Prevx Research Division
USER.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove USER.EXE.
"Just when you thought it couldn't get any better or faster. The Webroot scanning engine is 'high octane' with a hidden nitrous oxide system. Bravo!!!" W. Lodzinski, SecureAnywhere User
Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malware Downloader
- Virus
File Behavior
USER.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Injects code into other processes
- This Process is a file infector which modifies program files to include a copy of the infection
- This process creates other processes on disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- Performs DNS look ups to resolve URL IP addresses
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Disables Access to the Windows Registry Editior
- Executes Processes stored in Temporary Folders
- This Process Deletes Other Processes From Disk
- Executes a Process
- Can communicate with other computer systems using HTTP protocols
- Registers a Dynamic Link Library File
- Copies files
- Creates or uses a background service to access the Internet using HTTP protocols
USER.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Registered as a Dynamic Link Library File
- Deleted as a process from disk
- Created as a process on disk
- Executed as a Process
- Created by processes which appear to be checking for interception by security products
- Copied to multiple locations on the system
- Executed from Temporary Folders
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
Country Of Origin
The filename USER.EXE was first seen on May 3 2007 in the following geographical regions of the Webroot community:
- The United States on May 3 2007
- Europe on May 3 2007
- Spain on Aug 31 2007
- Romania on Apr 17 2010
- The United Kingdom on Apr 17 2010
File Name Aliases
USER.EXE can also use the following file names:
- CSRSS.EXE
- WINLOGON.EXE
- DEBUG.EXE
- SERVICES.EXE
- WIN32.EXE
- WINAMP.EXE
- AVP.EXE
- SYSEDIT.EXE
- TASKMGR.EXE
- INSTALL.EXE
- LOGIN.EXE
- SVCHOST.EXE
- SMSS.EXE
- WIN.EXE
- GDI32.EXE
- WIN16.EXE
- DRWEB.EXE
- WININST.EXE
- LSASS.EXE
- SYSTEM.EXE
- SPOOLSV.EXE
- IEXPLARER.EXE
- SETUP.EXE
- HEXDUMP.EXE
- MDM.EXE
- DEBUG .EXE
- WIN16 .EXE
- DEBUG .EXE
- SPOOLSV .EXE
- LOGIN .EXE
- NVSVC32.EXE
- AVP32.EXE
- SMSS .EXE
- TASKMGR .EXE
- WIN .EXE
- TASKMGR .EXE
- SERVICES .EXE
- DEBUG .EXE
- SYSTEM .EXE
- SYSTEM .EXE
- LOGIN .EXE
- SMSS .EXE
- INSTALL .EXE
- MDM .EXE
- AVP32 .EXE
- GDI32 .EXE
- INSTALL .EXE
- LSASS .EXE
- MDM .EXE
- MDM .EXE
- WINLOGON .EXE
- CMD.EXE
- SYSEDIT .EXE
- TMP74.TMP
- OLD77.TMP
- NOTEPAD.EXE
- SERVICES (1).EXE
- SMSS (1).EXE
- USER (1).EXE
- MINI DESKTOP RACING (RACING) (CRACK).EXE
- (KEY GEN) PRETTY GOOD PRIVACY (ALL VERSIONS).EXE
- MINI
Filesizes
The following file size has been seen:
- 21,716 bytes
- 47,872 bytes
- 60,004 bytes
- 21,428 bytes
- 29,696 bytes
- 220,728 bytes
- 1,275,392 bytes
- 766,229 bytes
File Type
The filename USER.EXE is used by multiple object types including executable programs,objects,objects.
Help the Webroot Community to fight cyber crime
We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.
PCMag.com Editors' Choice Award Logo is a trademark of Ziff Davis Publishing Holdings Inc. Used under license.