File Investigation Report
XLU8A8SY.EXE
Malicious SoftwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The filename is associated with the malware groups:
- Malicious Software
- Cloaked Malware
File Behavior
XLU8A8SY.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- The Process is polymorphic and can change its structure
- This Process Deletes Other Processes From Disk
- Creates a new Background Service on the machine
- Loads and Executes a System Driver File
- Copies files
- Registers a Dynamic Link Library File
- Executes a Process
- 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
- Visits web sites on your PC without you knowing
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Writes to another Process's Virtual Memory (Process Hijacking)
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
XLU8A8SY.EXE has been the subject of the following behavior:
- Registered as a Dynamic Link Library File
- Executed as a Process
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Deleted as a process from disk
- Has code inserted into its Virtual Memory space by other programs
- Copied to multiple locations on the system
Country Of Origin
The filename XLU8A8SY.EXE was first seen on May 4 2008 in the following geographical regions of the Prevx community:
- GREECE on May 4 2008
- MOROCCO on May 4 2008
- POLAND on May 5 2008
- SOUTH AFRICA on May 5 2008
- FRANCE on May 6 2008
- MALDIVES on May 6 2008
- The UNITED KINGDOM on May 6 2008
- VENEZUELA on Aug 14 2008
- SPAIN on Apr 21 2009
File Name Aliases
XLU8A8SY.EXE can also use the following file names:
- 63547669.SVD
- XMG.EXE
- JFVKCSY.BAT
- AMVO.EXE
- 12835548.SVD
- 19686228.EXE
- 07215653.EXE
- QWULTJ1.BAT
- R6R.EXE
Filesizes
The following file size has been seen:
- 104,213 bytes
- 103,832 bytes
- 124,416 bytes
- 125,952 bytes
- 105,379 bytes
File Type
The filename XLU8A8SY.EXE refers to many versions of an executable program.
File Activity
One or more files with the name XLU8A8SY.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\91c9_appcompat.txt
- Creates c:\docume~1\user\locals~1\temp\1A330.dmp
- Opens/modifes c:\autoexec.bat
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