as it controles the readability of the Combo drives. Without this file loading the end user will be able to burn CD's but wont be able to read them. The drive itself will be able to read store bought master Cd's without the file but not burnt ones" |
| X | dlder | dlder.exe | Advertising spyware. Considered to be one oft the worst - even creating a fake "explorer.exe" file. Can be installed via versions of "Grokster", "Lime Wire" and "KaZaA" amongst other file-sharing utilities (see here). Reported in the past as a virus |
| X | DlDir1 | caKe | Added by the CAKE WORM! |
| ? | DLForcerExe | DLForcerEXE.exe | ?? |
| N | DLF_00000B00 | Vcdlf.exe | Known to cause problems with "Out of memory" errors (see here). Otherwise, it's purpose is unknown |
| N | DLG | DLGCHBW.exe | Backweb part of Data LifeGuard - diagnostic tools for Western Digital's series of hard drives. Automatically detects an internet connection and downloads any available updates |
| N | DLHelperEXE | WATCH.exe | Download helper distributed with some software that allows the software installation to redirect download locations. Not required once the installation is finished |
| X | DLHelperEXE.exe | N/A | Downloader for Microgaming/Casino software - stealth installed |
| X | Dlite | dllmanager.exe | Added by the WOOTBOT.DN WORM! |
| X | DLL Service Manager | [path to worm] | Added by the RPCBOT.F TROJAN! |
| X | DLL32 | dllmem32.exe | Added by the KWBOT.E WORM! |
| X | DllCacherv2 | dllcachev2.exe | Added by the LATEDA TROJAN! |
| X | dlldmt | dlldmt.exe | Added by a variant of the CRYPTER.C TROJAN! |
| X | dllhelp | dllhelp.exe | Added by the STARTPAGE.DQ hijacker |
| X | dllhelp | dllhlp.exe | Added by the Downloader-HI TROJAN! |
| X | dllhostxp.exe | dllhostxp.exe | Browser hijacker and adware downloader |
| X | dllreg | dllreg.exe | Added by the CRYPTER.A TROJAN! |
| X | DLLService32 | dllsvc32.exe | Added by the AGOBOT.VX WORM! |
| ? | DLT | dlt.exe | ?? |
| X | dluca | dluca.exe | Adult content dialler - see here |
| X | dluca | dluca.exe | Added by the DLUCA.C TROJAN! |
| X | dluxde | dluxde.exe | All-In-One-Telcom (adult content dialler) variant |
| X | Dluxjp | cnfrm.exe | Added by the DLUCA.D TROJAN! |
| X | DM mgr | dm_mgr.exe | Added by the JITTAR TROJAN! |