File Investigation Report
T1YPKH.EXECloaked Malware
Your PC is infected. The file called T1YPKH.EXE is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including T1YPKH.EXE as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Worm
File Behavior
T1YPKH.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 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)
- Creates a new Background Service on the machine
- Loads and Executes a System Driver File
- This Process Deletes Other Processes From Disk
- Can communicate with other computer systems using HTTP protocols
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Copies files
- 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
- Adds a Registry Key (RUN) to auto start Programs on system start up
T1YPKH.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- 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
Country Of Origin
The filename T1YPKH.EXE was first seen on Aug 14 2008 in the following geographical regions of the Prevx community:
- The EUROPEAN UNION on Aug 14 2008
- SINGAPORE on Aug 17 2008
- The UNITED KINGDOM on Aug 17 2008
- TURKEY on Nov 16 2008
File Name Aliases
T1YPKH.EXE can also use the following file names:
- CKVO.EXE
Filesizes
The following file size has been seen:
- 112,128 bytes
- 267,222 bytes
- 193,811 bytes
- 147,456 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename T1YPKH.EXE refers to many versions of an executable program.
File Activity
One or more files with the name T1YPKH.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\vcmgcd32.dl_
- Creates c:\KUKU300a
- Deletes c:\KUKU300a
- Creates c:\windows\system32\drivers\klif.sys
- Opens/modifes c:\autoexec.bat
- 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:\t1ypkh.ex
- Copies filec:\windows\system32\ckvo.exe to c:\t1ypkh.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\t1ypkh.ex
- Copies filec:\windows\system32\ckvo.exe to d:\t1ypkh.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\help1.rar
- Deletes c:\docume~1\user\locals~1\temp\help.exe
- Deletes c:\c9hehpa.ba
- Copies filec:\windows\system32\ckvo.exe to c:\c9hehpa.ba
- Deletes d:\c9hehpa.ba
- Copies filec:\windows\system32\ckvo.exe to d:\c9hehpa.ba
- Creates c:\docume~1\user\locals~1\temp\help.exe
- Copies filec:\docume~1\user\locals~1\temp\help.exe to c:\windows\system32\ckvo.exe
- Deletes c:\windows\system32\ckvo1.dll
- Creates c:\windows\system32\ckvo1.dll
Registry Activity
One or more files with the name T1YPKH.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings GlobalUserOffline value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run kamsoft C:\WINDOWS\system32\ckvo.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced Hidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced ShowSuperHidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer NoDriveTypeAutoRun [REG_DWORD, value: 00000091]
Network Activity
One or more files with the name T1YPKH.EXE performs the following network events:
- DNS Lookup65.55.21.250 www.microsoft.com
Website Activity
One or more files with the name T1YPKH.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- www .kukutrustnet7 .info / ?id115765oyjg16029&rnd=116046
- Port 80 IP:208.73.210.32
- TCP:127.0.0.1:1103 Port:18
- Port 80 IP:60.169.1.92
- TCP:127.0.0.1:1105 Port:18