Prevx Research Division
LSASRV.EXE
System Back DoorFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- System Back Door
- Worm
File Behavior
LSASRV.EXE has been seen to perform the following behavior:
- Can communicate with other computers using TCP protocols
- The Process is packed and/or encrypted using a software packing process
- This Process Deletes Other Processes From Disk
- This process creates other processes on disk
- Executes a Process
- Registers a Dynamic Link Library File
- Can communicate with other computer systems using HTTP protocols
- Can Send email using SMTP protocols
- Communicates with other computers using FTP connections
- This Process sends MIME Email
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Modifies System Runtime Policies to limit system usability
LSASRV.EXE has been the subject of the following behavior:
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
Country Of Origin
The filename LSASRV.EXE was first seen on Jun 20 2007 in the following geographical regions of the Webroot community:
- The United States on Jun 20 2007
- Spain on Dec 14 2007
- Canada on Dec 14 2007
- The United Kingdom on Jan 13 2009
- Turkey on Nov 15 2012
File Name Aliases
LSASRV.EXE can also use the following file names:
- MURKROW.EXE
- BACKDOOR.WIN32.SERVU-BASED.AZ
- 07508504.AZ
- 78518857.TXT
- 16193115.EXE
Filesizes
The following file size has been seen:
- 843,264 bytes
- 87,552 bytes
- 741,376 bytes
- 219,648 bytes
- 873,984 bytes
File Type
The filename LSASRV.EXE refers to many versions of an executable program.
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