Prevx Research Division
OUT.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
- Cloaked Malware
- Malware Dropper
File Behavior
OUT.EXE has been seen to perform the following behavior:
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes Processes stored in Temporary Folders
- This Process Deletes Other Processes From Disk
- This process creates other processes on disk
- Executes a Process
- Injects code into other processes
- Copies files
- The Process is packed and/or encrypted using a software packing process
- Uses rootkit techniques to conceal its presence, interrogation or removal
- Can communicate with other computer systems using HTTP protocols
OUT.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Created by processes which appear to be checking for interception by security products
- Executed from Temporary Folders
- Added as a Registry auto start to load Program on Boot up
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Terminated as a Process
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
Country Of Origin
The filename OUT.EXE was first seen on Jun 21 2007 in the following geographical regions of the Webroot community:
- The United States on Jun 21 2007
- Canada on Jun 21 2007
- Germany on Dec 16 2007
- on May 2 2008
- Spain on May 28 2009
- Philippines on Nov 7 2009
- Mexico on Dec 5 2009
- Thailand on Dec 5 2009
- Norway on Feb 21 2010
- Netherlands on May 19 2010
- The United Kingdom on May 19 2010
- Turkey on Dec 17 2011
File Name Aliases
OUT.EXE can also use the following file names:
- LOCKMEB.EXE.EXE
- WINLOG.EXE
- WINLOG .EXE
- AUSSIE78_WARROCK_HAX.EXE
- MSIE.EXE
- OUT[n].EXE
- OUTSTANDING.EXE
- AUTORUN.EXE
- OUTHFDDF.EXE
- OUT[1].EXE
- WTZWM.EXE
- AKSD.EXE
- EXPLORER.EXE
- GGQAHKMQB.EXE
- NWFYQALOC.EXE
- 2934582LD.EXE
Filesizes
The following file size has been seen:
- 769,789 bytes
- 172,032 bytes
- 225,280 bytes
- 24,576 bytes
- 123,293 bytes
- 294,912 bytes
- 10,609 bytes
- 319,488 bytes
File Type
The filename OUT.EXE refers to many versions of an executable program.
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