File Investigation Report
J3EWRO.EXECloaked Malware
Your PC is infected. The file called J3EWRO.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 J3EWRO.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 group:
- Cloaked Malware
File Behavior
J3EWRO.EXE 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
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This Process Creates Other Processes On Disk
- Loads and Executes a System Driver File
- 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
J3EWRO.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- 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
- Executed from Temporary Folders
- Copied to multiple locations on the system
- This program is often downloaded from the web
- Created as a new Background Service on the machine
- Loaded and Executed as a System Driver File
Country Of Origin
The filename J3EWRO.EXE was first seen on Jul 28 2008 in the following geographical regions of the Prevx community:
- SPAIN on Jul 28 2008
- HONG KONG on Jul 28 2008
- TAIWAN on Aug 9 2008
- The UNITED KINGDOM on Aug 29 2008
- The EUROPEAN UNION on Oct 3 2008
File Name Aliases
J3EWRO.EXE can also use the following file names:
- FF.EXE
- XPQ63XL.EXE
- NW0T1L0D.EXE
- 80744476.SVD
- Q0RPPR.EXE
- 23012675.EXE
- 37269721.EXE
- CJRP8.COM
- 73495806.COM
- 36058572.TXT
- FILPP.SYS
- 25351669.SVD
- Q1PADY.CMD
Filesizes
The following file size has been seen:
- 109,401 bytes
- 102,955 bytes
- 108,508 bytes
- 104,253 bytes
- 8,368 bytes
- 108,136 bytes
Vendor, Product and Version Information
Files with the name J3EWRO.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- Filseclab Corporation; Filseclab Process Protection; 1, 0, 0, 277
File Type
The filename J3EWRO.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name J3EWRO.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\j3ewro.exe
- Deletes c:\windows\system32\jwedsfdo0.dll
- Creates c:\windows\system32\jwedsfdo0.dll
- Deletes c:\xpq63xl.ex
- Copies filec:\windows\system32\j3ewro.exe to c:\xpq63xl.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\xpq63xl.ex
- Copies filec:\windows\system32\j3ewro.exe to d:\xpq63xl.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\cc1.rar
- Deletes c:\docume~1\user\locals~1\temp\cc.ex
- Deletes c:\docume~1\user\locals~1\temp\ff1.rar
- Deletes c:\docume~1\user\locals~1\temp\ff.ex
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\cc1.rar
- Deletes c:\docume~1\user\locals~1\temp\cc.exe
- Creates c:\docume~1\user\locals~1\temp\cc.exe
- Deletes c:\windows\system32\kxvo.exe
- Copies filec:\docume~1\user\locals~1\temp\cc.exe to c:\windows\system32\kxvo.exe
- Deletes c:\windows\system32\kxvo0.dll
- Creates c:\windows\system32\kxvo0.dll
- Creates c:\docume~1\user\locals~1\temp\ff1.rar
- Deletes c:\docume~1\user\locals~1\temp\ff.exe
- Creates c:\docume~1\user\locals~1\temp\ff.exe
- Copies filec:\docume~1\user\locals~1\temp\ff.exe to c:\windows\system32\j3ewro.exe
- Deletes c:\windows\system32\jwedsfdo1.dll
- Creates c:\windows\system32\jwedsfdo1.dll
Registry Activity
One or more files with the name J3EWRO.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run jvsoft C:\WINDOWS\system32\j3ewro.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]
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run tasoft C:\WINDOWS\system32\kxvo.exe
Website Activity
One or more files with the name J3EWRO.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1087 Port:18
- Port 80 IP:61.162.230.87
- TCP:127.0.0.1:1090 Port:18
- TCP:127.0.0.1:1095 Port:18
- TCP:127.0.0.1:1097 Port:18