File Investigation Report
BPU.EXECloaked Malware
Your PC may be infected. The presence of a file called BPU.EXE is a possible sign of infection.
You should urgently check your PC to make sure it is not infected. The free version of Prevx CSI will scan your PC in less than two minutes and check for millions of spyware and malware infections including BPU.EXE. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Cloaked Malware
File Behavior
BPU.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This Process Creates Other Processes On Disk
- This Process Deletes Other Processes From Disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Copies files
- Loads and Executes a System Driver File
BPU.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Executed from Temporary Folders
- Copied to multiple locations on the system
- This program is often downloaded from the web
- Registered as a Dynamic Link Library File
- Downloaded from covert web sites without the user knowing
- Terminated as a Process
Country Of Origin
The filename BPU.EXE was first seen on Aug 11 2008 in the following geographical regions of the Prevx community:
- The EUROPEAN UNION on Aug 11 2008
- SPAIN on Aug 13 2008
- SINGAPORE on Nov 19 2008
File Name Aliases
BPU.EXE can also use the following file names:
- CKVO.EXE
- HELP.EXE
- 33388122.SVD
- DDR.EXE
- 99846101.EXE
- 60816605.EXE
- 11925415.EXE
- 33526279.EXE
- 28979629.EXE
- 71404257.EX_
- 82849013.SVD
- 60451374.SVD
- 50628514.EXE
- 73599843.EXE
- 50756818.EXE
- 93143872.EXE
- 66724331.DAT
- 26421087.EXE
- 49037818.EXE
- DPTTQK~1.COM
- XQF.COM
- 49500464.EXE
- 35416559.EXE
- 44515451.EXE
Filesizes
The following file size has been seen:
- 90,258 bytes
- 89,600 bytes
- 155,648 bytes
- 89,407 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename BPU.EXE refers to many versions of an executable program.
File Activity
One or more files with the name BPU.EXE 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:\bpu.ex
- Copies filec:\windows\system32\ckvo.exe to c:\bpu.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\bpu.ex
- Copies filec:\windows\system32\ckvo.exe to d:\bpu.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\help1.rar
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\help1.rar
- Deletes c:\docume~1\user\locals~1\temp\help.exe
- 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
Registry Activity
One or more files with the name BPU.EXE creates or modifies the following registry keys and values:
- 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]
Website Activity
One or more files with the name BPU.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1098 Port:19
- Port 80 IP:60.169.1.92
- TCP:127.0.0.1:1101 Port:18