Prevx Research Division
LSSASS.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove LSSASS.EXE.
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Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Worm
- Malicious Software
File Behavior
LSSASS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Registers a Dynamic Link Library File
- Injects code into other processes
- This Process is a file infector which modifies program files to include a copy of the infection
- Can Send email using SMTP protocols
- This Process sends MIME Email
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- The Process is polymorphic and can change its structure
LSSASS.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Changes to the file command map within the registry
- Added as a Registry Key (RUNONCE) to auto start Programs on system start up
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Copied to multiple locations on the system
- Deleted as a process from disk
Country Of Origin
The filename LSSASS.EXE was first seen on Jun 20 2007 in the following geographical regions of the Webroot community:
- Spain on Jun 20 2007
- Canada on Jun 20 2007
- on Jun 28 2007
- Uruguay on May 5 2008
- Philippines on Mar 16 2009
- The United Kingdom on Mar 14 2011
File Name Aliases
LSSASS.EXE can also use the following file names:
- SCREENSHOTS.EXE
- ONENOTE NOTEBOOKS.EXE
- RANONLINE.EXE
- CONFIGS.EXE
- MODELWORKS.EXE
- WYSIWYG WEB BUILDER.EXE
- BEARSHARE.EXE
- DATABASE.EXE
- CELEBRITYDEATHMATCH.EXE
- MY WEB SITES.EXE
- NFS UNDERCOVER.EXE
- ADS.EXE
- BACKUPS.EXE
- LOLOY.EXE
- MSOFFICE.EXE
- ELTON.EXE
- SAVEGAMES.EXE
- IMAGES.EXE
- ONENOTE 2007 GUIDE.EXE
- CURRENTDB.EXE
- FRONTPAGE.EXE
- INF.EXE
- OFFICE11.EXE
- MSSHARED.EXE
- LIBRARY.EXE
- MPDATA.EXE
- ERRLOG.EXE
- GTA SAN ANDREAS USER FILES.EXE
- USER TRACKS.EXE
- ARCHIVE.EXE
- ORIGINALDB.EXE
- MY MUSIC.EXE
- FILES.EXE
- OWC11.EXE
- PROFILES.EXE
- WINDOWS.EXE
- PERSONAL NOTEBOOK.EXE
- GALLERY.EXE
- KARNAL.EXE
- OJT OF ERAT DONT ERASE IT.EXE
- ACTIVISION.EXE
- WORKINGDB.EXE
- PLAY.EXE
- MY PICTURES.EXE
- COMMON.EXE
- SETTINGS.EXE
- SCREEN.EXE
- SHREK 2.EXE
- SAVE.EXE
- JAVA.EXE
- BACKUP.EXE
- MY RECEIVED FILES.EXE
- MY PLAYLISTS.EXE
- GTA VICE CITY USER FILES.EXE
- WORK NOTEBOOK.EXE
- CACHE.EXE
- MY VIDEOS.EXE
- JUN 30 2009.EXE
- RDLBPLBP170.EXE
- MAR 31 2009.EXE
- CX3700_CX4100_4700_RX530_650_ESCAN_30U.EXE
- LIB.EXE
- MEYANG.EXE
- DEC 26 2008.EXE
- DOWNLOADS.EXE
- GRAND CHASE PH.EXE
- GAMEGUARD.EXE
- MODEL.EXE
- MOTION.EXE
- MUSIC.EXE
- RESSET.EXE
- SOUND.EXE
- ASPNETSTATE.EXE
- SERVICE.EXE
- ALGS.EXE
- TCPSRVC.EXE
- IIMAPI.EXE
- VIDEOS.EXE
- HIDDENFOLDER.EXE
- SETUP.EXE
- LSSAS.EXE
- GAMES.EXE
- INSTALLERS.EXE
- ANTIVIRUSCOLLECTION.EXE
- NEW FOLDER.EXE
- OWC10.EXE
- CODWAW.EXE
- MY DOCUMENTS.EXE
- DOCUMENTS AND SETTINGS.EXE
- NBA LIVE 08.EXE
- MARIFE OBLIGANA.EXE
- PFILES.EXE
- OUTPUT.EXE
- MYPROJECTS.EXE
- FAN_MAP.EXE
- STAGE.EXE
- ANIM.EXE
- PARTICLE.EXE
- SERVERR.EXE
- C.EXE
- UI.EXE
- DW.EXE
- AI.EXE
- MJ.EXE
- MP3.EXE
- 81803032.EXE
- 53908305.EXE
- 86066981.DAT
- 42169888.DAT
Filesizes
The following file size has been seen:
- 382,083 bytes
- 286,720 bytes
- 393,728 bytes
- 475,136 bytes
- 624,052 bytes
- 409,175 bytes
- 440,832 bytes
- 1,220,608 bytes
File Type
The filename LSSASS.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name LSSASS.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\WINDOWS\system32\lssass.exe\
- Copies filec:\8242813.exe to c:\windows\system32\lssass.exe\lssass.exe
- Deletes c:\8242813.ex
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