| Status | Autorun name | Command | Description |
| X | L0aders | faxneti.exe | Added by a variant of the SDBOT TROJAN! |
| X | l44sys** | freecell | Added by the VBS.LIDO WORM - where ** is a number between 1 and 12 |
| X | l44sys** | iexplore | Added by the VBS.LIDO WORM - where ** is a number between 65 and 76 |
| X | l44sys** | winmine | Added by the VBS.LIDO WORM - where ** is a number between 33 and 44 |
| X | L4r1$$a | L4r1$$a.pif | Added by the ASSIRAL-C WORM! |
| U | Lachesis | razerhid.exe | Razer Lachesis gaming mouse driver - required if you use the additional features and programmed keys/macros |
| U | LaCie Backup | LaCieBackup.exe | LaCie '1-Click' backup software for their range of mobile hard drives |
| U | laim | aimlite.exe | "AIM Lite is a reference application for testing some new client technology developed here at AOL®, with the goal of being a simple, fun, light IM client" |
| X | laltin | L90112201.Stub.exe | Delfin Media Viewer adware related |
| X | lameshit | [path to trojan] | Added by the LOWZONE-H TROJAN! |
| X | LAN | dhcp.exe | Added by the RBOT-GYI WORM! |
| X | Lan | Lan.exe | Added by the DELF-IT TROJAN! |
| X | LAN Driver | landriver32.exe | Added by the RBOT.BT WORM! |
| X | lanbrup | lanbrup.exe | SafeSurfing adware |
| N | Lancement rapide d'Adobe Reader | reader_sl.exe | Speeds up the time it takes to load the Adobe Reader PDF document reader. "The Speed Launcher quickly opens and closes all of the files that Acrobat or Adobe Reader will use when the application starts. Opening and closing the files allows your virus protection software to check these programs and add them to its list of safe files" - see here. Not required for Adobe Reader to function properly. French version |
| U | LANDeskInventoryClient | LDIScn32.exe | LANDesk® Management Suite software component |
| N | Language | Language.exe | Part of CyberLink's PowerDVD Blu-ray and DVD player. Detects the Windows language version at startup and changes some of the language settings in PowerDVD accordingly. Although it unloads after running, unless the PC has multi-national users then leave it disabled |
| N | Language Application | Language.exe | Part of CyberLink's PowerDVD Blu-ray and DVD player. Detects the Windows language version at startup and changes some of the language settings in PowerDVD accordingly. Although it unloads after running, unless the PC has multi-national users then leave it disabled |
| U | LanguageMonitor | Oplmsb01.exe | OKI Printer language support monitor |
| N | LanguageShortcut | Language.exe | Part of CyberLink's PowerDVD Blu-ray and DVD player prior to version 8. Detects the Windows language version at startup and changes some of the language settings in PowerDVD accordingly. Although it unloads after running, unless the PC has multi-national users then leave it disabled |
| X | LanGuard | languard.exe | Adware downloader - also detected as the SECONDT-C TROJAN! |
| X | LanGuard | [path to trojan] | Added by the DLOADER-VO TROJAN! |
| X | lanmanwrk.exe | lanmanwrk.exe | Added by the AGENT.AIA TROJAN! |
| U | LANMessage Pro | LANMES~1.exe | LANMessage Pro - "a powerful tool for communicating with other people on your office/home network" |
| U | LanSpeed2 | LanSpeed2.exe | Monitors any traffic that is using a LAN adapter (Ethernet or Token ring network card) |
| ? | LantronixRedirector | red32.exe | Related to either the Secure Com Port Redirector or Com Port Redirector from Latronix. What does it do and is it required? |
| ? | LanzarL2007 | [path] setup.exe | ?? |
| U | LaoKey | LaoKey.exe | Lao Script for Windows (LSWin) is an extension to the Windows operating system to allow Lao language to be used with many different Windows-based applications |
| U | Laplink PDASync 3.0 - LtNts4 | NtsAgnt.exe | Laplink PDASync for (IBM) Lotus Notes 4 - PDA synchronisation utility |
| U | Laplink PDASync 3.1 - PocketPC | AUTODE~1.EXE | Laplink PDASync for Windows Mobile Pocket PC - PDA synchronisation utility |
| U | Laplink PDASync 3.1 - ScheduleSync | ScheduleSync.exe | Laplink PDASync for ScheduleSync - PDA synchronisation utility |
| U | LapLink scheduler | Llsched.exe | Utility that automatically performs file transfers as unattended background operations |
| X | Laptop Access | Sage.exe | Added by the SDBOT-NB WORM! |
| X | Lar | Llass.exe | Added by the INOR-A TROJAN! |
| X | lar | [trojan filename] | Added by the ROXY.C TROJAN! |
| X | LARISSA ANTI VIRUS | LARISSA_ANTI_VIRUS.exe | Added by the KLASSIR TROJAN! |
| ? | Lasb | ewat.exe | ?? |
| X | LaserJet | spoolvs.exe | Added by the DLOADER.PFR TROJAN! This is not the file of the same name from older versions of MS Office - see the link for the location |
| X | LasErma | Ermasys32.exe | Added by the LERMA-A WORM! |
| X | LAsIAf32 | RePEAtLD.exe | Added by the REPEATLD WORM! |
| X | lasse | lasse.exe | Added by the NTOS TROJAN! |
| Y | LASTinst | N/A | For Gilat Communications internet satellite systems. Gilat rescue (Satellite system restore). Required if you have this system. Can cause a BSOD (blue screen of death) if left out |
| ? | Later | later.exe | ?? |
| U | LaunApp | LaunApp.exe | Part of Acer Launch Manager - programmable keys on such laptops as the TravelMate 610 |
| ? | Launcg | launcg.exe | ?? |
| U | Launch Ai Booster | OverClk.exe | Included with some ASUS motherboards (such as the Maximus Extreme & Striker II Extreme), "AI Booster allows you to overclock the CPU speed in Windows without the hassle of booting the BIOS." Part of AI Suite |
| N | Launch Application | LaunchApplication.exe | System Tray access to Nokia PC Suite - which "is a free PC software product that allows you to connect your Nokia device to a PC and access mobile content as if the device and the PC were one." This allows you (amongst other options) to backup your devices contents to your PC, use it to connect to the internet, transfer files and synchronize contacts, etc. Available from the start menu |
| N | Launch Context 5.0 | Launch.exe | Context - electronic dictionary |
| U | Launch K9 | K9.exe | K9 by Robert Keir - "an email filtering application that works in conjunction with your regular POP3 email program and automatically classifies incoming emails as spam (junk email) or non-spam without the need for maintaining dozens of rules or constant updates to be downloaded. It uses intelligent statistical analysis that can result in extremely high accuracy over time" |
| Y | Launch LCDMon | LCDMon.exe | Part of the GamePanel Software for the Logitech G-Series of gaming keyboards. This the LCD control panel driver on models where it's included such as the G15 and G19 |
| U | Launch LGDCore | LGDCore.exe | Part of the GamePanel Software for the Logitech G-Series of gaming keyboards. This is the keyboard driver and if it's disabled you will lose access to special features and programmed keys |
| ? | Launch LgDeviceAgent | LgDevAgt.exe | Part of the GamePanel Software for the Logitech G-Series of gaming keyboards. What does it do and is it required? |
| U | Launch Manager | QtZgAcer.EXE | Acer Launch Manager - on Acer laptops it supports the dedicated multimedia buttons and allows users to configure their function. If the optional WLAN module and Bluetooth radio are installed the associated buttons can set their operating state |
| X | Launch Norton AntiVirus 2000 | jorgf.exe | Added by the RBOT-AUI WORM! |
| U | Launch PC Probe II | Probe2.exe | Included with some ASUS motherboards (such as the Maximus Extreme & Striker II Extreme), PC Probe II monitors, detects and alerts you if there are any problems with fan rotation, CPU temperature, system volatages and others |
| N | Launch YahooPOPs! at Windows startup | YAHOOPOPS.EXE | YahooPOPs - enables free POP3/SMTP access to Yahoo! Mail through a service on localhost that emulates the web interface. Available via Start -> Programs |
| U | LaunchAp | LaunchAp.exe | Programmable keys on Acer, Fujitsu and other laptops |
| Y | LaunchApp | Alaunch | Part of Acer eRecovery - "a powerful utility that does away with the need for recovery disks provided by the manufacturer, and also acts as a versatile standalone backup and recovery manager". This entry isn't normally running but once eRecovery starts it's used to re-install the software included with the system |
| N | LaunchApplication | LaunchApplication.exe | System Tray access to Nokia PC Suite - which "is a free PC software product that allows you to connect your Nokia device to a PC and access mobile content as if the device and the PC were one." This allows you (amongst other options) to backup your devices contents to your PC, use it to connect to the internet, transfer files and synchronize contacts, etc. Available from the start menu |
| U | Launchboard | lnchbrd.exe | "LaunchBoard software from Darwin turns your keyboard into a remote control for the Internet and your computer! With LaunchBoard 2.0, you can customize up to 38 keys on your PC keyboard to instantly launch Web Sites, start applications, perform custom macros, handle Windows shortcuts, store passwords, and perform loads of other customizable functions" |
| X | Launcher | launcher.exe | Spyware component related to DownloadWare and found in %ProgramFiles%\KFH |
| N | Launcher | relaunch.exe | Audio Applications Launcher for the Philips Rythmic Edge soundcard (the Philips Rhythmic Edge is the same as the Thunderbird PCI soundcard - see TBtray). Available via Start -> Programs |
| U | Launcher | launcher.exe | PC Angel recovery program from SoftThinks. Located in %Windir%\SMINST |
| U | Launcher | Launcher.exe | SpeedUpMyPC 2009 from Uniblue - which "lets you monitor and control all your PC resources with easy, one click instructions. System settings, internet usage, disk clutter, RAM and CPU are all automatically scanned, cleaned and optimized for peak performance." Located in %ProgramFiles%\Uniblue\SpeedUpMyPC |
| ? | LaunchList | LaunchList2.exe | Part of Pinnacle Studio video editing suite. What does it do and is it required? |
| U | LaunchU3 | LaunchU3.exe | U3 LaunchPad system software for U3 smart flash drives. Provides password protected access to applications and personal settings installed and saved on a U3 enabled drive - allowing the user to effectively treat any Windows Vista/XP/2000 PC as though it's their own PC |
| X | Lavasoft Ad-Aware | Ad-Aware.exe | Added by the RBOT-SO WORM! Note - this is not the popular Ad-Aware spware/adware removal tool and is located in %System% |
| U | Lavasoft Adwatch | Ad-watch.exe | Part of Lavasoft Ad-aware Plus - realtime spyware-monitor watching your memory and registry for spyware that tries to install or change your system |
| X | Layersecurity Servicemonitor | LSSMON.EXE | Added by the BANKER.ZAQ TROJAN! |
| X | layersldm | hostplsrvc.exe | Added by a variant of the SDBOT WORM! |
| X | Laz | Kernn.exe | Added by the BANCOS-LN WORM! |
| X | LBTWiz.exe | LBTWiz.exe | Added by the SDBOT-DHY WORM! Note - this is not the legitimate Logitech file which is normally located in %Program Files%\Logitech\SetPoint or %Program Files%\SetPoint. This one is located in %Windir% |
| X | Lcass | Lcass.exe | Added by the SILLYFDC-W WORM! |
| U | LCD Smartie | LCDSmartie.exe | "LCD Smartie is software for Windows that you can use to show lots of different types of information on your LCD/VFD." Typically used by the PC modding community to display statistics such as CPU temp, fan/cooler speed, etc on an LCD display |
| U | LCDC | LCDC.exe | LCDC is an application that displays various information on your LCD or VFD screen. The number of things that LCDC can do is expandable by Plugins |
| Y | LCDMon | LCDMon.exe | Part of the GamePanel Software for the Logitech G-Series of gaming keyboards. This the LCD control panel driver on models where it's included such as the G15 and G19 |
| Y | LCDPlayer | LCDPlyer.exe | Related to SuperAdBlocker |
| N | lcfep | lcfep.exe | Tivoli 'TME' System Tray icon - "'lcfep' is the program that displays statistics about the Endpoint. Apparently stopping/removing this process has no impact on the Endpoint itself which will continue to function normally" |
| ? | LCIDConfig | lcidchng.exe | ?? |
| U | LClock | lclock.exe | LClock is a program that makes the Windows' clock look like a Windows Longhorn Clock |
| X | lcvga | lcvga.exe | Added by the HOSTOL-A TROJAN! |
| X | ld | ld.exe | CoolWebSearch Tooncomics parasite affiliate variant - redirects to fastwebfinder.com |
| N | LDM | backweb-8876480.exe | Installed with older versions of the software for Logitech products. Automatically checks for software upgrades and new products, services and special offers from Logitech |
| N | LDM | LogitechDesktopMessenger.exe | Installed with the software for Logitech products. Automatically checks for software upgrades and new products, services and special offers from Logitech |
| X | ldriver | ldriver.exe | Added by the CHORUS-A TROJAN! Searchforfree browser hijacker |
| U | LED TRAY | LEDTRAY.EXE | Installs a USB compact flash card reader or drive on start-up. The device is distributed by Microtech and is made by a company called SnapShot. Required if you want the reader to work |
| U | ledpointer | CNYHKey.exe | Chicony Electronics Multimedia Keyboard Hotkey Driver |
| N | LeechGet | LeechGet.exe | LeechGet download manager |
| X | leeman | leeman.exe | Added by the COSIAM-D TROJAN! |
| U | LELA | Linksys EasyLink Advisor.exe | System Tray access to Linksys EaasyLink Advisor - which "is designed to set up your home network. LELA can locate computers, routers, storage, cameras and printers as well as other devices connected to your network". Included with their newest routers |
| X | LEMSRV | lemsrv.exe | Added by the IRCBOT-TC TROJAN! |
| U | LENOVO.TPFNF6R | TPFNF6R.exe | Supports the Fn+F6 hotkey combination on IBM/Lenovo Thinkpad notebooks which mutes the microphone |
| N | LenovoOobeOffers | LenovoOobeOffers.exe | Displays product upgrades/offers from Lenovo on the first run of a new notebook/desktop. "Oobe" refers to the "Out of box experience" |
| X | LetsRock | [path to trojan] | Added by the RANKY.Y BACKDOOR! |
| X | LetsSearch | LetsSearch.exe | BrowserAid/BrowserPal foistware |
| X | Letum | [path to worm] | Added by the LETUM.A WORM! |
| U | Lexmark 1200 Series | lxczbmgr.exe | "Lexmark Scan & Copy Control Program" for the Lexmark 1200 all-in-one multifunction printer/copier/scanner. Button manager for features such as scan, scan to E-mail, copy, etc |
| U | Lexmark 2200 Series | lxbvbmgr.exe | "Lexmark Scan & Copy Control Program" for the Lexmark 2200 all-in-one multifunction printer/copier/scanner. Button manager for features such as scan, scan to E-mail, copy, etc |
| U | Lexmark 3100 Series | lxbrbmgr.exe | "Lexmark Scan & Copy Control Program" for the Lexmark 3100 all-in-one multifunction printer/copier/scanner. Button manager for features such as scan, scan to E-mail, copy, etc |
| U | Lexmark 4200 Series | lxbmbmgr.exe | "Lexmark Scan & Copy Control Program" for the Lexmark 4200 all-in-one multifunction printer/copier/scanner. Button manager for features such as scan, scan to E-mail, copy, etc |