File Investigation Report
XK2N.BAT
Cloaked MalwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
XK2N.BAT has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Creates a new Background Service on the machine
- Loads and Executes a System Driver File
- This Process Deletes Other Processes From Disk
- This process creates other processes on disk
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Found on infected systems and resists interrogation by security products
- 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)
- Can communicate with other computer systems using HTTP protocols
- 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
XK2N.BAT has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Copied to multiple locations on the system
- Added as a Registry auto start to load Program on Boot up
Country Of Origin
The filename XK2N.BAT was first seen on Sep 18 2008 in the following geographical regions of the Prevx community:
- SAUDI ARABIA on Sep 18 2008
- VIET NAM on Sep 18 2008
- SINGAPORE on Sep 19 2008
- The EUROPEAN UNION on Sep 21 2008
- SPAIN on Sep 21 2008
File Name Aliases
XK2N.BAT can also use the following file names:
- CKVO.EXE
- HELP.EXE
- U9DYI.EXE
- \\
Filesizes
The following file size has been seen:
- 100,018 bytes
- 99,694 bytes
- 192,281 bytes
- 170,496 bytes
- 120,320 bytes
- 120,832 bytes
File Type
The filename XK2N.BAT refers to many versions of an executable program.
File Activity
One or more files with the name XK2N.BAT creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\ckvo.exe
- Deletes c:\windows\system32\ckvo0.dll
- Creates c:\windows\system32\ckvo0.dll
- Deletes c:\xk2n.ba
- Copies filec:\windows\system32\ckvo.exe to c:\xk2n.ba
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\xk2n.ba
- Copies filec:\windows\system32\ckvo.exe to d:\xk2n.ba
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Opens/modifes c:\autoexec.bat
Website Activity
One or more files with the name XK2N.BAT interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- gthju .com / xmfx / help1 .ra
- TCP:127.0.0.1:1085 Port:19
- Port 80 IP:221.1.222.109
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